Tag Archives: transmission gear

China Custom Durable Trc01-02-03-04 Power Transmission Helical Gearbox with Big Torque cycloidal gear advantages

Product Description

Features for SRC helical gearboxes reducers,

1.Larger output torque,stable transmission with lower noise,

2.Ommibearing installation available,

3.Aluminium alloy diecast,

4.Customising available for flange or shaft

Important information for SRC helical gear speed reducers, 

 

Input coupling Flange and shaft
Output coupling Flange and shaft
Foot mounted  Available for Motovario and CZPT foot mounted specs. The letter,B in the data sheet of foot code is for CZPT and M for Motovario
 Range of reduction ratios  3.74—51.30
 Motor power coupled  0.12—4KW
 Version

1.Flange coupled,shaft output,with foot mounted,marked as SRC…P

 

2.Shaft coupled and output,with foot mounted,marked as SRC…HS
 

 

3.Flange coupled,shaft output,no foot mounted,marked as SRCZ…P

 

4.Shaft coupled and output,no foot mounted,marked as SRCZ…HS

 

5.Flange coupled and output,no foot mounted,marked as SRCF…P

 

6.Shaft coupled,flange output,no foot mounted,marked as SRCF…HS

 

 

 

Shipping Cost:

Estimated freight per unit.



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Layout: Cycloidal
Hardness: Soft Tooth Surface
Installation: Vertical Type

helical gearbox

The Basics of Designing a Cyclone Gearbox

Compared to conventional gearboxes, the cycloidal gearbox offers a number of advantages including a higher ratio of transmission, robustness against shock loads, and greater positioning accuracy. However, designing a cycloidal gearbox can be complicated. This article will discuss some of the basic design principles. In addition, it will cover topics such as size, position accuracy, and transmission ratios.

Basic design principles

Unlike a conventional ring gear, a cycloidal gearbox uses a cycloidal disc to provide torque multiplication. The output direction of the cycloidal gear disc is opposite to the rotation of the input shaft. This allows for more compact gear construction. It also allows for increased load capacity.
Cycloid drive kinematics can appear complex, but they are actually quite simple. Instead of rotating around the center of gravity like conventional gears, the cycloidal disc rotates around fixed pins. This provides a higher reduction ratio.
To reduce vibrations and noise, multiple cycloidal discs are used. This allows for uniform distribution of forces on the carrier pin devices. This also provides a better rotational balance. In addition, multiple cycloidal discs reduce the axial moment of the carrier pin devices.
The cycloidal gear disc is supported by a separate gear disc bearing. This design provides a low component count and reduces wear. This type of kinematics can also be used in an electric motor with a high power density.
The cycloidal gear disc provides a high reduction ratio, which allows for compact construction. Unlike a ring gear, the cycloidal disc has fewer teeth. It also provides a higher reduction ratio, which is advantageous for high rotational input speed applications.
Cycloid gear discs have cylindrical holes, which allow for carrier pin devices to protrude through them. This is useful because the carrier pin devices can roll along the inside wall of the cylindrical hole in the gear disc.
A load plate is also used to provide anchorage for external structures. This plate contains threaded screw holes arranged 15mm away from the center. It has a 9mm external diameter and a 3mm through hole.

Transmission ratios up to 300:1

cycloidal gearboxes are used in a wide range of applications, from machine tools to medical imaging devices. Compared to planetary gearboxes, they offer superior positioning accuracy, torsional stiffness, backlash, and fatigue performance.
Cycloid gearboxes are also capable of transmitting more torque than planetary gears. In addition, they have a lower Hertzian contact stress and higher overload protection. Cycloid gearboxes are able to provide transmission ratios up to 300:1 in a small package.
Cycloid gears also have lower backlash over extended periods, making them an ideal choice for applications with critical positioning accuracy. Cycloid gearboxes also have good wear resistance, as well as low friction. Cycloid gears are lightweight and have good torsional stiffness, making them ideal for applications with heavy loads.
Cycloid gearboxes have several different designs. They can provide transmission ratios up to 300:1 without the need for additional pre-stages. Cycloid gears also require more accurate manufacturing processes than involute gears. Cycloid gearboxes can also be used for applications that require high power consumption, and can withstand shock loads.
Cycloid gearboxes can be adapted to fit most common servomotors. They have a modular design, all-round corrosion protection, and easy installation. Cycloid gears have a radial clamping ring, which reduces inertia by up to 39%.
CZPT Precision Europe GmbH, a subsidiary of CZPT Group, has developed an innovative online configurator to simplify the configuration of gearboxes. CZPT cycloidal gearheads are precision-built, robust, and reliable. They have a two-stage reduction principle, which minimises vibration and provides even force distribution.
Cycloid gears are capable of providing transmission ratios from 30:1 to 300:1. Cycloid gearboxes can achieve high gear ratios because they require fewer moving parts, and they have a low backlash.helical gearbox

