Tag Archives: gearbox speed

China Standard CZPT High Precision RV Cycloidal Industrial Robotics Arm Joint Speed Gearbox Reducer for Servo Moto cycloidal gearbox backlash

Product Description

Details Photos:

1.It is equipped with an angular contact ball bearing, so it can support the external load with the rigid moment and large allowable moment
2.Easy assemble, small vibration
3.It can reduce the motor straight junction (input gear) and inertia
4.Large torsional rigidity
5.Strong impact resistance (500% of rated torque)
6.The crankshaft is supported by 2 columns in the reducer
7.Excellent starting efficiency & Small wear and long service life
8.Small backlash (1arc. Min.) & Use rolling bearing
9.Strong impact resistance (500% of rated torque)
10.The number of simultaneous engagements between RV gear and needle teeth is large

Advantages:
1. High precision, high torque
2. Dedicated technical personnel can be on the go to provide design solutions
3. Factory direct sales fine workmanship durable quality assurance
4. Product quality issues have a one-year warranty time, can be returned for replacement or repair

Company profile:

HangZhou CZPT Technology Co., Ltd. was established in 2014. Based on long-term accumulated experience in mechanical design and manufacturing, various types of harmonic reducers have been developed according to the different needs of customers. The company is in a stage of rapid development. , Equipment and personnel are constantly expanding. Now we have a group of experienced technical and managerial personnel, with advanced equipment, complete testing methods, and product manufacturing and design capabilities. Product design and production can be carried out according to customer needs, and a variety of high-precision transmission components such as harmonic reducers and RV reducers have been formed; the products have been sold in domestic and global(Such as USA, Germany, Turkey, India) and have been used in industrial robots, machine tools, medical equipment, laser processing, cutting, and dispensing, Brush making, LED equipment manufacturing, precision electronic equipment, and other industries have established a good reputation.
In the future, Hongwing will adhere to the purpose of gathering talents, keeping close to the market, and technological innovation, carry CZPT the value pursuit in the field of harmonic drive&RV reducers, seek the common development of the company and the society, and quietly build itself into a CZPT brand with independent intellectual property rights. Quality supplier in the field of precision transmission”.

Strength factory:

Our plant has an entire campus The number of workshops is around 300 Whether it’s from the production of raw materials and the procurement of raw materials to the inspection of finished products, we’re doing it ourselves. There is a complete production system

HST-I Parameter:

Rated Table
Output rotational speed (rpm)				5		10	15	20	25	30	40	50	60
Model	Speed ratio code	Transmission Ratio(R)		Output Torque (Nm) / Enter the capacity (kW
		Rotation of axes	Housing rotation
RV-6E	31	31	30	101 / 0.07		81 / 0.11	72 / 0.15	66 / 0.19	62 / 0.22	58 / 0.25	54 / 0.30	50 / 0.35	47 / 0.40
	43	43	42
	53.5	53.5	52.5
	59	59	58
	79	79	78
	103	103	102
RV-20E	57	57	56	231 / 0.16		188 / 0.26	167 / 0.35	153 / 0.43	143 / 0.50	135 / 0.57	124 / 0.70	115 / 0.81	110 / 0.92
	81	81	80
	105	105	104
	121	121	120
	141	141	140
	161	161	160
RV-40E	57	57	56	572 / 0.40		465 / 0.65	412 / 0.86	377 / 1.05	353 / 1.23	334 / 1.40	307 / 1.71	287 / 2.00	271 / 2.27
	81	81	80
	105	105	104
	121	121	120
	153	153	152
RV-80E	57	57	56	1,088 / 0.76		885 / 1.24	784 / 1.64	719 / 2.01	672 / 2.35	637 / 2.67	584 / 3.26	546 / 3.81	517 / 4.33
	81	81	80
	101	101	100
	121	121	120
	153	1(153)	1(152)
RV-110E	81	81	80	1,499 / 1.05		1,215 / 1.70	1,078 / 2.26	990 / 2.76	925 / 3.23	875 / 3.67	804 / 4.49
	111	111	110
	161	161	160
	175	1227/7	1220/7
RV-160E	81	81	80	2,176 / 1.52		1,774 / 2.48	1,568 / 3.28	1,441 / 4.02	1,343 / 4.69	1,274 / 5.34
	101	101	100
	129	129	128
	145	145	144
	171	171	170
RV-320E	81	81	80	4,361 / 3.04		3,538 / 4.94	3,136 / 6.57	2,881 / 8.05	2,695 / 9.41	2,548 / 10.7
	101	101	100
	118.5	118.5	117.5
	129	129	128
	141	141	140
	171	171	170
	185	185	184
RV-450E	81	81	80	6,135 / 4.28		4,978 / 6.95	4,410 / 9.24	4,047 / 11.3	3,783 / 13.2
	101	101	100
	118.5	118.5	117.5
	129	129	128
	154.8	2013/13	2000/13
	171	171	170
	192	1347/7	1340/7
Note: 1. The allowable output speed is affected by duty cycle, load, and ambient temperature. When the allowable output speed is above NS1, please consult our company about the precautions. 2. Calculate the input capacity (kW) by the following formula.
Input capacity (kW) =(2πNT)/(60η/100101010)					N: output speed (RPM) T: output torque (nm) η = 75: reducer efficiency (%)
The input capacity is the reference value. 3. When using the reducer at a low temperature, the no-load running torque will increase, so please pay attention when selecting the motor. (refer to p.93 low-temperature characteristics)

T0 Rated torque(Remark .7)	N0 Rated output speed	K Rated life	TS1 Allowable starting and stopping torque	TS2 Instantaneous maximum allowable torque	NS0 Allowable maximum output speed (Remark .1)	Backlash	Empty distance MAX.	Angle transmission error MAX.	A representative value of starting efficiency	MO1 Allowable moment (Remark .4)	MO2 Instantaneous maximum allowable moment	Wr Allowable radial load (Remark .10)	I Converted value of inertia moment input shaft (Remark .5)	Weight
(Nm)	(rpm)	(h)	(Nm)	(Nm)	(r/min)	(arc.sec.)	(arc.min.)	(arc.sec.)	(%)	(Nm)	(Nm)	(N)	(kgm2)	(kg)
58	30	6,000	117	294	100	1.5	1.5	80	70	196	392	2,140	2.63×10-6	2.5
													2.00×10-6
													1.53×10-6
													1.39×10-6
													1.09×10-6
													0.74×10-6
167	15	6,000	412	833	75	1.0	1.0	70	75	882	1,764	7,785	9.66×10-6	4.7
													6.07×10-6
													4.32×10-6
													3.56×10-6
													2.88×10-6
													2.39×10-6
412	15	6,000	1,571	2,058	70	1.0	1.0	60	85	1,666	3,332	11,594	3.25×10-5	9.3
													2.20×10-5
													1.63×10-5
													1.37×10-5
													1.01×10-5
784	15	6,000	1,960	Bolt tightening 3920	70	1.0	1.0	50	85	Bolt fastening 2156	Bolt tightening	Bolt tightening 12988	8.16×10-5	Bolt tightening 13.1
													6.00×10-5
													4.82×10-5
				Pin combination 3185						Pin combination 1735	Pin combination 2156	Pin combination 1571		Pin combination 12.7
													3.96×10-5
													2.98×10-5
1,078	15	6,000	2,695	5,390	50	1.0	1.0	50	85	2,940	5,880	16,648	9.88×10-5	17.4
													6.96×10-5
													4.36×10-5
													3.89×10-5
1,568	15	6,000	3,920	Bolt tightening 7840	45	1.0	1.0	50	85	3,920	Bolt tightening 7840	18,587	1.77×10-4	26.4
													1.40×10-4
													1.06×10-4
				Pin and use 6615							Pin and use 6762
													0.87×10-4
													0.74×10-4
3,136	15	6,000	7,840	Bolt tightening 15680	35	1.0	1.0	50	80	Bolt tightening 7056	Bolt tightening 14112	Bolt tightening 28067	4.83×10-4	44.3
													3.79×10-4
													3.15×10-4
													2.84×10-4
				Pin combination 12250						Pin combination 6174	Pin and use 1571	Pin combination 24558
													2.54×10-4
													1.97×10-4
													1.77×10-4
4,410	15	6,000	11,571	Bolt tightening 22050	25	1.0	1.0	50	85	8,820	Bolt tightening 17640	30,133	8.75×10-4	66.4
													6.91×10-4
													5.75×10-4
													5.20×10-4
				Pin and use 18620							Pin and use 13524
													4.12×10-4
													3.61×10-4
													3.07×10-4
4. The allowable torque will vary according to the thrust load. Please confirm by the allowable moment line diagram (p.91). 5. The value of inertia moment is the value of the reducer body. The moment of inertia of the input gear is not included. 6. For moment stiffness and torsion stiffness, please refer to the calculation of inclination angle and torsion angle (p.99). 7. Rated torque refers to the torque value reflecting the rated life at rated output speed, not the data showing the upper limit of load. Please refer to the glossary (p.81) and product selection flow chart (p.82). 8. If you want to buy products other than the above speed ratio, please consult our company. 9. The above specifications are obtained according to the company’s evaluation method. Please confirm that the product meets the use conditions of carrying real aircraft before use. 10. When a radial load is applied to dimension B, please use it within the allowable radial load range. 11. 1 RV-80e r = 153 is only output shaft bolt fastening type( P.20,21)

APPLICATIONS:

FQA:
Q: What should I provide when I choose a gearbox/speed reducer?
A: The best way is to provide the motor drawing with parameters. Our engineer will check and recommend the most suitable gearbox model for your reference.
Or you can also provide the below specification as well:
1) Type, model, and torque.
2) Ratio or output speed
3) Working condition and connection method
4) Quality and installed machine name
5) Input mode and input speed
6) Motor brand model or flange and motor shaft size

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Coaxial
Gear Shape:	Cylindrical Gear
Step:	Single-Step

Samples:	US$ 600/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

helical gearbox

A Mathematical Model of a Cycloid Gearbox

Having a gearbox with a cycloidal rotor is an ideal design for a car or any other vehicle, as the cycloidal design can reduce the amplitude of vibration, which is a key component in car performance. Using a cycloidal gearbox is also a great way to reduce the amount of friction between the gears in the gearbox, which can help to reduce noise and wear and tear. A cycloidal gearbox is also a very efficient design for a vehicle that needs to perform under high loads, as the gearbox can be very robust against shock loads.

Basic design principles

cycloidal gearboxes are used for precision gearing applications. Cycloidal drives are compact and robust and offer lower backlash, torsional stiffness and a longer service life. They are also suitable for applications involving heavy loads.
Cycloidal drives are compact in size and provide very high reduction ratios. They are also very robust and can handle shock loads. Cycloidal drives are ideally suited to a wide range of drive technologies. Cycloidal gears have excellent torsional stiffness and can provide a transmission ratio of 300:1. They can also be used in applications where stacking multiple gear stages is not desired.
In order to achieve a high reduction ratio, cycloidal gears must be manufactured extremely accurately. Cycloidal gears have a curved tooth profile that removes shear forces at any point of contact. This provides a positive fit for the gear disc. This profile can be provided on a separate outer bushing or as an internal gear profile insert.
Cycloidal drives are used in marine propulsion systems, where the load plate rotates around the X and Y axis. The plate is anchored by a threaded screw hole arranged 15mm away from the center.
A secondary carrier body is used in a cycloidal gearbox to support the load plate. The secondary carrier body is composed of a mounting carrier body and a secondary carrier disc.

