Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Model Instruction
GB090-10-P2
| GB | 090 | 571 | P2 |
| Reducer Series Code | External Diameter | Reduction Ratio | Reducer Backlash |
| GB:High Precision Square Flange Output
GBR:High Precision Right Angle Square Flange Output GE:High Precision Round Flange Output GER:High Precision Right Round Flange Output |
050:ø50mm 070:ø70mm 090:ø90mm 120:ø120mm 155:ø155mm 205:ø205mm 235:ø235mm 042:42x42mm 060:60x60mm 090:90x90mm 115:115x115mm 142:142x142mm 180:180x180mm 220:220x220mm |
571 means 1:10 | P0:High Precision Backlash
P1:Precison Backlash P2:Standard Backlash |
Main Technical Performance
| Item | Number of stage | Reduction Ratio | GB042 | GB060 | GB060A | GB090 | GB090A | GB115 | GB142 | GB180 | GB220 |
| Rotary Inertia | 1 | 3 | 0.03 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.61 | ||
| 4 | 0.03 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.37 | ||||
| 5 | 0.03 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.27 | ||||
| 6 | 0.03 | 0.13 | 0.45 | 2.65 | 7.25 | 22.75 | 51.72 | ||||
| 7 | 0.03 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.97 | ||||
| 8 | 0.03 | 0.13 | 0.44 | 2.58 | 7.07 | 22.59 | 50.84 | ||||
| 9 | 0.03 | 0.13 | 0.44 | 2.57 | 7.04 | 22.53 | 50.63 | ||||
| 10 | 0.03 | 0.13 | 0.44 | 2.57 | 7.03 | 22.51 | 50.56 | ||||
| 2 | 15 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | |
| 20 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 25 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 30 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 35 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 40 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 45 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 50 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 60 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 70 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 80 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 90 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 100 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 |
| Item | Number of stage | GB042 | GB060 | GB060A | GB90 | GB090A | GB115 | GB142 | GB180 | GB220 | |
| Backlash(arcmin) | High Precision P0 | 1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |||
| 2 | ≤3 | ≤3 | ≤3 | ≤3 | |||||||
| Precision P1 | 1 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | |
| 2 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| Standard P2 | 1 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| 2 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Torsional Rigidity(N.M/arcmin) | 1 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | |
| 2 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | ||
| Noise(dB) | 1,2 | ≤56 | ≤58 | ≤58 | ≤60 | ≤60 | ≤63 | ≤65 | ≤67 | ≤70 | |
| Rated input speed(rpm) | 1,2 | 5000 | 5000 | 5000 | 4000 | 4000 | 4000 | 3000 | 3000 | 2000 | |
| Max input speed(rpm) | 1,2 | 10000 | 10000 | 10000 | 8000 | 8000 | 8000 | 6000 | 6000 | 4000 | |
Noise test standard:Distance 1m,no load.Measured with an input speed 3000rpm
| Application: | Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
The Basics of a Cyclone Gearbox
Besides being compact, cycloidal speed reducers also offer low backlash and high ratios. Because of the small size of the drive, they are ideal for applications where space is a problem.
Involute gear tooth profile
Almost all gears use an involute gear tooth profile. This profile has a single curve, which means that the gear teeth do not have to be aligned closely with each other. This profile is smooth and can be manufactured easily.
Cycloid gears have a combination of epicycloid and hypocycloid curves. This makes them stronger than involute gear teeth. However, they can be more expensive to manufacture. They also have larger reduction ratios. They transmit more power than involute gears. Cycloid gears can be found in clocks.
When designing a gear, you need to consider several factors. Some of these include the number of teeth, the tooth angle and the lubrication type. Having a gear tooth that is not perfectly aligned can result in transmission error, noise and vibration.
The tooth profile of an involute gear is usually considered the best. Because of this, it is used in a wide variety of gears. Some of the most common applications for this profile are power transmission gears. However, this profile is not the best for every application.
Cycloid gears require more complex manufacturing processes than involute gear teeth. This can cause a larger tooth cost. Cycloid gears are used for less noisy applications.