Robustness against shock loads

Unlike conventional gearboxes that are easily damaged by shock loads, the cycloidal gearbox is extremely robust. It is a versatile solution that is ideally suited for handling equipment, food manufacturing, and machine tools.
The mechanical construction of a cycloidal gearbox consists of several mechanical components. These include cycloidal wheels, bearings, transformation elements, and needles. In addition, it has high torsional stiffness and tilting moment. It is also accompanied by highly nonlinear friction characteristic.
In order to assess the robustness of the cycloidal gearbox against shock loads, a mathematical model was developed. The model was used to calculate the stress distribution on the cycloid disc. This model can be used as a basis for more complex mechanical models.
The model is based on new approach, which allows to model stiction in all quadrants of the cycloid gear. In addition, it can be applied to actuator control.
The mathematical model is presented together with the procedure for measuring the contact stress. The results are compared to the measurement performed in the real system. The model and the measurement are found to be very close to each other.
The model also allows for the analysis of different gear profiles for load distribution. In addition, it is possible to analyze contact stresses with different geometric parameters. The mesh refinement along the disc width helps to ensure an even distribution of contact forces.
The stiction breakaway speed is calculated to the motor side. The non-zero current is then derived to the input side of the gearbox. In addition, a small steady phase is modeled during the speed direction transition. The results of the simulation are compared to the measurement. The results show that the model is extremely accurate.

Positioning accuracy

Getting the correct positioning accuracy from a cycloidal gearbox is no small feat. This is because the gears are compact, and the clearances are relatively small. This means you can expect a lot of torque from your output shaft. However, this is only part of the picture. Other concerns, such as backlash, kinematic error, and loading are all important considerations.
Getting the best possible positioning accuracy from a cycloidal gearbox means choosing a reducer that is well-made and correctly configured. A properly-selected reducer will eliminate repeatable inaccuracies and provide absolute positioning accuracy at all times. In addition, this type of gearbox offers several advantages over conventional gearboxes. These include high efficiency, low backlash, and high overload protection.
Getting the correct positioning accuracy from a gearbox also involves choosing a supplier that knows what it is doing. The best vendors are those who have experience with the product, offer a wide variety, and provide support and service to ensure the product is installed and maintained correctly. Another consideration is the manufacturer’s warranty. A reputable manufacturer will offer warranties for the gearbox. The aforementioned factors will ensure that your investment in a cycloidal gearbox pays off for years to come.
Getting the correct positioning accuracy from your cycloidal gearbox involves choosing a manufacturer that specializes in this type of product. This is particularly true if you are involved in robotics, automated painting, or any other industrial process that requires the best possible accuracy. A good manufacturer will offer the latest technology, and have the expertise to help you find the best solution for your application. This will ensure your product is a success from start to finish.helical gearbox