Low friction

Several studies have been conducted to understand the static problems of gears. In this paper, we discuss a mathematical model of a low friction cycloidal gearbox. This model is designed to calculate various parameters that affect the performance of the gearbox during production.
The model is based on a new approach that includes the stiction effect and the nonlinear friction characteristic. These parameters are not covered by the conventional rule of thumb.
The stiction effect is present when the speed direction is changed. During this time, the input torque is required to prevail over the stiction effect to generate movement. The model also enables us to calculate the magnitude of the stiction effect and its breakaway speed.
The most important thing is that the model can be used to improve the dynamic behavior of a controlled system. In this regard, the model has a high degree of accuracy. The model is tested in several quadrants of the gearbox to find the optimum stiction breakaway speed. The simulation results of the model show that this model is effective in predicting the efficiency of a low friction cycloidal gearbox.
In addition to the stiction model, we also studied the efficiency of a low friction cycloidal reducer. The reduction ratio of this gearbox was estimated from the formula. It is found that the ratio approaches negative infinity when the motor torque is close to zero Nm.

Compact

Unlike standard planetary gears, cycloidal gearboxes are compact, low friction and feature virtually zero backlash. They also offer high reduction ratios, high load capacity and high efficiency. These features make them a viable option for a variety of applications.
Cycloid disks are driven by an eccentric input shaft. They are then driven by a stationary ring gear. The ring gear rotates the cycloidal disk at a higher rate. The input shaft rotates nine times to complete a full rotation. The ring gear is designed to correct the dynamic imbalance.
CZPT cycloidal gearheads are designed for precision and stable operation. These reducers are robust and can handle large translocations. They also offer high overload protection. They are suitable for shock wave therapy. CZPT gearheads are also well suited for applications with critical positioning accuracy. They also require low assembly and design costs. They are designed for long service life and low hysteresis loss.
CZPT cycloidal reducers are used in a variety of industrial applications, including CNC machining centers, robot positioners and manipulators. They offer a unique design that can handle high forces on the output axis, and are especially suitable for large translocations. These gearheads are highly efficient, reducing costs, and are available in a variety of sizes. They are ideal for applications that require millimetre accuracy.

High reduction ratios

Compared to other gearboxes, cycloidal gearboxes offer high reduction ratios and small backlash. They are also less expensive. Cycloid gearboxes can be used in a variety of industries. They are suitable for robotic applications. They also have high efficiency and load capacity.
A cycloidal gearbox works by rotating a cycloidal disc. This disc contains holes that are bigger than the pins on the output shaft. When the disc is rotated, the output pins move in the holes to generate a steady output shaft rotation. This type of gearbox does not require stacking stages.
Cycloid gearboxes are usually shorter than planetary gearboxes. Moreover, they are more robust and can transmit higher torques.
Cycloid gearboxes have an eccentric cam that drives the cycloidal disc. The cycloidal disc advances in 360deg/pivot/roller steps. It also rotates in an eccentric pattern. It meshes with the ring-gear housing. It also engages the internal teeth of the ring-gear housing.
The number of lobes on the cycloidal disc is not sufficient to generate a good transmission ratio. In fact, the number of lobes must be less than the number of pins surrounding the cycloidal disc.
The cycloidal disc is rotated by an eccentric cam that extends from the base shaft. The cam also spins inside the cycloidal disc. The eccentric motion of the cam helps the cycloidal disc rotate around the pins of the ring-gear housing. helical gearbox

Reducing amplitude of the vibration

Various approaches to reducing amplitude of the vibration in a cycloidal gearbox have been studied. These approaches are based on the kinematic analysis of gearbox.
A cycloidal gearbox is a gearbox that consists of bearings, gears, and an eccentric bearing that drives a cycloidal disc. This gearbox has a high reduction ratio, which is achieved by a series of output shaft pins that drive the output shaft as the disc rotates.
The test bench used in the studies has four sensors. Each sensor acquires signals with different signal processing techniques. In addition, there is a tachometer that acquires variations in rotational velocity at the input side.
The kinematic study of the robotic gearbox was performed to understand the frequency of vibrations and to determine whether the gearbox is faulty. It was found that the gearbox is in healthy operation when the amplitude of the x and y is low. However, when the amplitude is high, it is indicative of a malfunctioning element.
The frequency analysis of vibration signals is performed for both cyclostationary and noncyclostationary conditions. The frequencies that are selected are those that appear in both types of conditions.

Robust against shock loads

Compared to traditional gearboxes, cycloidal gearboxes have significant benefits when it comes to shock loads. These include high shock-load capacity, high efficiency, reduced cost, lower weight, lower friction, and better positioning accuracy.
Cycloid gears can be used to replace traditional planetary gears in applications where inertia is important, such as the transportation of heavy loads. They have a lighter design and can be manufactured to a more compact size, which helps reduce cost and installation expense. Cycloid gears are also able to provide transmission ratios of up to 300:1 in a small package.
Cycloid gears are also suitable for applications where a long service life is essential. Their radial clamping ring reduces inertia by up to 39%. Cycloid gears have a torsional stiffness that is five times higher than that of conventional planetary gears.
Cycloid gearboxes can provide significant improvements in concrete mixers. They are a highly efficient design, which allows for important innovations. They are also ideal for servo applications, machine tools, and medical technology. They feature user-friendly screw connections, effective corrosion protection, and effective handling.
Cycloid gears are especially useful for applications with critical positioning accuracy. For example, in the control of large parabolic antennas, high shock load capacity is required to maintain accuracy. Cycloid gears can withstand shock loads up to 500% of their rated torque. helical gearbox

Inertial effects

Various studies have been conducted to investigate the static problems of gears. However, there is still a need for a proper model to investigate the dynamic behaviour of a controlled system. For this, a mathematical model of a cycloidal gearbox has been developed. The presented model is a simple model that can be used as the basis for a more complex mechanical model.
The mathematical model is based on the cycloidal gearbox’s mechanical construction and has a nonlinear friction characteristic. The model is able to reproduce the current peaks and breaks at standstill. It also considers the stiction effect. However, it does not cover backlash or torsional stiffness.
This model is used to calculate the torque generating current and the inertia of the motor. These values are then compared with the real system measurement. The results show that the simulation results are very close to the real system measurement.
Several parameters are considered in the model to improve its dynamic behaviour. These parameters are calculated from the harmonic drive system analysis. These are torque-generating current, inertia, and the contact forces of the rotating parts.
The model has a high level of accuracy and can be used for motor control. It is also able to reproduce the dynamic behaviour of a controlled system.
China Standard CZPT High Precision RV Cycloidal Industrial Robotics Arm Joint Speed Gearbox Reducer for Servo Moto cycloidal gearbox backlash
editor by CX 2023-10-26

China Good quality Offer Nmrv040 Nrv040 Worm Speed Reducers on Made in China dual cycloidal gearbox

Product Description

Brief introduction to RV series worm gear speed reducer
SMRV series worm-gear speed reducer is a new-generation of products developed by our company with combination of advanced technology
both at home and abroad. lt features in:
1.Auminium alloy die-cast casing for RV571, NMRV030,NMRV040,NMRV050,NMRV063,NMRV075,NMRV090, light weight and non-rusting;
cast iron casing for NMRV110,NMRV130,NMRV150
2. Large output torque.
3. Stable transmission with lower noise.
4. High heat-radiating efficiency.
5. Elegant shape, small volume and durable serving life.
6. Suitable for omnibearing installation.
Technical performance and selection reference

Motor Power	Model	Speed Ratio	n2(r/min)	M2n(NM)
0.06kw	NMRV040	~	~rpm	~N.M
0.09kw	NMRV040	~	~rpm	~N.M
0.12kw	NMRV040	~	~rpm	~N.M
0.18kw	NMRV040	~	~rpm	~N.M
0.25kw	NMRV040	~	~rpm	~N.M
0.37kw	NMRV040	~	~rpm	~N.M

Note recommendations
To install the reduction unit it is necessary tonote the following recommendations:
1. Check the correct direction of rotation of thereduction unit output shaft before fitting the unit tothe machine.
2. Before mount with the prime moveanddevice,please check the reducers every axiadiameter, aperture,key and key slot,
to be theirdimensions are not deviation, and avoidassembaurtoo tight or too loose, unless it wilinfluence the reducer’s performance.
3. The mounting on the machine must be stableto avoid anv vibration.
4.Whenever possible,protect the reductiorunit against solar radiation and bad weather.
5.In the case of particularly lengthy periods ofstorage (4-6 months), if the oil seal is not immersedin the lubricant inside the unit.
It is recommended tochange it since the rubber could stick to the shaft ormay even have lost the elasticity it needs to functionproperly.
6.Painting must definitely not go over rubberparts and the holes on the breather plugs, if any.
7.When connect with hollow or CZPT shaftplease grease the joint to avoid lock or oxidation.
8.Check the correct level of the lubricantthrough the indicator, if there is one.
9. Starting must take place gradually, withoutimmediately applying the maximum load
10. Supporting unit is required when usingvarious of reducer matched with motor directiy andthe wsight of motor is a little bigger than common.
11 .Ensure the motor cools correctly byassuring good passage of air from the fan side.
12. In the case of ambient temperatures+40°C call the Technical Service.

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Cycloidal

Samples:	US$ 26.3/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

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Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

Return&refunds:	You can apply for a refund up to 30 days after receipt of the products.

helical gearbox

The Cyclonoidal Gearbox

Basically, the cycloidal gearbox is a gearbox that uses a cycloidal motion to perform its rotational movement. It is a very simple and efficient design that can be used in a variety of applications. A cycloidal gearbox is often used in applications that require the movement of heavy loads. It has several advantages over the planetary gearbox, including its ability to be able to handle higher loads and higher speeds.