Cycloid gears also transmit more power than involute gears. This can cause problems if the radii change tangentially. However, the shape is more simple than involute gears. Involute gears can handle centre sifts better.
Cycloid gears are less susceptible to transmission error. Cycloid gears have a convex surface, which makes them stronger than involute teeth. Cycloid gears also have a larger reduction ratio than involute gears. Cycloid teeth do not interfere with the mating teeth. However, they have a smaller number of teeth than involute teeth.
Rotation on the inside of the reference pitch circle of the pins
Whether a cycloidal gearbox is designed for stationary or rotating applications, the fundamental law of gearing must be observed: The ratio of angular velocities must be constant. This requires the rotation on the inside of the reference pitch circle of the pins to be constant. This is achieved through a series of cycloidal teeth, which act like tiny levers to transmit motion.
A cycloidal disc has N lobes which are rotated by three lobes per rotation around N pins. The number of lobes on a cycloidal disc is a significant factor in determining the transmission ratio.
A cycloidal disc is driven by an eccentric input shaft which is mounted to an eccentric bearing within an output shaft. As the input shaft rotates, the cycloidal disc moves around the pins of the pin disc.
The drive pin rotates at a 40 deg angle while the cycloidal disc rotates on the inside of the reference pitch circle of pins. As the drive pin rotates, it will slow the output motion. This means that the output shaft will complete only three revolutions with the input shaft, as opposed to nine revolutions with the input shaft.
The number of teeth on a cycloidal disc must be small compared to the number of surrounding pins. The disc must also be constructed with an eccentric radius. This will determine the size of the hole which will be required for the pin to fit between the pins.
When the input shaft is turned, the cycloidal disc will rotate on the inside of the reference pitch circle of roller pins. This will then transmit motion to the output shaft. The output shaft is supported by two bearings in an output housing. This design has low wear and torsional stiffness.
Transmission ratio
Choosing the right transmission ratio of cycloidal gearbox isn’t always easy. You might need to know the size of your gearbox before you can make an educated choice. You may also need to refer to the product catalog for guidance. For example, CZPT gearboxes have some unique ratios.
A cycloidal gear reducer is a compact and high-speed torque transmission device that reverses the direction of angular movement of the follower shaft. It consists of an eccentric cam positioned inside a cycloidal disc. Pin rollers on the follower shaft fit into matching holes in the cycloidal disc. In the process, the pins slide around the holes, in response to wobbling motion. The cycloidal disc is also capable of engaging the internal teeth of a ring-gear housing.
A cycloidal gear reducer can be used in a wide variety of applications, including industrial automation, robotics and power transmissions on boats and cranes. A cycloidal gear reducer is ideally suited for heavy duty applications with large payloads. They require specialized manufacturing processes, and are often used in equipment with precise output and high efficiency.
The cycloidal gear reducer is a relatively simple structure, but it does require some special tools. Cycloid gear reducers are also used to transmit torque, which is one of the reasons they are so popular in automation. Using a cycloidal gear reducer is a good choice for applications that require higher efficiency and lower backlash. It is also a good choice for applications where size is a concern. Cycloid gears are also a good choice for applications where high speed and high torque are required.
The transmission ratio of cycloidal gearbox is probably the most important function of a gearbox. You need to know the size of your gearbox and the type of gears it contains in order to make the right choice.
Vibration reduction
Considering the unique dynamics of a cycloidal gearbox, vibration reduction measures are required for a smooth operation. These measures can also help with the detection of faults.
A cycloidal gearbox is a gearbox with an eccentric bearing that rotates the center of the gears. It shares torque load with five outer rollers at any given time. It can be applied in many applications. It is a relatively inexpensive asset. However, if it fails, it can have significant economic impacts.
A typical input/output gearbox consists of a ring plate and two cranks mounted on the input shaft. The ring plate rotates when the input shaft rotates. There are two bearings on the output shaft.
The ring plate is a major noise source because it is not balanced. The cycloidal gear also produces noise when it meshes with the ring plate. This noise is generated by structural resonance. Several studies have been performed to solve this problem.
However, there is not much documented work on the condition monitoring of cycloidal gearboxes. In this article, we will introduce modern techniques for vibration diagnostics.