Size

Choosing the right size of cycloidal gearbox is important for its efficient operation. However, it is not a simple task. The process involves complex machining and requires the creation of many parts. There are different sizes of cycloidal gearboxes, and a few basic rules of thumb can help you choose the right size.
The first rule of thumb for choosing the right size of cycloidal gearboxes is to use a gearbox with the same diameter of the input shaft. This means that the gearbox must be at least 5mm thick. The cycloid will also require a base and a bearing to hold the driveshaft in place. The base should be large enough to house the pins. The bearing must be the same size as the input shaft.
The next rule of thumb is to have a hole in the cycloid for the output shaft. In this way, the output will be back-drivable and has low backlash. There should be at least four to six output holes. The size of the holes should be such that the centerline of the cycloid is equal to the size of the center of the bearing.
Using a Desmos graph, you can then create the gear parameters. The number of pins should be equal to the number of teeth in the cycloidal gear, and the size of the pins should be twice the size of the gear. The radius of the pins should be equal to the value of C from Desmos, and the size of the pin circle should be equal to the R value.
The final rule of thumb is to ensure that the cycloid has no sharp edges or discontinuities. It should also have a smooth line.
China Custom Durable Trc01-02-03-04 Power Transmission Helical Gearbox with Big Torque   cycloidal gear advantagesChina Custom Durable Trc01-02-03-04 Power Transmission Helical Gearbox with Big Torque   cycloidal gear advantages
editor by CX 2023-05-26

China supplier Gvb Gpb CZPT Gear Box Reducer Transmission Gearbox Gearhead with Cheap Price cycloidal drive efficiency

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:Precision 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)

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Customization:
Available

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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 supplier Gvb Gpb CZPT Gear Box Reducer Transmission Gearbox Gearhead with Cheap Price   cycloidal drive efficiencyChina supplier Gvb Gpb CZPT Gear Box Reducer Transmission Gearbox Gearhead with Cheap Price   cycloidal drive efficiency
editor by CX 2023-05-25

China Best Sales Rated Output Torque 15nm Transmission Ratio 21-41 Robot Speed Variator Gearbox cycloidal gear reducer design

Product Description

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.

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

Rated output torque 15Nm Transmission ratio 21-41 robot speed variator gearbox
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
Hardness: Hardened Tooth Surface
Installation: Horizontal 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 Best Sales Rated Output Torque 15nm Transmission Ratio 21-41 Robot Speed Variator Gearbox   cycloidal gear reducer designChina Best Sales Rated Output Torque 15nm Transmission Ratio 21-41 Robot Speed Variator Gearbox   cycloidal gear reducer design
editor by CX 2023-05-22

China best Factory Price Gpb Gvb CZPT Transmission Gear Box High Precision Planetary Gearbox with Best Sales

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:Precision 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
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helical gearbox

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.helical gearbox

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.helical gearbox

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.
China best Factory Price Gpb Gvb CZPT Transmission Gear Box High Precision Planetary Gearbox   with Best Sales China best Factory Price Gpb Gvb CZPT Transmission Gear Box High Precision Planetary Gearbox   with Best Sales
editor by CX 2023-04-25

China Custom Skm Helical Gear Motor Speed Reducer AC Electric Transmission Gear Motor Gearbox cycloidal drive efficiency

Product Description

Product Description

1. Technical features

The high degree of modularity is a design feature of SKM, SKB series helical-hypoid gear units. It can be connected respectively with motors such as normal mtor, brake motor, explosion -proof motor, frequency conversion motor, servo motor, IEC motor and so on. This kind of product is widely used in drive fields such as textile, foodstuff, ceramice packing, logistics, plastics and so on.

1.1 Product characteristics

SKM SKB Seires helical gear units has more than 4 types. Power 0.12-4kw, Ratio 7.73-302.5, Torque max100-500 NM, Modulaw and multistructure can meet the demands of various conditions.

(1)Ground-hardened helical gears.
(2)Modularity, can be combined in many forms.
(3)Made of high-quality aluminum alloy, light in weight and nonrusting.
(4)Large in output torque, high efficiency, ene-rgy saving and environmental protection.
(5)The mounting dimension of SKM series are compatible with SMRV series worm gear unit(A part of SMRV050 dimensions are different from SKM28)
(6)The mounting dimension of SKB series are compatible with W series worm gear unit.
 