Dynamic and inertial effects of a cycloidal gearbox

Several studies have been conducted on the dynamic and inertial effects of a cycloidal gearbox. Some of them focus on operating principles, while others focus on the mathematical model of the gearbox. This paper examines the mathematical model of a cycloidal gearbox, and compares its performance with the real-world measurements. It is important to have a proper mathematical model to design and control a cycloidal gearbox. A cycloidal gearbox is a two-stage gearbox with a cycloid disc and a ring gear that revolves around its own axis.
The mathematical model is made up of more than 1.6 million elements. Each gear pair is represented by a reduced model with 500 eigenmodes. The eigenfrequency for the spur gear is 70 kHz. The modally reduced model is a good fit for the cycloidal gearbox.
The mathematical model is validated using ABAQUS software. A cycloid disc was discretized to produce a very fine model. It requires 400 element points per tooth. It was also verified using static FEA. This model was then used to model the stiction of the gears in all quadrants. This is a new approach to modelling stiction in a cycloidal gearbox. It has been shown to produce results comparable to those of the EMBS model. The results are also matched by the elastic multibody simulation model. This is a good fit for the contact forces and magnitude of the cycloid gear disc. It was also found that the transmission accuracy between the cycloid gear disc and the ring gear is about 98.5%. However, this value is lower than the transmission accuracy of the ring gear pair. The transmission error of the corrected model is about 0.3%. The transmission accuracy is less because of the lower amount of elastic deformation on the tooth flanks.
It is important to note that the most accurate contact forces for each tooth of a cycloid gearbox are not smooth. The contact force on a single tooth starts with a linear rise and then ends with a sharp drop. It is not as smooth as the contact force on a point contact, which is why it has been compared to the contact force on an ellipse contact. However, the contact on an ellipse contact is still relatively small, and the EMBS model is not able to capture this.
The FE model for the cycloid disc is about 1.6 million elements. The most important part of the FE model is the discretization of the cycloid disc. It is very important to do the discretization of the cycloid gear disc very carefully because of the high degree of vibration that it experiences. The cycloid disc has to be discretized finely so that the results are comparable to those of a static FEA. It has to be the most accurate model possible in order to be able to accurately simulate the contact forces between the cycloid disc and the ring gear. helical gearbox

Kinematics of a cycloidal drive

Using an arbitrary coordinate system, we can observe the motion of components in a cycloidal gearbox. We observe that the cycloidal disc rotates around fixed pins in a circle, while the follower shaft rotates around the eccentric cam. In addition, we see that the input shaft is mounted eccentrically to the rolling-element bearing.
We also observe that the cycloidal disc rotates independently around the eccentric bearing, while the follower shaft rotates around an axis of symmetry. We can conclude that the cycloidal disc plays a pivotal role in the kinematics of a cycloidal gearbox.
To calculate the efficiency of the cycloidal reducer, we use a model that is based on the non-linear stiffness of the contacts. In this model, the non-linearity of the contact is governed by the non-linearity of the force and the deformation in the contact. We have shown that the efficiency of the cycloidal reducer increases as the load increases. In addition, the efficiency is dependent on the sliding velocity and the deformations of the normal load. These factors are considered as the key variables to determine the efficiency of the cycloidal drive.
We also consider the efficiency of the cycloidal reducer with the input torque and the input speed. We can calculate the efficiency by dividing the net torque in the ring gear by the output torque. The efficiency can be adjusted to suit different operating conditions. The efficiency of the cycloidal drive is increased as the load increases.
The cycloidal gearbox is a multi-stage gearbox with a small shaft oin and a big shaft. It has 19 teeth and brass washers. The outer discs move in opposition to the middle disc, and are offset by 180 deg. The middle disc is twice as massive as the outer disc. The cycloidal disc has nine lobes that move by one lobe per drive shaft revolution. The number of pins in the disc should be smaller than the number of pins in the surrounding pins.
The input shaft drives an eccentric bearing that is able to transmit the power to the output shaft. In addition, the input shaft applies forces to the cycloidal disk through the intermediate bearing. The cycloidal disk then advances in 360 deg/pivot/roller steps. The output shaft pins then move around in the holes to make the output shaft rotate continuously. The input shaft applies a sinusoidal motion to maintain the constant speed of the base shaft. This sine wave causes small adjustments to the follower shaft. The forces applied to the internal sleeves are a part of the equilibrium mechanism.
In addition, we can observe that the cycloidal drive is capable of transmitting a greater torque than the planetary gear. This is due to the cycloidal gear’s larger axial length and the ring gear’s smaller hole diameter. It is also possible to achieve a positive fit between the fixed ring and the disc, which is achieved by toothing between the fixed ring and the disc. The cycloidal disk is usually designed with a short cycloid to minimize unbalance forces at high speeds. helical gearbox

Comparison with planetary gearboxes

Compared to planetary gearboxes, the cycloidal gearbox has some advantages. These advantages include: low backlash, better overload capacity, a compact design, and the ability to perform in a wide range of applications. The cycloidal gearbox has become popular in the multi-axis robotics market. The gearbox is also increasingly used in first joints and positioners.
A cycloidal gearbox is a gearbox that consists of four basic components: a cycloid disk, an output flange, a ring gear, and a fixed ring. The cycloid disk is driven by an eccentric shaft, which advances in a 360deg/pivot/roller step. The output flange is a fixed pin disc that transmits the power to the output shaft. The ring gear is a fixed ring, and the input shaft is connected to a servomotor.
The cycloidal gearbox is designed to control inertia in highly dynamic situations. These gearboxes are generally used in robotics and positioners, where they are used to position heavy loads. They are also commonly used in a wide range of industrial applications. They have higher torque density and a low backlash, making them ideal for heavy loads.
The output flange is also designed to handle a torque of up to 500 Nm. Its rotational speed is lower than the planet gearbox, but its output torque is much higher. It is designed to be a high-performance gearbox, and it can be used in applications that need high ratios and a high level of torque density. The cycloid gearbox is also less expensive and has less backlash. However, the cycloidal gearbox has disadvantages that should be considered when designing a gearbox. The main problem is vibrations.
Compared to planetary gearboxes, cycloidal gearboxes have a smaller overall size and are less expensive. In addition, the cycloid gearbox has a large reduction ratio in one stage. In general, cycloidal gearboxes have single or two stages, with the third stage being less common. However, the cycloid gearbox is not the only type of gearbox that has this type of configuration. It is also common to find a planetary gearbox with a single stage.
There are several different types of cycloidal gearboxes, and they are often referred to as cycloidal speed reducers. These gearboxes are designed for any industry that uses servos. They are shorter than planetary gearboxes, and they are larger in diameter for the same torque. Some of them are also available with a ratio lower than 30:1.
The cycloid gearbox can be a good choice for applications where there are high rotational speeds and high torque requirements. These gearboxes are also more compact than planetary gearboxes, and are suitable for high-torque applications. In addition, they are more robust and can handle shock loads. They also have low backlash, and a higher level of accuracy and positioning accuracy. They are also used in a wide range of applications, including industrial robotics.
China Good quality Offer Nmrv040 Nrv040 Worm Speed Reducers on Made in China dual cycloidal gearbox
editor by CX 2023-10-21

China Custom CZPT Arrow Durable in Use High Speed Gearbox for Twin Screw Extruder cycloidal drive efficiency

Product Description

Overview

Product Description

Wide Selection of Gearbox Products
The gearbox usually adopts a general design scheme, but in special cases, the design scheme of the gearbox can be changed according to the demands of the user, and it can be modified into an industry-specific gearbox. In the design scheme of the gearbox, the parallel shaft, vertical shaft, general box, and various parts can be changed

Advantages

Absorption of very high torques and axial forces
No need for separate thrust housing & bearing.
Easy alignment (screw directly fits into the vore of gear box)
Easy to assemble & dismantle.
Very heavy duty spherical roller thrust bearing is provided.
Power saving. (you may save up to 20 % power.)
Less requirement of space.
For bigger sizes water cooling is provided
No maintenance required except periodic oil level checking.
Higher productivity

Features

Twin Screw Extruder Gearboxes offer the dual shaft counter rotating. The range is available for various center distances
The gearboxes are available with co-rotating and counter rotating variants
To work under heavy loading force, the high level dissipation and oil lubrication system are provided. The axial roller type swivel thrust with the thrust bearing coupled in tandem way support the axial thrust
High torque and high speed output rate

Processing Characteristics of Screw Shaft:

1.Suitable suggestion on material to ensure components performance and extend lifetime of products.
2.Professional technical team can provide surveying and mapping support.
3.All components are finished by CNC machine.
4.Sophisticated quality management system ensure superior quality.

Basic Info.

Warranty: 1 year	Weight (KG): 500 KG
Place of Origin: HangZhou, China	Gearing Arrangement: helical
ratio: 8-20	Output Torque: 2*176
standard: JB/T8853-2001	Certificate: CE
Heat treatment: High-frequency Hardening	Efficiency: 94%~98%(depends on the transmission stage)
Customized support:OEM ODM	Input/output shaft material 40Cr
Package: Wooden case	Mount position: Flange, hollow shaft, CZPT shaft
After-sale:Online 24/7 Installation Xihu (West Lake) Dis.	advantage: excellent quality
Reduction radio: 3:1	Mount Position: Horizontal Foot Mounted Vertical
Input Speed: 1500	Output Speed: 500

Packaging & delivery

Packing: wooden case packing
Port: HangZhou Port

Applications
X helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are used mainly in the manufacture of granulates and the refining of raw plastics. Other areas of application include:

Paint and lacquer industry
Washing agent industry
Foodstuff industry (e.g. bread, pasta)
Animal-feed industry (dog, cat other animal food

Maintenance of the gearbox of the dual-screw extruder
1. The gear box of the dual-screw extruder should be well-ventilated, and the working environment temperature should be within the range of 5-35 °C.
2. Always check the oil quantity of the gear lubricating oil in the box to ensure that the transmission parts in the box are well lubricated.
3. Pay attention to check the bearing parts of the box frequently. The oil temperature of the oil tank of the transmission box should not exceed 70 ºC during operation.
4. The newly put into use gearbox needs to replace the lubricating oil after 250 hours of operation. The oil change time depends on the state of the oil. It is recommended to replace it after 4000-8000 hours of operation or once a year.
5. The gearbox of the dual-screw extruder needs to be regularly maintained and inspected once a year

Operating Process
1. The gear on the input shaft is driven by the motor and starts to rotate.
2. The rotating input gear meshes with other gears inside the gearbox, transmitting power.
3. Different-sized gears within the gearbox are combined to form a gear train. Through continuous meshing and rotation, the high-speed, low-torque power from the input shaft gradually converts into low-speed, high-torque output.
4. The output shaft is connected to the last gear and transfers the output torque to the load.
5. Gear reduction gearboxes typically include lubrication and cooling systems to ensure smooth operation and prevent overheating and damage.
6. Our extruder gearbox converts high-speed, low-torque power into low-speed, high-torque output by changing the size ratios and meshing arrangements of different gears, achieving the function of speed reduction.

Types of Gearboxes:
Based on customer requirements, gear reduction gearboxes can be classified according to the size of the output shaft, center distance of the output shaft, output speed, and torque. Alternatively, we can provide several commonly used types of gearboxes for customers to choose from.

Product Service

24-hour Hotline

No matter when and where

to call we can find our service to you.

Pre-sales Consultation

We have 5 sales people online,

and whether you have any question

can be solved through online

communication.

After-sales Services

Receive products have any

questions about the product,

can look for us,we will help

you deal with the the first time,to your satisfaction.

Exhibition

Certificate

Company profile
ZheJiang Arrow Machinery Co., Ltd.is a company specializing in R&D, production, sales, application promotion of food engineering projects. As 1 of the largest scaled food processing equipment &whole plant engineering problem solvers in China, machines served for more than 970 companies, export to 116 countries, area, more than 20 years engineering team, we recognize that quality equals value, aims to create a great future together with global customers.