A cycloidal gearbox with a reduced reduction ratio has higher induced stresses in the cycloidal disc. In this case, the size of the output hole is larger and more material is removed from the cycloidal disc. This increase in the disc’s stresses leads to higher vibration amplitudes.
The load distribution along the width of the gear is an important design criterion. Using different gear profiles can help to optimize the transmission of torque. The contact stress of the cycloidal disc can also be investigated.
To determine the amplitude of the noise, the frequency of the gear mesh is multiplied by the shaft rate. If the RPM is relatively stable, the frequency can be used as a measure of magnitude. However, this is only accurate at close to failure.
Comparison with planetary gearboxes
Several differences exist between cycloidal gearboxes and planetary gearboxes. They are related to gear geometry and manufacturing processes. Among them, there are:
– The output shaft of a cycloidal gearbox has a larger torque than the input shaft. The rotational speed of the output shaft is lower than the input shaft.
– The cycloid gear disc rotates at variable velocity, while the planetary gear has a fixed speed. Consequently, the cycloid disc and output flange transmission accuracy is lower than that of the planetary gears.
– The cycloidal gearbox has a larger gripping area than the planetary gear. This is an advantage of the cycloidal gearbox in that it can handle larger loads.
– The cycloid profile has a significant impact on the quality of contact meshing between the tooth surfaces. The width of the contact ellipses increases by 90%. This is a result of the elimination of undercuts of the lobes. In this way, the contact force on the cycloid disc is decreased significantly.
– The cycloid drive has lower backlash and high torsional stiffness. This allows a cycloidal drive to be more stable against shock loads. The cycloid drive is also a compact design, which is ideally suited for applications with large transmission ratios.
– The output hub of the cycloid gearbox has movable pins and rollers. These components are attached to the ring gear in the outer gearbox. The output shaft is also turned by the planet carrier. The output hub of the cycloid system is composed of two parts: the ring gear and the output flange.
– The input shaft of a cycloidal gearbox is connected to a servomotor. The input shaft is a cylindrical element that is fixed to the planet carrier.
editor by CX 2023-10-20
China factory Lost Motion Less Than 1 Arc. Min High Stiffness Agricultural Gearbox for 1500W Servo Motor cycloidal gear advantages
Product Description
Product Description
Lost motion less than 1 arc.min high stiffness agricultural gearbox for 1500W servo motor
WF series agricultural gearbox 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
Lost motion less than 1 arc.min high stiffness agricultural gearbox for 1500W servo motor
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 |
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| Application: | Motor, Machinery, Agricultural Machinery, Humanoid Robot |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Customization: |
Available
| Customized Request |
|---|
How to Use a Cyclone Gearbox
Often, a cycloidal gearbox is used in order to achieve a torque transfer from a motor or pump. This type of gearbox is often a common choice as it has a number of advantages over a regular gearbox. Its main advantage is that it is easy to make, which means that it can be incorporated into a variety of applications. However, if you want to use a cycloidal gearbox, there are a few things that you need to know. These include the operation principle, the structure and the dynamic and inertial effects that come with it.
Dynamic and inertial effects
Several studies have been carried out on the static and dynamic properties of cycloidal gears. The study of these effects is beneficial in assisting optimal design of cycloidal speed reducers.
In this paper, the dynamic and inertial effects of a two-stage cycloidal speed reducer have been investigated using the CZPT program package. Moreover, a new model for cycloidal reducers based on non-linear contact dynamics has been developed. The new model aims to predict several operational conditions.
The normal excitation contact force for the cycloid discs of the first and second stage is very similar. However, the total deformation at the contact point is different. This effect is mainly due to the system’s own oscillations. The cycloid discs of the second stage turn around the ring gear roller with a 180deg angle. This angle is a significant contributor to the torque loads. The total excitation force on the cycloid discs of first and second stage is 1848 N and 2068.7 N, respectively.
In order to analyze the contact stress, different gear profiles were investigated. The mesh density was considered as an important design criterion. It was found that a bigger hole reduces the material content of the cycloidal disc and results in more stresses.