If you have any question,please contact us, we will go all out to provide all the customers with high quality and service.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Layout: Cycloidal
Gear Shape: Cylindrical Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 62.5/Piece
1 Piece(Min.Order)

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Customization:
Available

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helical gearbox

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.helical gearbox

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.helical gearbox

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.
China Custom Skm Helical Gear Motor Speed Reducer AC Electric Transmission Gear Motor Gearbox   cycloidal drive efficiencyChina Custom Skm Helical Gear Motor Speed Reducer AC Electric Transmission Gear Motor Gearbox   cycloidal drive efficiency
editor by CX 2023-04-23

China Spur Gears Helical Gear Metal Planetary Gearbox for Stepper Motor Servo Motor Speed Reducer Speed Transmission Gear Parts small cycloidal gearbox

Solution Description

We are 1 of the leading producer of planetary gearboxes via powder metallurgy. A gearbox is a electricity transmission system to produce large torque by decreasing the travel pace or increase the generate velocity the other way. Planetary gearbox consisting 3 factors: sun equipment, earth gear and ring equipment . A Solar equipment is a gearwheel in a planetary equipment program, that rotates around its own axis and has other gears (earth gears) that rotate around it. A lot like the Sunlight and planets in our photo voltaic method. The amount of planetary gears in a gearbox may differ based on the gear ratio. Most planetary gearboxes have from 2 to 5 planet gears.
When searching at planetary gears, the energy of the gearbox is typically determined by the dimension of the sunshine gear. More substantial solar gears will enable for greater torque values. The planet provider,Its aim is to maintain up to gears of the identical size, which mesh with the sun gear.

Planetary Gearbox rewards:

  1. Supplies higher torque at slow speeds .
  2. The shafts are produced up of hardened and tempered alloy steel .
  3. Sun gears ,planet gears and ring gears are created of powder metallurgy and sintering metal
  4. Low sound ranges.
  5. Great top quality taper roller bearings for enter and output shafts .
  6. Higher performance .

We generate precision metallic gearboxes via powder metallurgy .
Powder metallurgy is a metal working process in which finely-powdered metal is mixed with binder material to produce a”feedstock” that is then formed and solidified using injection molding.The capability to mix numerous operations into 1 procedure ensures MIM is profitable in conserving direct times as nicely as expenses, providing significant benefits to makers. The metal injection molding method may possibly be a eco-friendly technology due to the important reduction in wastage in comparison to “standard” manufacturing methods.

MIM can generate components the place it is hard, or even impossible, to effectively manufacture an item by means of other signifies of fabrication. Enhanced fees for conventional manufacturing techniques inherent to element complexity, these kinds of as inner/external threads, miniaturization, or identity marking, typically do not boost the expense in a MIM operation because of to the overall flexibility of injection molding.
The window of financial benefit in metal injection molded areas lies in complexity and quantity for modest-size parts. MIM supplies are comparable to metallic shaped by competing strategies, and last items are employed in a wide variety of industrial, business, healthcare, dental, firearms, aerospace, and automotive applications. Dimensional tolerances of ±0.3% are common and machining is required for closer tolerances .
MIM engineering has discovered increased applications in the commercial globe – from home appliances to watches, automobiles to aerospace, and medical to orthodontics.

The advantages of metallic injection molding for metallic fabrications :

  • Optimum diploma of style freedom for sophisticated styles and geometries
  • Gives useful financial options to increasingly stringent content and merchandise design needs
  • Purposeful integration of numerous characteristics, these kinds of as lateral drillings, interior and exterior threads and equipment teeth.
  • Parts can be heat and surface treated, plated, welded and soldered
  • Quite large volume creation collection run on entirely-computerized injection molding equipment employing multi-cavity tools
  •   Exceptional batch to batch repeatability with exceptional method capabilities

 

Metal injection moulding process custom steel parts 

MIM prcess in each and every actions :
one. Metal powers option
2. Binders
three. Mixing
four. Molding
5. De-binding
six. Sintering
7. submit sintering operation these kinds of as polishing 
8. Mechanical houses MIM elements

Tailored metallic components specification
 

Item variety Planetary equipment box , pace reducer for motors
Content steel 
Procedure Powder metallurgy 
Treatment method plating ,sand blasting , PVD , coating
Tolerance ±0.3%
Drawing structure DWG ,IGS , STP
Supply time  20 days for mass generation

Customized steel components

Workshop

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Car Parts
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Oscillating Base Type
Step: Double-Step
Samples:
US$ 5/Piece
1 Piece(Min.Order)

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Customization:
Available

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