FAQ

1. Q: How about Arrow Machinery?

R: ZheJiang Arrow Machinery Co., Ltd. is a High-Tech company. Our firm is composed of a strong

team which has substantial experience in R&D, manufacture, technique and sales service and has

specialized in extruder industry for 10 years,leading screw barrel manufacturer in China.
2. Q:What’s Arrow machinery’s capacity?
R:Company is in strict accordance with CE and ISO9001 quality certification system.There are over 200

models of extruders and spare parts.

3. Q:What’s the delivery time?

R:For regular size, we have finished stock and semi-finished stock, 2 weeks max enough

for customized, normally within 20days .

4. Q:How about the gearbox quality and price?
R: top quality in China with competitive price and globle after-sale service
5. Q:what’s the life time and guarantee buy from Arrow machinery ?
  R: 3~5years life time for nitriding ones and bimtallic ones will be longer
  One year min. Guarantee.
6.Q:Where is Arrow Machinery factory and how to reach there?
R:NO.47 Chengbohu Road, Xihu (West Lake) Dis. District,HangZhou City, China. You can take the train or plane to HangZhou and we can pick you up.
7.Q:How to contact with you?
   R:just reply to me if have any question.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Machinery
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Cycloidal

Customization:	Available \| Customized Request

helical gearbox

How to Calculate Transmission Ratio for a Cycloidal Gearbox

Using a cycloidal gearbox can be very useful in a wide variety of situations. However, it’s important to understand how to use it properly before implementing it. This article discusses the benefits of using a cycloidal gearbox, how to calculate the transmission ratio, and how to determine the effects of dynamic and inertial forces on the gearbox.

Dynamic and inertial effects

Various studies have been done to study the dynamic and inertial effects of cycloidal gearboxes. These studies have been performed using numerical, analytical and experimental methods. Depending on the nature of the load and its distribution along the gear, a variety of models have been developed. These models use finite element method to determine accurate contact stresses. Some of these models have been developed to address the nonlinear elasticity of contacts.
Inertial imbalance in a cycloidal gearbox causes vibration and can affect the efficiency of the device. This can increase mechanical losses and increase wear and tear. The efficiency of the device also depends on the torque applied to the cycloidal disk. The effectiveness of the device increases as the load increases. Similarly, the nonlinear contact dynamics are also associated with an increase in efficiency.
A new model of a cycloidal reducer has been developed to predict the effects of several operational conditions. The model is based on rigid body dynamics and uses a non-linear stiffness coefficient. The model has been validated through numerical and analytical methods. The model offers drastic reduction in computational costs. The model allows for a quick analysis of several operational conditions.
The main contribution of the paper is the investigation of the load distribution on the cycloidal disc. The study of this aspect is important because it allows for an analysis of the rotating parts and stresses. It also provides an indication of which gear profiles are best suited for optimizing torque transmission. The study has been conducted with a variety of cycloidal gearboxes and is useful in determining the performance of different types of cycloidal gearboxes.
To study the load distribution on the cycloidal disc, the authors investigated the relationship between contact force, cycloidal gearboxes and different gear profiles. They found that the non-linear contact dynamics have a large impact on the efficiency of a cycloidal gearbox. The cycloidal gearbox is an ideal solution for applications that involve highly dynamic servos. It can also be used in machine tool applications and food processing industries.
The study found that there are three common design principles of cycloidal reducers. These are the contact force distribution, the speed reduction and the trochoidal profile of the cycloidal disc. The trochoidal profile has to be defined carefully to ensure correct mating of the rotating parts. The trochoidal profile provides an indication of which gear profiles are best for optimizing torque transmission. The contact force distribution can be improved by refining the mesh along the disc’s width.
As the input speed increases, the efficiency of the reducer increases. This is because contact forces are constantly changing in magnitude and orientation. A cycloidal reducer with a one tooth difference can reduce input speed by up to 87:1 in a single stage. It also has the ability to handle high-cycle moves without backlash. helical gearbox

Transmission ratio calculation

Getting the correct transmission ratio calculation for a cycloidal gearbox requires a good understanding of what a gearbox is, as well as the product that it is being used for. The correct ratio is calculated by dividing the output speed of the output gear by the input speed of the input gear. This is usually accomplished by using a stopwatch. In some cases, a catalog or product specification may be required. The correct ratio is determined by a combination of factors, such as the amount of torque applied to the mechanism, as well as the size of the gears involved.
A cycloidal gear is a type of gear tooth profile that can be represented using a spline. It is also possible to model a gear with a cycloidal profile by using a spline to connect points against the beginning of a coordinate system. This is important in the design and functionality of a gear.
There are many different gears used in machines and devices. These include the herringbone gear, the helical gear and the spiral bevel gear. The best transmission ratios are typically obtained with a cycloidal gearbox. In addition to ensuring the accuracy of positioning, a cycloidal gearbox provides excellent backlash. Cycloid gears have a high degree of mechanical efficiency, low friction, and minimal moment of inertia.
A cycloidal gearbox is often referred to as a planetary gearbox, though it is technically a single-stage gearbox. In addition to having a ring gear, the gearbox has an eccentric bearing that drives the cycloidal disc in an eccentric rotation. This makes the cycloidal gearbox a good choice for high gear ratios in compact designs.
The cycloid disc is the key element of a cycloidal gearbox. The cycloid disc has n=9 lobes, and each lobe of the disc moves by a lobe for every revolution of the drive shaft. The cycloid disc is then geared to a stationary ring gear. The cycloidal disc’s lobes act like teeth on the stationary ring gear.
There are many different gears that are classified by the profile of the gear teeth. The most common gears are the involute and helical gears. Most motion control gears include spur designs. However, there are many other types of gears that are used in various applications. The cycloidal gear is one of the more complicated gears to design. The cycloid disc’s outline can be represented using markers or smooth lines, though a scatter chart will also do.
The cycloid disc’s lobes rotate on a reference pitch circle of pins. These pins rotate 40 deg during the eccentric rotation of the drive shaft. The pins rotate around the disc to achieve a steady rotation of the output shaft.
The cycloid disc’s other obvious, and possibly more important, feature is the’magic’ number of pins. This is the number of pins that protrude through the face of the disc. The disc has holes that are larger than the pins. This allows the pins to protrude through the disc and attach to the output shaft. helical gearbox

Application

Whether you’re building a robot drive or you’re simply looking for a gearbox to reduce the speed of your vehicle, a cycloidal gearbox is a great way to achieve a high reduction ratio. Cycloidal gearboxes are a low-friction, lightweight design that has an extremely stable transmission. They are suitable for industrial robots and can be used in many applications, including positioning robots.
Cycloidal gearboxes reduce speed by using eccentric motion. The eccentric motion enables the entire internal gear to rotate in wobbly cycloidal motion, which is then translated back into circular rotation. This eliminates the need for stacking gear stages. Cycloidal gearboxes also have less friction, higher strength, and greater durability than conventional gearboxes.
The cycloidal gearbox is also used in a number of applications, including marine propulsion systems, and robot drives. Cycloidal gearboxes reduce vibration by using offset gearing to cancel out vibrations.
Cycloidal gears have lower friction, higher strength, and better torsional stiffness than involute gears. They also have a reduced Hertzian contact stress, making them better than involute gears for use with shock loads. They also have a smaller size and weight than conventional gearboxes, and they have a higher reduction ratio than involute gears.
Cycloidal gears are typically used to reduce the speed of motors, but they also offer a number of other advantages. Cycloidal gearboxes have a smaller footprint than other gearboxes, allowing them to fit into confined spaces. They also have low backlash, allowing for precise movement. Cycloidal gears have a higher efficiency, resulting in lower power requirements and lower wear.
The cycloidal disc is one of the most important components of the gearbox. Cycloidal discs are normally designed with a short cycloid, which minimizes the eccentricity of the disc. They are also designed with a shortened flank, resulting in better strength and less stress concentration. Cycloidal discs are typically geared to a stationary ring gear. The cycloid is designed to roll around the stationary ring pins, which push against the circular holes in the disc. Cycloidal gearboxes typically employ two degrees of shift.
Cycloidal drives are ideal for heavy load applications. They also have high torsional stiffness, which makes them highly resistant to shock loads. Cycloidal drives also offer a high reduction ratio, which can be achieved without the need for a large input shaft. They are also compact and have a high service life.
The output shaft of a cycloidal gearbox always has two degrees of shifting, which ensures that the input and output shafts always rotate at a different speed. The output shaft would be a pin casing around the drive disks, which would also allow for easy maintenance.
Cycloidal gearboxes are also very compact and lightweight, so they are ideal for use in industrial robots. The cycloidal gearbox reducer is the most stable, low-vibration reducer in industrial robots, and it has a wide transmission ratio range.
China Custom CZPT Arrow Durable in Use High Speed Gearbox for Twin Screw Extruder cycloidal drive efficiency
editor by CX 2023-06-13

China Custom Transmission Loss ≤ 1 Arc. Min Gearbox Speed Variator for 0.05~1.5kw CZPT Servomotor with Hot selling

Product Description

Transmission loss ≤1 arc.min gearbox speed variator for 0.05~1.5kw CZPT servomotor

WF series gearbox speed variator for 5 axis machining center developed and manufactured by WEITENSTAN together with German and ZheJiang technicians for many years.

High precision miniature cycloidal gearbox has the characteristics of smaller, ultra-thin, lightweight and high rigidity, anti-overload and high torque. With good deceleration performance, smooth operation and accurate positioning can be achieved. Integrated design, can be directly connected with the motor, to achieve high precision, high rigidity, high durability and other advantages. It is designed for high speed ratio, high geometric accuracy, low motion loss, large torque capacity and high stiffness applications. The compact design (minimum OD ≈40mm, currently the world’s smallest precision cycloidal pin-wheel reducer) allows it to be installed in limited Spaces.

Reducer drawings

Detailed Photos

Product Advantage

Transmission loss ≤1 arc.min gearbox speed variator for 0.05~1.5kw CZPT servomotor

advantages:

1, fine precision cycloidal structure

Ultra flat shape is achieved through differential reduction mechanism and thin cross roller bearing, contributing to the compact size of the equipment. The combination of small size and unmatched superior parameters achieves the best combination of performance, price and size (high cost performance).

2. Excellent accuracy (transmission loss ≤1 arcmin)

Through the complex meshing of precision cycloid gear and high precision roller pin, higher transmission accuracy is achieved while maintaining small size and high speed ratio.

3, high rigidity

Increase the mesh rate to disperse the load, so the rigidity is high.

4. High overload capacity

It maintains trouble-free operation under abnormally low noise and vibration conditions while ensuring excellent overturning and torsional stiffness parameters. Integrated axial radial cross roller bearings, high load capacity and overload capacity of the reducer, can ensure users to provide a variety of temperature range of applications.

5, the motor installation is simple

Electromechanical integration design, can be directly connected with the motor, any brand of motor can be installed directly, without adding any device.

6. Maintenance free

Seal grease to achieve maintenance free. No refueling, no mounting direction restrictions.