Moreover, it is possible to reduce the contact forces in a more efficient manner by changing the geometric parameters. This can be done by mesh refinement along the disc width. The cycloidal disc has the greatest influence on the output results.
The efficiency of a cycloidal drive increases with the increase in load. The efficiency of a cycloidal reducer also depends on the eccentricity of the input shaft and the cycloidal plate. The efficiency curve for small loads is linear. However, for the larger loads, the efficiency curve becomes more non-linear. This is because the stiffness of the cycloid reducer increases as the load increases.
Structure
Despite the fact that it looks like a complicated engineering puzzle, the construction of a cycloidal gearbox is actually quite simple. The key elements are the base, the load plate and the thrust bearing. All these elements work together to create a stable, compact gearbox.
The base is a circular section with several cylindrical pins around its outer edge. The pins are fixed on a fixed ring that holds them in a circular path. The ring serves as a reference circle. The circle’s size is approximately 5mm in diameter.
The load plate is a series of threaded screw holes. These are arranged 15mm away from the center. These are used to anchor external structures. The load plate must be rotated around the X and Y axis.
The thrust bearing is placed on top of the load plate. The bearing is made of an internal diameter of 35mm and an external diameter of 52mm. It is used to allow rotation around the Z axis.
The cycloidal disc is the centerpiece of the cycloidal gearbox. The disc has holes for the pins that drive the output shaft. The holes are larger than those used in output roller pins. The disc also has a reduced eccentricity.
The pins are attached to the cycloidal disc by rolling pins. The pins are made of a material that provides mechanical support for the drive during high-torque situations. The pins have a 9mm external diameter. The disc has a number of lobes and is rotated by one lobe per shaft revolution.
The cycloidal gearbox also has a top cover that helps keep the components together. The cover has a pocket for tools. The top cover also has threads that screw into the casing.
Operation principle
Among many types of gear transmissions, cycloidal gearboxes are used in heavy machinery and multi-axis robots. They are highly effective, compact and capable of high ratios. In addition, they have an overload capability.
Cycloid disks are driven by eccentric shafts that rotate around fixed ring pins. Roller pins of the pin disc engage with holes in the cycloidal disc. These roller pins drive the pin disc and the pin disc transfers the motion to the output shaft.
Unlike conventional gear drives, cycloidal drives have low backlash and high torsional stiffness. They are ideally suited to heavy loads and all drive technologies. The lower mass and compact design of the cycloidal disk also contributes to its high efficiency and positioning accuracy.
The cycloidal disc plays a central role in the gearbox kinematics. It rotates around a fixed ring in a circle. When the disc is pushed against the ring gear, the pins engage with the disc and the roller pins rotate around the pins. This rotating motion generates vibration, which travels through the driven shafts.
Cycloid discs are typically designed with a short cycloid, so that the eccentricity is minimized. This reduces unbalance forces at high speeds. Ideally, the number of lobes on the cycloid is smaller than the number of surrounding pins. This reduces the amount of Hertzian contact stress.
Unlike planetary gears, cycloidal gears have high accuracy and are capable of withstanding shock loads. They also experience low friction and less wear on tooth flanks. They also have higher efficiency and load capacity.
Cycloid gears are generally more difficult to manufacture than involute gears. Cycloid gears are not suitable for stacking gear stages. They require extreme accuracy for manufacturing. However, their smaller size and low backlash, high torsional stiffness, and low vibration make them ideal for use in heavy machines.
Involute gear tooth profile
Almost all gears are manufactured with an involute gear tooth profile. Cycloid gears are also produced with this profile. Compared with involute gears, cycloid gears are stronger and can transmit more power. However, they can also be more difficult to manufacture. This makes them costlier.
The involute gear tooth profile is a smooth curve. It is derived from the involute curve of a circle. A tangent to the base circle is the normal at any point of an involute.
This curve has properties that allow the involute gear teeth to transfer motion in perpendicular direction. It is also the path traced by the end of the string unwrapping from a cylinder.
An involute profile has the advantage of being easy to manufacture. It also allows for smooth meshing despite misalignment of the centre distance. This profile is also preferred over a cycloid tooth profile, but it is not the best in every regard.