7, stable performance

The manufacturing process of high wear-resistant materials and high precision parts has been certified by ISO9000 quality system, which guarantees the reliable operation of the reducer.

Product Classification

WF Series
High Precision Miniature Reducer

WF series is a high precision micro cycloidal reducer with flange, which has a wide range of applications. This series of reducers includes precise reduction mechanisms and radial – axial roller bearings. The unique design allows load to act directly on the output flange or housing without additional bearings. WF series reducer is characterized by module design, can be installed through the flange motor and reducer, belongs to the motor directly connected reducer.

WFH Series
High Precision Miniature Reducer

WFH series is a hollow form of high precision miniature cycloidal reducer, wire, compressed air pipeline, drive shaft can be through the hollow shaft, non-motor direct connection type reducer. The WFH series is fully sealed, full of grease and includes precise deceleration mechanism and radial – axial roller bearings. The unique design allows load to be acted directly on the output flange or housing without additional bearings.

WR Series
high-precision corner reducer

The WR series is a flange output corner reducer. Like the WF and WFH series, it is a high-precision reducer (backlash less than 1 arc.min), and the level 2 can also be within 1 arc.min, which is higher than other types. Corner type reducer. It can replace the harmonic drive reducer, and its life and rigidity are more than 3 times that of the harmonic.

Product Parameters

Size	reduction ratio		Rated output moment	Allowable torque of start and stop	Instantaneous allowable moment	Rated input speed	Maximum input speed	Tilt stiffness	Torsional stiffness	No-load starting torque	Transmission accuracy	Error accuracy	Moment of inertia	Weight
	Axis rotation	Shell rotation	Nm	Nm	Nm	rpm	rpm	Nm/arcmin	Nm/arcmin	Nm	arcmin	arcmin	kg-m²	kg
WF07	21	20	15	30	45	3000	6000	6	1.1	0.12	P1≤±1 P2≤±3	P1≤±1 P2≤±3	0.52	0.42
	41	40								0.11			0.47
WF17	21	20	50	100	150	3000	6000	28	6	0.21	P1≤±1 P2≤±3	P1≤±1 P2≤±3	0.88	0.85
	41	40								0.18			0.72
	61	60								0.14			0.69
WF25	21	20	110	220	330	3000	5500	131	24	0.47	P1≤±1 P2≤±3	P1≤±1 P2≤±3	6.12	2
	31	30								0.41			5.67
	41	40								0.38			4.9
	51	50								0.35			4.56
	81	80								0.31			4.25
WF32	25	24	190	380	570	3000	4500	240	35	1.15	P1≤±1 P2≤±3	P1≤±1 P2≤±3	11	4.2
	31	30								1.1			10.8
	51	50								0.77			9.35
	81	80								0.74			8.32
	101	100								0.6			7.7
WF40	25	24	320	640	960	3000	4000	377	50	1.35	P1≤±1 P2≤±3	P1≤±1 P2≤±3	13.2	6.6
	31	30								1.32			12.96
	51	50								0.92			11.22
	81	80								0.81			9.84
	121	120								0.72			8.4

Installation Instructions

Company Profile

Q: Speed reducer grease replacement time
A: When sealing appropriate amount of grease and running reducer, the standard replacement time is 20000 hours according to the aging condition of the grease. In addition, when the grease is stained or used in the surrounding temperature condition (above 40ºC), please check the aging and fouling of the grease, and specify the replacement time.

Q: Delivery time
A: Fubao has 2000+ production base, daily output of 1000+ units, standard models within 7 days of delivery.

Q: Reducer selection
A: Fubao provides professional product selection guidance, with higher product matching degree, higher cost performance and higher utilization rate.

Q: Application range of reducer
A: Fubao has a professional research and development team, complete category design, can match any stepping motor, servo motor, more accurate matching.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Machinery, Agricultural Machinery, Humanoid Robot
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type

Customization:	Available \| Customized Request

helical gearbox

A Mathematical Model of a Cycloid Gearbox

Basic design principles

Low friction

Compact

High reduction ratios

Reducing amplitude of the vibration

Robust against shock loads

Inertial effects

Various studies have been conducted to investigate the static problems of gears. However, there is still a need for a proper model to investigate the dynamic behaviour of a controlled system. For this, a mathematical model of a cycloidal gearbox has been developed. The presented model is a simple model that can be used as the basis for a more complex mechanical model.
The mathematical model is based on the cycloidal gearbox’s mechanical construction and has a nonlinear friction characteristic. The model is able to reproduce the current peaks and breaks at standstill. It also considers the stiction effect. However, it does not cover backlash or torsional stiffness.
This model is used to calculate the torque generating current and the inertia of the motor. These values are then compared with the real system measurement. The results show that the simulation results are very close to the real system measurement.
Several parameters are considered in the model to improve its dynamic behaviour. These parameters are calculated from the harmonic drive system analysis. These are torque-generating current, inertia, and the contact forces of the rotating parts.
The model has a high level of accuracy and can be used for motor control. It is also able to reproduce the dynamic behaviour of a controlled system.
China Custom Transmission Loss ≤ 1 Arc. Min Gearbox Speed Variator for 0.05~1.5kw CZPT Servomotor with Hot selling
editor by CX 2023-06-05

China Standard Rated Output Torque 15nm Transmission Ratio 21-41 Robot Speed Variator Gearbox cycloidal gearbox backlash

Product Description

Rated output torque 15Nm Transmission ratio 21-41 robot speed variator gearbox

WF series robot speed variator gearbox for 5 axis machining center developed and manufactured by WEITENSTAN together with German and ZheJiang technicians for many years.

Reducer drawings

Detailed Photos

Product Advantage

Rated output torque 15Nm Transmission ratio 21-41 robot speed variator gearbox
advantages:

1, fine precision cycloidal structure

2. Excellent accuracy (transmission loss ≤1 arcmin)

Through the complex meshing of precision cycloid gear and high precision roller pin, higher transmission accuracy is achieved while maintaining small size and high speed ratio.

3, high rigidity

Increase the mesh rate to disperse the load, so the rigidity is high.

4. High overload capacity

5, the motor installation is simple

Electromechanical integration design, can be directly connected with the motor, any brand of motor can be installed directly, without adding any device.

6. Maintenance free

Seal grease to achieve maintenance free. No refueling, no mounting direction restrictions.

7, stable performance

The manufacturing process of high wear-resistant materials and high precision parts has been certified by ISO9000 quality system, which guarantees the reliable operation of the reducer.

Product Classification

WF Series
High Precision Miniature Reducer

WFH Series
High Precision Miniature Reducer

WR Series
high-precision corner reducer

Product Parameters

Size	reduction ratio		Rated output moment	Allowable torque of start and stop	Instantaneous allowable moment	Rated input speed	Maximum input speed	Tilt stiffness	Torsional stiffness	No-load starting torque	Transmission accuracy	Error accuracy	Moment of inertia	Weight
	Axis rotation	Shell rotation	Nm	Nm	Nm	rpm	rpm	Nm/arcmin	Nm/arcmin	Nm	arcmin	arcmin	kg-m²	kg
WF07	21	20	15	30	45	3000	6000	6	1.1	0.12	P1≤±1 P2≤±3	P1≤±1 P2≤±3	0.52	0.42
	41	40								0.11			0.47
WF17	21	20	50	100	150	3000	6000	28	6	0.21	P1≤±1 P2≤±3	P1≤±1 P2≤±3	0.88	0.85
	41	40								0.18			0.72
	61	60								0.14			0.69
WF25	21	20	110	220	330	3000	5500	131	24	0.47	P1≤±1 P2≤±3	P1≤±1 P2≤±3	6.12	2
	31	30								0.41			5.67
	41	40								0.38			4.9
	51	50								0.35			4.56
	81	80								0.31			4.25
WF32	25	24	190	380	570	3000	4500	240	35	1.15	P1≤±1 P2≤±3	P1≤±1 P2≤±3	11	4.2
	31	30								1.1			10.8
	51	50								0.77			9.35
	81	80								0.74			8.32
	101	100								0.6			7.7
WF40	25	24	320	640	960	3000	4000	377	50	1.35	P1≤±1 P2≤±3	P1≤±1 P2≤±3	13.2	6.6
	31	30								1.32			12.96
	51	50								0.92			11.22
	81	80								0.81			9.84
	121	120								0.72			8.4

Installation Instructions

Company Profile

Q: Delivery time
A: Fubao has 2000+ production base, daily output of 1000+ units, standard models within 7 days of delivery.

Q: Reducer selection
A: Fubao provides professional product selection guidance, with higher product matching degree, higher cost performance and higher utilization rate.

Q: Application range of reducer
A: Fubao has a professional research and development team, complete category design, can match any stepping motor, servo motor, more accurate matching.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Machinery, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type

Customization:	Available \| Customized Request

helical gearbox

The Advantages of Using a Cyclone Gearbox

Using a cycloidal gearbox to drive an input shaft is a very effective way to reduce the speed of a machine. It does this by reducing the speed of the input shaft by a predetermined ratio. It is capable of very high ratios in relatively small sizes.

Transmission ratio

Whether you’re building a marine propulsion system or a pump for the oil and gas industry, there are certain advantages to using cycloidal gearboxes. Compared to other gearbox types, they’re shorter and have better torque density. These gearboxes also offer the best weight and positioning accuracy.
The basic design of a cycloidal gearbox is similar to that of a planetary gearbox. The main difference is in the profile of the gear teeth.
Cycloid gears have less tooth flank wear and lower Hertzian contact stress. They also have lower friction and torsional stiffness. These advantages make them ideal for applications that involve heavy loads or high-speed drives. They’re also good for high gear ratios.
In a cycloidal gearbox, the input shaft drives an eccentric bearing, while the output shaft drives the cycloidal disc. The cycloidal disc rotates around a fixed ring, and the pins of the ring gear engage the holes in the disc. The pins then drive the output shaft as the disc rotates.
Cycloid gears are ideal for applications that require high gear ratios and low friction. They’re also good for applications that require high torsional stiffness and shock load resistance. They’re also suitable for applications that require a compact design and low backlash.
The transmission ratio of a cycloidal gearbox is determined by the number of lobes on the cycloidal disc. The n=n design of the cycloidal disc moves one lobe per revolution of the input shaft.
Cycloid gears can be manufactured to reduce the gear ratio from 30:1 to 300:1. These gears are suitable for high-end applications, especially in the automation industry. They also offer the best positioning accuracy and backlash. However, they require special manufacturing processes and require non-standard characteristics.