Cycloid gear teeth are also made of two curves. Unlike involute teeth, cycloid gear teeth have a consistent radius. Cycloid gears are less likely to produce noise. But they are also more expensive to manufacture.
Involute teeth are easier to manufacture because they have only one curve. Cycloid gears can also be made with a rack type cutter. This makes them cheaper to manufacture. However, they require an expert design. They can also be manufactured with a gear shaper that includes a pinion cutter.
The tooth profiles that satisfy the law of gear-tooth action are sometimes called conjugate profiles. The involute profile is the most common of these. It allows for constant torque transmission.
Backlash
Typically, cycloidal drives provide a high ratio of transmission with no backlash. This is because the cycloid disc is driven by an eccentric shaft. During rotation, the cycloid disc rotates around a fixed ring. This ring also rotates independently of the center of gravity.
The cycloid disc is typically shortened to reduce the eccentricity. This helps to minimize the unbalance forces that may occur at high speeds. The cycloid also offers a larger gear ratio than traditional gears. This provides a better positional accuracy.
Cycloid drives also have a high torsional stiffness. This provides greater torsional resilience and shock load capabilities. This is important for a number of reasons, such as in heavy-duty applications.
Cycloid drives also have lower mass. These benefits make them ideally suited for all drive technologies. The design also allows for higher torsional stiffness and service life. These drives also have a much smaller profile.
Cycloid drives are also used to reduce speed. Because of the high torsional stiffness of the cycloid, they also have high positioning accuracy.
Cycloid drives are well-suited to a variety of applications, including electric motors, generators, and pump motors. They are also highly resistant to shock loads, which is important in a variety of applications. This design is ideal for applications that require a large transmission ratio in a compact design.
Cycloid drives also have the advantage of minimizing the clearance between the mating components. This helps to eliminate interference and ensure a positive fit. This is particularly important in gearboxes. It also allows for the use of a load cell and potentiometer to determine the backlash of the gearbox.
editor by CX 2023-06-01
China factory High Load Capacity Speed Variator & Transfer Gearbox for Flange 60mm Servo Motor cycloidal gear advantages
Product Description
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.
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
high load capacity speed variator & transfer gearbox for flange 60mm servo motor
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.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated |
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| Application: | Motor, Machinery, Agricultural Machinery, Humanoid Robot |
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| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Customization: |
Available
| Customized Request |
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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.
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.
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.
editor by CX 2023-05-09
China supplier High Precision Low Backlash Helical Gear Planetary Electric AC Geared Reducer Precision Planetary Gearbox for Servo Motor precision cycloidal gearbox
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Model Instruction
GB090-10-P2
| GB | 090 | 571 | P2 |
| Reducer Series Code | External Diameter | Reduction Ratio | Reducer Backlash |
| GB:High Precision Square Flange Output
GBR:High Precision Right Angle Square Flange Output GE:High Precision Round Flange Output GER:High Precision Right Round Flange Output |
050:ø50mm 070:ø70mm 090:ø90mm 120:ø120mm 155:ø155mm 205:ø205mm 235:ø235mm 042:42x42mm 060:60x60mm 090:90x90mm 115:115x115mm 142:142x142mm 180:180x180mm 220:220x220mm |
571 means 1:10 | P0:High Precision Backlash
P1:Precison Backlash P2:Standard Backlash |
Main Technical Performance
| Item | Number of stage | Reduction Ratio | GB042 | GB060 | GB060A | GB090 | GB090A | GB115 | GB142 | GB180 | GB220 |
| Rotary Inertia | 1 | 3 | 0.03 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.61 | ||
| 4 | 0.03 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.37 | ||||
| 5 | 0.03 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.27 | ||||
| 6 | 0.03 | 0.13 | 0.45 | 2.65 | 7.25 | 22.75 | 51.72 | ||||
| 7 | 0.03 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.97 | ||||
| 8 | 0.03 | 0.13 | 0.44 | 2.58 | 7.07 | 22.59 | 50.84 | ||||