Compressive force

Compared with conventional gearboxes, the cycloidal gearbox has a unique set of kinematics. It has an eccentric bearing in a rotating frame, which drives the cycloidal disc. It is characterized by low backlash and torsional stiffness, which enables geared motion.
In this study, the effects of design parameters were investigated to develop the optimal design of a cycloidal reducer. Three main rolling nodes were studied: a cycloidal disc, an outer race and the input shaft. These were used to analyze the motion related dynamic forces, which can be used to calculate stresses and strains. The gear mesh frequency was calculated using a formula, which incorporated a correction factor for the rotating frame of the outer race.
A three-dimensional finite element analysis (FEA) study was conducted to evaluate the cycloidal disc. The effects of the size of the holes on the disc’s induced stresses were investigated. The study also looked at the torque ripple of a cycloidal drive.
The authors of this study also explored backlash distribution in the output mechanism, which took into account the machining deviations and structure and geometry of the output mechanism. The study also looked at the relative efficiency of a cycloidal reducer, which was based on a single disc cycloidal reducer with a one-tooth difference.
The authors of this study were able to deduce the contact stress of the cycloidal disc, which is calculated using the material-based contact stiffness. This can be used to determine accurate contact stresses in a cycloidal gearbox.
It is important to know the ratios needed for calculation of the bearing rate. This can be calculated using the formula f = k (S x R) where S is the volume of the element, R is the mass, k is the contact stiffness and f is the force vector. helical gearbox

Rotational direction

Unlike the conventional ring gear which has a single axis of rotation, cycloidal gearbox has three rotational axes which are parallel and are located in a single plane. A cycloidal gearbox has excellent torsional stiffness and shock load capacity. It also ensures constant angular velocity, and is used in high-speed gearbox applications.
A cycloidal gearbox consists of an input shaft, a drive member and a cycloidal disc. The disc rotates in one direction, while the input shaft rotates in the opposite direction. The input shaft eccentrically mounts to the drive member. The cycloidal disc meshes with the ring-gear housing, and the rotational motion of the cycloidal disc is transferred to the output shaft.
To calculate the rotational direction of a cycloidal gearbox, the cycloid must have the correct angular orientation and the centerline of the cycloid should be aligned with the center of the output hole. The cycloid’s shortest length should be equal to the radius of the pin circle. The cycloid’s largest radius should be the size of the bearing’s exterior diameter.
A single-stage gear will not have much space to work with, so you’ll need a multistage gear to maximize space. This is also the reason that cycloid gears are usually designed with a shortened cycloid.
To calculate the most efficient tooth profile for a cycloidal gear, a new method was devised. This method uses a mathematical model that uses the cycloid’s rotational direction and a few other geometric parameters. Using a piecewise function related to the distribution of pressure angle, the cycloid’s most efficient profile is determined. It is then superimposed on the theoretical profile. The new method is much more flexible than the conventional method, and can adapt to changing trends of the cycloidal profile.

Design

Several designs of cycloidal gearboxes have been developed. These gearboxes have a large reduction ratio in one stage. They are mainly used for heavy machines. They provide good torsional stiffness and shock load capacity. However, they also have vibrations at high RPM. Several studies have been conducted to find a solution to this problem.
A cycloidal gearbox is designed by calculating the reduction ratio of a mechanism. This ratio is obtained by the size of the input speed. This is then multiplied by the reduction ratio of the gear profile.
The most important factor in the design of a cycloidal gearbox is the load distribution along the width of the gear. Using this as a design criterion, the amplitude of vibration can be reduced. This will ensure that the gearbox is working properly. In order to generate proper mating conditions, the trochoidal profile on the cycloidal disc periphery must be defined accurately.
One of the most common forms of cycloidal gears is circular arc toothing. This is the most common type of toothing used today.
Another form of gear is the hypocycloid. This form requires the rolling circle diameter to be equal to half the base circle diameter. Another special case is the point tooth form. This form is also called clock toothing.
In order to make this gear profile work, the initial point of contact must remain fixed to the edge of the rolling disk. This will generate the hypocycloid curve. The curve is traced from this initial point.
To investigate this gear profile, the authors used a 3D finite element analysis. They used the mathematical model of gear manufacturing that included kinematics parameters, output moment calculations, and machining steps. The resulting design eliminated backlash. helical gearbox

Sizing and selection

Choosing a gearbox can be a complex task. There are many factors that need to be taken into account. You need to determine the type of application, the required speed, the load, and the ratio of the gearbox. By gaining this information, you can find a solution that works best for you.
The first thing you need to do is find the proper size. There are several sizing programs available to help you determine the best gearbox for your application. You can start by drawing a cycloidal gear to help you create the part.
During sizing, it is important to consider the environment. Shock loads, environmental conditions, and ambient temperatures can increase wear on the gear teeth. The temperature also has a significant impact on lubrication viscosities and seal materials.
You also need to consider the input and output speed. This is because the input speed will change your gearbox ratio calculations. If you exceed the input speed, you can damage the seals and cause premature wear on the shaft bearings.
Another important aspect of sizing is the service factor. This factor determines the amount of torque the gearbox can handle. The service factor can be as low as 1.4, which is sufficient for most industrial applications. However, high shock loads and impact loads will require higher service factors. Failure to account for these factors can lead to broken shafts and damaged bearings.
The output style is also important. You need to determine if you want a keyless or keyed hollow bore, as well as if you need an output flange. If you choose a keyless hollow bore, you will need to select a seal material that can withstand the higher temperatures.
China Standard Rated Output Torque 15nm Transmission Ratio 21-41 Robot Speed Variator Gearbox cycloidal gearbox backlash
editor by CX 2023-05-18

China Best Sales Smrv090 New Design Speed Reducer Gearbox Like Transtecno planetary gears gear ratio

Product Description

HangZhou CZPT Machinery Co., Ltd.has been specialising in the manufacture and export of RV series worm gearboxes and other power transmission products for years, dedicated to provide to our customers good quality products in competitive prices. The main products are RV series worm gear speed reducers, UD series mechanical speed variators, G3 series helical geared motors and the specially designed reducers for polishing machines. Our products are widely used in the mechanical apparatus for foodstuff, ceramics, package, chemical, printing, and plastics, etc.

Xihu (West Lake) Dis.d by the idea, “Quality is the very key.”. the company proceeds in strict quality control to all the products, complying with the requirements of ISO9001:2008, and certificated, which has enabled our products to have enjoyed the successful sales, popularity and good reputation among the markets of Europe, Mid-east, and Souteast Asia.

SMRV worm gearbox, once it is ready, everyone will be test before sending out.
.

Innovation, good quality, customers’ satisfication, and excellent service are the principles of the company. All customers at home and abroad are warmly welcome to contact us and negotiate for mutual business expansion.

Model	RV 130 150
Single unit versions	NMRV – fitted for motor flanged coupling,
	NRV – with input shaft,
	NMRV-E motor flanged coupling with worm extension shaft,
	NRV-E with double extension worm shaft,
Power	0.06—-15KW
Single unit reduction ratio	1:5 7.5 80 100
Output torque	2.6—1195N.M
Worm shaft material	20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm
Worm wheel material	worm mandrel is HT250,and worm ring gear,ZQSn10-1,hardness is 60HRC

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Cycloidal

Customization:	Available \| Customized Request

helical gearbox

A Mathematical Model of a Cycloid Gearbox

Basic design principles

Low friction

Compact

High reduction ratios

Reducing amplitude of the vibration

Robust against shock loads

Inertial effects

Various studies have been conducted to investigate the static problems of gears. However, there is still a need for a proper model to investigate the dynamic behaviour of a controlled system. For this, a mathematical model of a cycloidal gearbox has been developed. The presented model is a simple model that can be used as the basis for a more complex mechanical model.
The mathematical model is based on the cycloidal gearbox’s mechanical construction and has a nonlinear friction characteristic. The model is able to reproduce the current peaks and breaks at standstill. It also considers the stiction effect. However, it does not cover backlash or torsional stiffness.
This model is used to calculate the torque generating current and the inertia of the motor. These values are then compared with the real system measurement. The results show that the simulation results are very close to the real system measurement.
Several parameters are considered in the model to improve its dynamic behaviour. These parameters are calculated from the harmonic drive system analysis. These are torque-generating current, inertia, and the contact forces of the rotating parts.
The model has a high level of accuracy and can be used for motor control. It is also able to reproduce the dynamic behaviour of a controlled system.
China Best Sales Smrv090 New Design Speed Reducer Gearbox Like Transtecno planetary gears gear ratio
editor by CX 2023-05-11

China factory High Load Capacity Speed Variator & Transfer Gearbox for Flange 60mm Servo Motor cycloidal gear advantages

Product Description

high load capacity speed variator & transfer gearbox for flange 60mm servo motor

speed variator & transfer gearbox for 5 axis machining center developed and manufactured by WEITENSTAN together with German and ZheJiang technicians for many years.

Reducer drawings

Detailed Photos

Product Advantage

high load capacity speed variator & transfer gearbox for flange 60mm servo motor

advantages:

1, fine precision cycloidal structure

2. Excellent accuracy (transmission loss ≤1 arcmin)

Through the complex meshing of precision cycloid gear and high precision roller pin, higher transmission accuracy is achieved while maintaining small size and high speed ratio.

3, high rigidity

Increase the mesh rate to disperse the load, so the rigidity is high.

4. High overload capacity

5, the motor installation is simple

Electromechanical integration design, can be directly connected with the motor, any brand of motor can be installed directly, without adding any device.

6. Maintenance free

Seal grease to achieve maintenance free. No refueling, no mounting direction restrictions.

7, stable performance

The manufacturing process of high wear-resistant materials and high precision parts has been certified by ISO9000 quality system, which guarantees the reliable operation of the reducer.

Product Classification

WF Series
High Precision Miniature Reducer

WFH Series
High Precision Miniature Reducer

WR Series
high-precision corner reducer

Product Parameters

Size	reduction ratio		Rated output moment	Allowable torque of start and stop	Instantaneous allowable moment	Rated input speed	Maximum input speed	Tilt stiffness	Torsional stiffness	No-load starting torque	Transmission accuracy	Error accuracy	Moment of inertia	Weight
	Axis rotation	Shell rotation	Nm	Nm	Nm	rpm	rpm	Nm/arcmin	Nm/arcmin	Nm	arcmin	arcmin	kg-m²	kg
WF07	21	20	15	30	45	3000	6000	6	1.1	0.12	P1≤±1 P2≤±3	P1≤±1 P2≤±3	0.52	0.42
	41	40								0.11			0.47
WF17	21	20	50	100	150	3000	6000	28	6	0.21	P1≤±1 P2≤±3	P1≤±1 P2≤±3	0.88	0.85
	41	40								0.18			0.72
	61	60								0.14			0.69
WF25	21	20	110	220	330	3000	5500	131	24	0.47	P1≤±1 P2≤±3	P1≤±1 P2≤±3	6.12	2
	31	30								0.41			5.67
	41	40								0.38			4.9
	51	50								0.35			4.56
	81	80								0.31			4.25
WF32	25	24	190	380	570	3000	4500	240	35	1.15	P1≤±1 P2≤±3	P1≤±1 P2≤±3	11	4.2
	31	30								1.1			10.8
	51	50								0.77			9.35
	81	80								0.74			8.32
	101	100								0.6			7.7
WF40	25	24	320	640	960	3000	4000	377	50	1.35	P1≤±1 P2≤±3	P1≤±1 P2≤±3	13.2	6.6
	31	30								1.32			12.96
	51	50								0.92			11.22
	81	80								0.81			9.84
	121	120								0.72			8.4

Installation Instructions

Company Profile

Q: Delivery time
A: Fubao has 2000+ production base, daily output of 1000+ units, standard models within 7 days of delivery.

Q: Reducer selection
A: Fubao provides professional product selection guidance, with higher product matching degree, higher cost performance and higher utilization rate.

Q: Application range of reducer
A: Fubao has a professional research and development team, complete category design, can match any stepping motor, servo motor, more accurate matching.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Machinery, Agricultural Machinery, Humanoid Robot
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type

Customization:	Available \| Customized Request

helical gearbox

Condition Monitoring of Cyclone Gearboxes

Whether you’re considering using a cycloidal gearbox in your home, office, or garage, you’ll want to make sure it’s made of quality material. You also want to make sure it’s designed properly, so it won’t be damaged by vibrations.

Planetary gearboxes

Compared to cycloidal gearboxes, planetary gearboxes are lighter and more compact, but they lack the precision and durability of the former. They are better suited for applications with high torque or speed requirements. For this reason, they are usually used in robotics applications. But, cycloidal gearboxes are still better for some applications, including those involving shock loads.
There are many factors that affect the performance of gearboxes during production. One of these is the number of teeth. In the case of planetary gearboxes, the number of teeth increases with the number of planets. The number of teeth is reduced in cycloidal gearboxes, which results in higher transmission ratios. These gearboxes also have lower breakaway torques, which means that they can be controlled more easily by the user.
A cycloid gearbox is comprised of three main parts: the ring gear, the sun gear, and the input shaft. The ring gear is fixed in the gearbox, while the sun gear transmits the rotation to the planet gears. The input shaft transfers motion to the sun gear, which in turn transmits it to the output shaft. The output shaft has a larger torque than the input shaft.
Cycloid gears have better torsional stiffness, lower wear, and lower Hertzian contact stress. However, they are also larger in size and require highly accurate manufacturing. Cycloid gears can be more difficult to manufacture than involute gears, which require large amounts of precision.
Cycloid gears can offer transmission ratios up to 300:1, and they can do this in a small package. They also have lower wear and friction, which makes them ideal for applications that require a high transmission ratio.
Cycloid gearboxes are usually equipped with a backlash of about one angular minute. This backlash provides the precision and control necessary for accurate movement. They also provide low wear and shock load capacity.
Planetary gearboxes are available in single and two-stage designs, which increase in length as stages are added. In addition to the two stages, they can be equipped with an optional output bearing, which takes up mounting space. In some applications, a third stage is also available.

Involute gears

Generally, involute gears are more complex to manufacture than cycloidal gears. For example, an involute gear tooth profile has a single curve while a cycloidal gear tooth profile has two curves. In addition, the involute curve is not within the base circle.
The involute curve is a very important component of a gear tooth and it can significantly influence the quality of contact meshing between teeth. Various works have been done on the subject, mainly focusing on the operating principles. In addition, the most important characteristic of the double-enveloping cycloid drive is its double contact lines between the meshing tooth pairs.
Cycloid gears are more powerful, less noisy, and last longer than involute gears. They also require less manufacturing operations during production. However, cycloid gears are more expensive than involute gears. Involute gears are more commonly used in linear motions while cycloid gears are used for rotary motions.
Although cycloid gears are more technically advanced, involute gears have the superior quality and are more aesthetically pleasing. Cycloid gears are used in various industrial applications such as pumps and compressors. They are also widely used in the watch industry. Nevertheless, involute gears have not yet replaced cycloid gears in the watch industry.
The cycloid disc has a number of pins around its outer edge, while an involute gear has only a single curve for the teeth. In addition, cycloid gears have a more robust and reliable design. Involute gears, on the other hand, have a cheaper rack cutter and less expensive involute teeth.
The cycloid disc’s transmission accuracy is about 98.5%, while the ring gear’s transmission accuracy is about 96%. The cycloid disc’s rotational velocity has a magnitude of 3 rad/s. A small change in the center distance does not affect the transmission accuracy. However, rotational velocity fluctuation can affect the transmission accuracy.
Cycloid gears also have the cycloid gear disc’s rotational velocity. The disc has N lobes. However, the cycloid gear disc’s transmission accuracy is still not perfect. This is because of the large rotational angles between the lobes. This also makes it difficult to manufacture. helical gearbox

Vibrations

Using modern techniques for vibration diagnostics and data-driven methods, this article presents a new approach to condition monitoring of cycloidal gearboxes. This approach focuses on detecting the root cause of gearbox failure. The article aims to provide a unified approach to gear designers.
A cycloidal gearbox is a high-precision gearbox that is used in heavy-duty machines. It has a large reduction ratio, which makes it necessary to have a very large input speed. Cycloid gears have high accuracy, but they are susceptible to vibration issues. In this article, the authors describe how a cycloidal gearbox works and how vibrations are measured. They also show how this gearbox can be used to detect faults.
The gearbox is used in positioners, multi-axis robots, and heavy-duty machines. The main characteristics of this gearbox are the high accuracy, the overload capacity, and the large reduction ratio.
There is little documentation on vibrations and condition monitoring of cycloidal gearboxes. The authors describe their approach to the problem, using a cycloidal gearbox and a testing bench. Their approach involves measuring the frequency of the gearbox with different input speeds.
The results show a good separation between the healthy and damaged states. Fault frequencies show up in the lower orders of frequencies. Faults can be detected using binning, which eliminates the need for a tachometer. In addition, binning is combined with Principal Component Analysis to determine the state of the gearbox.
This method is compared to traditional techniques. In addition, the results show how binning can be used to calculate the defect frequencies of the bearings. It is also used to determine the frequencies of the components.
The signals from the test bench are acquired using four sensors. These sensors are medium sensitivity 100 mV/g accelerometers. The signals are then processed using different signal processing techniques. The results show that the vibration signals are correlated with the internal motion of the gearbox. This information is used to identify the internal frequency of the transmission.
The frequency analysis of vibration signals is performed in cyclostationary and noncyclostationary conditions. The signals are then analyzed to determine the magnitude of the gear meshing frequency. helical gearbox

Design

Using precision gearboxes, servomotors can now control heavy loads at high speed. Unlike cam indexing devices, cycloidal gears provide extremely accurate positioning and high torque. They also provide excellent torsional stiffness and shock load capacity.
Cycloid gears are specially designed to minimize vibration at high RPM. Unlike involute gears, they are not stacked, which reduces friction and forces experienced by each tooth. In addition, cycloidal gears have lower Hertzian contact stress.
Cycloid gears are often used in multi-axis robots for positioners. They can provide transmission ratios as high as 300:1 in a compact package. They are also used in first joints in heavy machines. However, they require extremely accurate manufacturing. They are also more difficult to produce than involute gears.
A cycloidal gearbox is a type of planetary gearbox. Cycloid gears are specially designed for high gear ratios. They also have the ability to provide a large reduction ratio in a single stage. They are increasingly used in first joints in heavy machines. They are also becoming more common in robotics.
In order to achieve a large reduction ratio, the input speed of the gear must be very high. Generally, the input speed is between 500 rpm and 4500 rpm. However, in some cases, the input speed may be lower.
A cycloid is formed by rolling a rolling circle on a base circle. The ratio between the rolling circle diameter and the base circle diameter determines the shape of the cycloid. A hypocycloid is formed by rolling primarily on the inside of the base circle, while an epicycloid is formed by rolling primarily on the outside of the base circle.
Cycloid gears have a very small backlash, which minimizes the forces experienced by each tooth. These gears also have a good torsional stiffness, low friction, and shock load capacity. They also provide the best positioning accuracy.
The cycloidal gearbox was designed and built at Radom University. The design was based on three different cycloidal gears. The first pair had the external profile at the nominal dimension, while the second pair had the profile minus tolerance. The load plate had threaded screw holes arranged 15 mm away from the center.
China factory High Load Capacity Speed Variator & Transfer Gearbox for Flange 60mm Servo Motor cycloidal gear advantages
editor by CX 2023-05-09

China Good quality Udl0.37 Speed Variator Motor Speed Variator Gearbox planetary gears gear ratio

Product Description

1) High precision of speed regulating for speed variator,UD gear box: up to 0.5-1 round
2) Large speed-changing range: the speed ratio ranges from 1:1.4 to 1:7 freely
3) High intensity and long serving time
4) Convenient to regulate speed
5) Continuously workable, bidirectional working direction,smooth running,

stable, and quiet
6) Fully sealed and suitable to any environment
7) Compact structure, small size
8) High quality aluminum alloy die-cast, elegant shape, light weight and non-rusting
9) Good adaptability: can be combined with all kinds of reducers to achieve low
stepless speed changing
10) Input power: 0.18-7.5kW

Layout:	Cycloidal
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Step:	Stepless
Type:	Planetary Gear Box
Output Speed:	1000-200r/M

Customization:	Available \| Customized Request

helical gearbox

Cyclone Gearbox Vs Involute Gearbox

Whether you’re using a cycloidal gearbox or an involute gearbox for your application, there are a few things you should know. This article will highlight some of those things, including: cycloidal gearbox vs involute gearbox, weight, compressive force, precision, and torque density.

Compressive force

Several studies have been carried out to analyze the static characteristics of gears. In this article, the authors investigate the structural and kinematic principles of a cycloidal gearbox. The cycloidal gearbox is a gearbox that uses an eccentric bearing inside a rotating frame. It has no common pinion-gear pair, and is therefore ideal for a high reduction ratio.
The purpose of this paper is to investigate the stress distribution on a cycloidal disc. Various gear profiles are investigated in order to study the load distribution and dynamic effects.
Cycloidal gearboxes are subject to compression and backlash, which require the use of proper ratios for the bearing rate and the TSA. The paper also focuses on the kinematic principles of the reducer. In addition, the authors use standard analysis techniques for the shaft/gear and the cycloidal disc.
The authors previously worked on a rigid body dynamic simulation of a cycloidal reducer. The analysis used a trochoidal profile on the cycloidal disc periphery. The trochoidal profile is obtained from a manufacturing drawing and takes into account the tolerances.
The mesh density in the cycloidal disc captures the exact geometry of the parts. It provides accurate contact stresses.
The cycloidal disc consists of nine lobes, which move by one lobe per rotation of the drive shaft. However, when the disc is rotated around the pins, the cycloidal disc does not move around the center of gravity. Therefore, the cycloidal disc shares torque load with five outer rollers.
A low reduction ratio in a cycloidal gearbox results in a higher induced stress in the cycloidal disc. This is due to the bigger hole designed to reduce the material inside the disc.