| 9 | 0.03 | 0.13 | 0.44 | 2.57 | 7.04 | 22.53 | 50.63 | ||||
| 10 | 0.03 | 0.13 | 0.44 | 2.57 | 7.03 | 22.51 | 50.56 | ||||
| 2 | 15 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | |
| 20 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 25 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 30 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 35 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 40 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 45 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 50 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 60 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 70 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 80 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 90 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 100 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 |
| Item | Number of stage | GB042 | GB060 | GB060A | GB90 | GB090A | GB115 | GB142 | GB180 | GB220 | |
| Backlash(arcmin) | High Precision P0 | 1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |||
| 2 | ≤3 | ≤3 | ≤3 | ≤3 | |||||||
| Precision P1 | 1 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | |
| 2 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| Standard P2 | 1 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| 2 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Torsional Rigidity(N.M/arcmin) | 1 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | |
| 2 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | ||
| Noise(dB) | 1,2 | ≤56 | ≤58 | ≤58 | ≤60 | ≤60 | ≤63 | ≤65 | ≤67 | ≤70 | |
| Rated input speed(rpm) | 1,2 | 5000 | 5000 | 5000 | 4000 | 4000 | 4000 | 3000 | 3000 | 2000 | |
| Max input speed(rpm) | 1,2 | 10000 | 10000 | 10000 | 8000 | 8000 | 8000 | 6000 | 6000 | 4000 | |
Noise test standard:Distance 1m,no load.Measured with an input speed 3000rpm
| Application: | Machinery, Agricultural Machinery |
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| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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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.
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.
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.
editor by CX 2023-04-28
China High Precision Low Noise Helical Gear Right Angle Planetary Speed Reducer Gearbox For Servo Motor with Best Sales
Warranty: 1 year
Applicable Industries: Manufacturing Plant, Food & Beverage Factory, Energy & Mining, Hotels, Garment Shops, Building Material Shops, Machinery Repair Shops, Farms, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works , Food & Beverage Shops, Other, Advertising Company, Other
Weight (KG): 2.5 KG
Customized support: OEM, ODM
Gearing Arrangement: Cycloidal
Output Torque: 50~6000Nm, 19-91.3N.M
Input Speed: 300-1800Rpm, 3000 RPM
Output Speed: 5–65 r/min, 37-1000 RPM
Certification: ISO9001
Product Name: Planetary Gear Speed Reducer Reduction Gearbox
Application: Robotic
Ratio: 3:1-81:1
Keywords: Planetary Gearbox
Packaging Details: Conservation:anti rust oiler inside and outside surface,plastic caps in both ends.Package:bundle with steel strip and knitting strip,or wooden case.
Port: ZheJiang
Details Images 1. Use Ansys Technology To Perform Finite Element Analysis On The Strength Of The Gears, And At The Same Time, Trim The Tooth Profile And Lead Of The Helical Tooth Surface To Reduce The Impact And Noise During Gear Meshing And Increase The Service Life Of The Gear Train.Life;2. The Gear Material Is Made Of High-quality Low-carbon Alloy Steel. After Carburizing And Quenching, It Reaches About Hrc60. It Is Processed By High-precision Machine Tools To Ensure That The Accuracy Of The Gear Is Below Iso 5, So As To Obtain The Best Quality.Abrasion And Impact Resistance;3. The Ring Gear And The Output Flange Are Designed In An Integrated Manner, Using High-quality Steel And Formed By Hot Forging, So As To Obtain A High Material Density. The Integrated Design Can Ensure That All Geometric Dimensions Can Be Formed At One Time, And OtherCompared With The Built-in And Clip-on Structures, It Has Higher Precision And Strength;4. The Planetary Wheel Bearing Adopts Full Needle Roller Bearing Without Cage, Which Increases The Output Torque And Rigidity Of The Reducer;5. The Cage-type Planet Carrier And The Output Shaft Are Integrated, And The Bearings At Both Ends Are Supported To Ensure Higher Strength And Precision;6. The Input Shaft And The Motor Are Clamped By Split Type, After Dynamic Balance Test, To Ensure The Coaxiality And Zero Backlash Power Transmission At High Input Speed;7. Use Fully Synthetic Grease And Seal Design According To Ip65 Protection Grade To Ensure That The Lubricating Oil Does Not Leak And Is Maintenance-free.
| High Precision Low Noise Helical Gear Right Angle Planetary Speed Reducer Gearbox For Servo Motor | ||||
| Stage | One Stage | Two Stage | ||
| Reduction Ratio | 3,4,5,8,10 | 16,20,25,28,32,40,50 | ||
| Length | A80 | A89 | ||
| Rated Input Speed | 3000 | 3000 | ||
| Maximum Input Speed | 4500 | 4500 | ||
| Maximum Radial Force | 280 | 320 | ||
| Maximum Axial Force | 200 | 240 | ||
| No-load Torque | 0.2 | 0.2 | ||
| Full Load Efficiency | 90 | 88 | ||
| Return Clearance | ≤7 | ≤10 | ||
| Noise | ≤62 | ≤62 | ||
| Weight | 0.7 | 1 | ||
| Average Lifespan | 20000 | |||
| Torsional Rigidity | 1.3 | |||
| Lubrication Method | long-term | |||
| Turn Around | Input/Output Syntropy | |||
| Protection Level | IP65 | |||
| Installation Method | Arbitrairily | |||
Types of Gearboxes
There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.
planetary gearbox
The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?
helical gearbox
The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.
helical gear reducer
A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.
Continuously variable transmission
A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.
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The Benefits of Using a Gear Motor
A gear motor works on the principle of conservation of angular momentum. As the smaller gear covers more RPM and the larger gear produces more torque, the ratio between the two is greater than one. Similarly, a multiple gear motor follows the principle of energy conservation, with the direction of rotation always opposite to the one that is adjacent to it. It’s easy to understand the concept behind gear motors and the various types available. Read on to learn about the different types of gears and their applications.
Electric motor
The choice of an electric motor for gear motor is largely dependent on the application. There are various motor and gearhead combinations available, and some are more efficient than others. However, it is critical to understand the application requirements and select a motor that meets these needs. In this article, we’ll examine some of the benefits of using a gear motor. The pros and cons of each type are briefly discussed. You can buy new gear motors at competitive prices, but they aren’t the most reliable or durable option for your application.
To determine which motor is best for your application, you’ll need to consider the load and speed requirements. A gear motor’s efficiency (e) can be calculated by taking the input and output values and calculating their relation. On the graph below, the input (T) and output (P) values are represented as dashed lines. The input (I) value is represented as the torque applied to the motor shaft. The output (P) is the amount of mechanical energy converted. A DC gear motor is 70% efficient at 3.75 lb-in / 2,100 rpm.
In addition to the worm gear motor, you can also choose a compact DC worm gear motor with a variable gear ratio from 7.5 to 80. It has a range of options and can be custom-made for your specific application. The 3-phase AC gear motor, on the other hand, works at a rated power of one hp and torque of 1.143.2 kg-m. The output voltage is typically 220V.
Another important factor is the output shaft orientation. There are two main orientations for gearmotors: in-line and offset. In-line output shafts are most ideal for applications with high torque and short reduction ratios. If you want to avoid backlash, choose a right angle output shaft. An offset shaft can cause the output shaft to become excessively hot. If the output shaft is angled at a certain angle, it may be too large or too small.
Gear reducer
A gear reducer is a special kind of speed reducing motor, usually used in large machinery, such as compressors. These reducers have no cooling fan and are not designed to handle heavy loads. Different purposes require different service factors. For instance, a machine that requires frequent fast accelerations and occasional load spikes needs a gear reducer with a high service factor. A gear reducer that’s designed for long production shifts should be larger than a machine that uses it for short periods of time.
A gear reducer can reduce the speed of a motor by a factor of two. The reduction ratio changes the rotation speed of the receiving member. This change in speed is often required to solve problems of inertia mismatch. The torque density of a gear reducer is measured in newton meters and will depend on the motor used. The first criterion is the configuration of the input and output shafts. A gear ratio of 2:1, for example, means that the output speed has been cut in half.