Torque density

Several types of magnetic gearboxes have been studied. Some magnetic gearboxes have a higher torque density than others, but they are still not able to compete with the mechanical gearboxes.
A new high torque density cycloidal magnetic gearbox using Halbach rotors has been developed and is being tested. The design was validated by building a CPCyMG prototype. The results showed that the simulated slip torque was comparable to the experimental slip torque. The peak torque measured was a p3 = 14 spatial harmonic, and it corresponds to the active region torque density of 261.4 N*m/L.
This cycloidal gearbox also has a high gear ratio. It has been tested to achieve a peak torque of 147.8 Nm, which is more than double the torque density of the traditional cycloidal gearbox. The design incorporates a ferromagnetic back-support that provides mechanical fabrication support.
This cycloidal gearbox also shows how a small diameter can achieve a high torque density. It is designed with an axial length of 50mm. The radial deflection forces are not serious at this length. The design uses a small air gap to reduce the radial deflection forces, but it is not the only design option.
The trade-off design also has a high volumetric torque density. It has a smaller air gap and a higher mass torque density. It is feasible to make and mechanically strong. The design is also one of the most efficient in its class.
The helical gearing design is a newer technology that brings a higher level of precision to a cycloidal gearbox. It allows a servomotor to handle a heavy load at high cycle rates. It is also useful in applications that require smaller design envelopes. helical gearbox

Weight

Compared to planetary gearboxes, the weight of cycloidal gearboxes is not as significant. However, they do provide some advantages. One of the most significant features is their backlash-free operation, which helps them deliver smooth and precise movement.
In addition, they provide high efficiency, which means that servo motors can run at higher speeds. The best part is that they do not need to be stacked up in order to achieve a high ratio.
Another advantage of cycloidal gearboxes is that they are usually less expensive than planetary gearboxes. This means that they are suitable for the manufacturing industry and robotics. They are also suited for heavy-duty robots that require a robust gearbox.
They also provide a better reduction ratio. Cycloidal gears can achieve reduction ratios from 30:1 to 300:1, which is a huge improvement over planetary gears. However, there are few models available that provide a ratio below 30:1.
Cycloidal gears also offer more resistance to wear, which means that they can last longer than planetary gears. They are also more compact, which helps them achieve high ratios in a smaller space. The design of cycloidal gears also makes them less prone to backlash, which is one of the major shortcomings of planetary gearboxes.
In addition, cycloidal gears can also provide better positioning accuracy. In fact, this is one of the primary reasons for choosing cycloidal gears over planetary gears. This is because the cycloid disc rotates around a bearing independently of the input shaft.
Compared to planetary gearboxes, cycloidal gears are also much shorter. This means that they provide the best positioning accuracy. They are also 50% lighter, meaning that they have a smaller diameter.

Precision

Several experts have studied the cycloidal gearbox in precision reducers. Their research mainly focuses on the mathematical model and the method for precision evaluation of cycloidal gears.
The traditional modification design of cycloidal gears is mainly realized by setting various machining parameters and center position of the grinding wheel. But it has some disadvantages because of unstable meshing accuracy and uncontrollable tooth profile curve shape.
In this study, a new method of modification design of cycloidal gears is proposed. This method is based on the calculation of meshing backlash and pressure angle distribution. It can effectively pre-control the transmission accuracy of cycloid-pin gear. It can also ensure good meshing characteristics.
The proposed method can be applied in the manufacture of rotary vector reducers. It is also applicable in the precision reducer for robots.
The mathematical model for cycloidal gears can be established with the pressure angle a as a dependent variable. It is possible to calculate the pressure angle distribution and the profile pressure angle. It can also be expressed as DL=f(a). It can be applied in the design of precision reducers.
The study also considers the root clearance, the backlash of gear teeth and the profile angle. These factors have a direct effect on the transmission performance of cycloidal gear. It also indicates the higher motion accuracy and the smaller backlash. The modified profile can also reflect the smaller transmission error.
In addition, the proposed method is also based on the calculation of lost motion. It determines the angle of first tooth contacts. This angle is an important factor affecting the modification quality. The transmission error after the second cycloid method is the least.
Finally, a case study on the CZPT RV-35N gear pair is shown to prove the proposed method. helical gearbox

Involute gears vs cycloidal gears

Compared to involute gears, cycloidal gears have a lower noise, less friction, and last longer. However, they are more expensive. Cycloidal gears can be more difficult to manufacture. They may be less suitable for certain applications, including space manipulators and robotic joints.
The most common gear profile is the involute curve of a circle. This curve is formed by the endpoint of an imaginary taut string unwinding from the circle.
Another curve is the epicycloid curve. This curve is formed by the point rigidly attached to the circle rolling over another circle. This curve is difficult to produce and is much more expensive to produce than the involute curve.
The cycloid curve of a circle is also an example of the multi-cursor. This curve is generated by the locus of the point on the circle’s circumference.
The cycloid curve has the same diameter as the involute curve, but is tangentially curving along the circle’s diameter. This curve is also classified as ordinary. It has several other functions. The FE method was used to analyze the strain state of cycloidal speed reducers.
There are many other curves, but the involute curve is the most widely used gear profile. The involute curve of a circle is a spiraling curve traced by the endpoint of an imaginary tautstring.
Involute gears are a lot like a set of Lego blocks. They are a lot of fun to play with. They also have a lot of advantages. For example, they can handle center sifts better than cycloidal gears. They are also much easier to manufacture, so the cost of involute teeth is lower. However, they are obsolete.
Cycloidal gears are also more difficult to manufacture than involute gears. They have a convex surface, which leads to more wear. They also have a simpler shape than involute gears. They also have less teeth. They are used in rotary motions, such as in the rotors of screw compressors.
China Good quality Udl0.37 Speed Variator Motor Speed Variator Gearbox planetary gears gear ratio
editor by CX 2023-04-26

China Aluminum Gear Reductor Iron Housing Transmission Drive Motor Shaft Nmrv Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Reduce Gearbox cycloidal gear reducer design

Error:获取session失败，

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Machinery, Marine, Agricultural Machinery
Function:	Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout:	Right Angle

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

How to Calculate Transmission Ratio for a Cycloidal Gearbox

Dynamic and inertial effects

Transmission ratio calculation

Application

Whether you’re building a robot drive or you’re simply looking for a gearbox to reduce the speed of your vehicle, a cycloidal gearbox is a great way to achieve a high reduction ratio. Cycloidal gearboxes are a low-friction, lightweight design that has an extremely stable transmission. They are suitable for industrial robots and can be used in many applications, including positioning robots.
Cycloidal gearboxes reduce speed by using eccentric motion. The eccentric motion enables the entire internal gear to rotate in wobbly cycloidal motion, which is then translated back into circular rotation. This eliminates the need for stacking gear stages. Cycloidal gearboxes also have less friction, higher strength, and greater durability than conventional gearboxes.
The cycloidal gearbox is also used in a number of applications, including marine propulsion systems, and robot drives. Cycloidal gearboxes reduce vibration by using offset gearing to cancel out vibrations.
Cycloidal gears have lower friction, higher strength, and better torsional stiffness than involute gears. They also have a reduced Hertzian contact stress, making them better than involute gears for use with shock loads. They also have a smaller size and weight than conventional gearboxes, and they have a higher reduction ratio than involute gears.
Cycloidal gears are typically used to reduce the speed of motors, but they also offer a number of other advantages. Cycloidal gearboxes have a smaller footprint than other gearboxes, allowing them to fit into confined spaces. They also have low backlash, allowing for precise movement. Cycloidal gears have a higher efficiency, resulting in lower power requirements and lower wear.
The cycloidal disc is one of the most important components of the gearbox. Cycloidal discs are normally designed with a short cycloid, which minimizes the eccentricity of the disc. They are also designed with a shortened flank, resulting in better strength and less stress concentration. Cycloidal discs are typically geared to a stationary ring gear. The cycloid is designed to roll around the stationary ring pins, which push against the circular holes in the disc. Cycloidal gearboxes typically employ two degrees of shift.
Cycloidal drives are ideal for heavy load applications. They also have high torsional stiffness, which makes them highly resistant to shock loads. Cycloidal drives also offer a high reduction ratio, which can be achieved without the need for a large input shaft. They are also compact and have a high service life.
The output shaft of a cycloidal gearbox always has two degrees of shifting, which ensures that the input and output shafts always rotate at a different speed. The output shaft would be a pin casing around the drive disks, which would also allow for easy maintenance.
Cycloidal gearboxes are also very compact and lightweight, so they are ideal for use in industrial robots. The cycloidal gearbox reducer is the most stable, low-vibration reducer in industrial robots, and it has a wide transmission ratio range.
China Aluminum Gear Reductor Iron Housing Transmission Drive Motor Shaft Nmrv Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Reduce Gearbox cycloidal gear reducer design
editor by CX 2023-04-11

item	value
Warranty	1 calendar year
Applicable Industries	Hotels, Constructing Content Shops, Producing Plant, Equipment Fix Shops, Foods & Beverage Factory, Farms, Home Use, Retail, Printing Retailers, Construction operates , Vitality & A100 Lengthy TAIL PEQUE PEQUE BOAT PROPELLER FOR 8-16HP Engine Mining, Foods & Beverage Stores, Other, Marketing Firm
Weight (KG)	150KG
Customized assistance	OEM, ODM, OBM
Gearing Arrangement	Helical
Output Torque	3.5-56845N.m
Input Pace	0-3000rpm/min
Output Velocity	0.1-356rpm/min
Place of Origin	China
	ZheJiang
Brand Title	KOOD
Product identify	R Series Parallel Shaft Helical Equipment Reducer
Output Torque	3.5-56845N.m
Output Velocity	0.1-356rpm/min
Input Speed	0-3000rpm/min
Input electricity	0.twelve-250kw
Mounting Situation	Foot Mounted. Flange Mounted
Ratio	3.seventy seven~281.seventy one
Gearing Arrangement	Helical
Reduction ratio	68
Hardness of Tooth Surface area	Tooth area hardness

Product Description

A Mathematical Model of a Cycloid Gearbox

Basic design principles

Low friction

Compact

High reduction ratios

Reducing amplitude of the vibration

Robust against shock loads

Inertial effects

Product Description

The Cyclonoidal Gearbox

Dynamic and inertial effects of a cycloidal gearbox

Kinematics of a cycloidal drive

Comparison with planetary gearboxes

Product Description

ExhibitionCertificate

How to Calculate Transmission Ratio for a Cycloidal Gearbox

Dynamic and inertial effects

Transmission ratio calculation

Application

Product Description

A Mathematical Model of a Cycloid Gearbox

Basic design principles

Low friction

Compact

High reduction ratios

Reducing amplitude of the vibration

Robust against shock loads

Inertial effects

Product Description

The Advantages of Using a Cyclone Gearbox

Transmission ratio

Compressive force

Rotational direction

Design

Sizing and selection

Product Description

A Mathematical Model of a Cycloid Gearbox

Basic design principles

Low friction

Compact

High reduction ratios

Reducing amplitude of the vibration

Robust against shock loads

Inertial effects

Product Description

Condition Monitoring of Cyclone Gearboxes

Planetary gearboxes

Involute gears

Vibrations

Design

Product Description

Cyclone Gearbox Vs Involute Gearbox

Compressive force

Torque density

Weight

Precision

Involute gears vs cycloidal gears

How to Calculate Transmission Ratio for a Cycloidal Gearbox

Dynamic and inertial effects

Transmission ratio calculation

Application

Types of Vehicle Gearboxes

planetary gearbox

Straight bevel helical gearbox

Coaxial helical gearbox

Skew bevel helical gearbox

Extruder helical gearbox

Exhibition

Certificate