Bevel gear reducers are a good option if the input and output shafts are perpendicular. This type is very robust and is perfect for situations where the angle between two axes is small. However, bevel gear reducers are expensive and require constant maintenance. They are usually used in heavy-duty conveyors and farm equipment. The correct choice of gear reducer for gear motor is crucial for the efficiency and reliability of the mechanism. To get the best gear reducer for your application, talk to a qualified manufacturer today.
Choosing a gear reducer for a gear motor can be tricky. The wrong one can ruin an entire machine, so it’s important to know the specifics. You must know the torque and speed requirements and choose a motor with the appropriate ratio. A gear reducer should also be compatible with the motor it’s intended for. In some cases, a smaller motor with a gear reducer will work better than a larger one.
Motor shaft
Proper alignment of the motor shaft can greatly improve the performance and life span of rotating devices. The proper alignment of motors and driven instruments enhances the transfer of energy from the motor to the instrument. Incorrect alignment leads to additional noise and vibration. It may also lead to premature failure of couplings and bearings. Misalignment also results in increased shaft and coupling temperatures. Hence, proper alignment is critical to improve the efficiency of the driven instrument.
When choosing the correct type of gear train for your motor, you need to consider its energy efficiency and the torque it can handle. A helical geared motor is more efficient for high output torque applications. Depending on the required speed and torque, you can choose between an in-line and a parallel helical geared motor. Both types of gears have their advantages and disadvantages. Spur gears are widespread. They are toothed and run parallel to the motor shaft.
A planetary gear motor can also have a linear output shaft. A stepping motor should not operate at too high current to prevent demagnetization, which will lead to step loss or torque drop. Ensure that the motor and gearbox output shafts are protected from external impacts. If the motor and gearbox are not protected against bumps, they may cause thread defects. Make sure that the motor shafts and rotors are protected from external impacts.
When choosing a metal for your gear motor’s motor shaft, you should consider the cost of hot-rolled bar stock. Its outer layers are more difficult to machine. This type of material contains residual stresses and other problems that make it difficult to machine. For these applications, you should choose a high-strength steel with hard outer layers. This type of steel is cheaper, but it also has size considerations. It’s best to test each material first to determine which one suits your needs.
In addition to reducing the speed of your device, a geared motor also minimizes the torque generated by your machine. It can be used with both AC and DC power. A high-quality gear motor is vital for stirring mechanisms and conveyor belts. However, you should choose a geared motor that uses high-grade gears and provides maximum efficiency. There are many types of planetary gear motors and gears on the market, and it’s important to choose the right one.
First stage gears
The first stage gears of a gear motor are the most important components of the entire device. The motor’s power transmission is 90% efficient, but there are many factors that can affect its performance. The gear ratios used should be high enough to handle the load, but not too high that they are limiting the motor’s speed. A gear motor should also have a healthy safety factor, and the lubricant must be sufficient to overcome any of these factors.
The transmission torque of the gear changes with its speed. The transmission torque at the input side of the gear decreases, transferring a small torque to the output side. The number of teeth and the pitch circle diameters can be used to calculate the torque. The first stage gears of gear motors can be categorized as spur gears, helical gears, or worm gears. These three types of gears have different torque capacities.
The first stage helical gear is the most important part of a gear motor. Its function is to transfer rotation from one gear to the other. Its output is the gearhead. The second stage gears are connected by a carrier. They work in tandem with the first stage gear to provide the output of the gearhead. Moreover, the first stage carrier rotates in the same direction as the input pinion.
Another important component is the output torque of the gearmotor. When choosing a gearmotor, consider the starting torque, running torque, output speed, overhung and shock loads, duty cycles, and more. It is crucial to choose a gearmotor with the right ratio for the application. By choosing the proper gearmotor, you will get maximum performance with minimal operating costs and increase plant productivity. For more information on first stage gears, check out our blog.
The first stage of a gear motor is composed of a set of fixed and rotating sprockets. The first stage of these gears acts as a drive gear. Its rotational mass is a limiting factor for torque. The second stage consists of a rotating shaft. This shaft rotates in the direction of the torque axis. It is also the limiting force for the motor’s torque.
