Product Description
K series Parallel Shaft-Helical Geared Motor Characteristics
1. Features:
- High efficiency: 92%-93%;
- Vertical output, compact structure, hard tooth surface , large output torque, low noise and long service life.
- High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
- High interchangeability: highly modular, serial design, strong versatility and interchangeability.
2. Technical parameters
| Ratio | 5.36-197.37 |
| Input power | 0.12-200KW |
| Output torque | 10-62800N.m |
| Output speed | 7-415rpm |
| Mounting type | Foot mounted, foot mounted with CHINAMFG shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm. |
| Input Method | Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor |
| Brake Release | HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position) |
| Thermistor | TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotch) |
| Mounting Position | M1, M2, M3, M4, M5, M6 |
| Type | K37-K157 |
| Output shaft dis. | 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm |
| Housing material | HT200 high-strength cast iron from R37,47,57,67,77,87 |
| Housing material | HT250 High strength cast iron from R97 107,137,147, 157,167,187 |
| Heat treatment technology | carbonitriding and hardening treatment |
| Single Stage Efficiency | up to 96% |
| Lubricant | VG220 |
| Protection Class | IP55, F class |
Starshine Drive
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
Starshine have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.
Our Team
Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective
measures to prevent recurrence.
4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.
5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.
6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the
product is a product inspection to determine the qualified products.
7. Certification.
All our products get ISO & CE & UL certification.
Packing
Delivery
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Corner |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Two Step or Three Step |
| Customization: |
Available
| Customized Request |
|---|

What are the considerations for choosing the appropriate lubrication for gear reducers?
Choosing the appropriate lubrication for gear reducers is crucial for ensuring optimal performance, longevity, and efficiency. Several considerations should be taken into account when selecting the right lubrication:
1. Load and Torque: The magnitude of the load and torque transmitted by the gear reducer affects the lubrication’s viscosity and film strength requirements. Heavier loads may necessitate higher viscosity lubricants.
2. Operating Speed: The speed at which the gear reducer operates impacts the lubrication’s ability to maintain a consistent and protective film between gear surfaces.
3. Temperature Range: Consider the temperature range of the operating environment. Lubricants with suitable viscosity indexes are crucial to maintaining performance under varying temperature conditions.
4. Contaminant Exposure: If the gear reducer is exposed to dust, dirt, water, or other contaminants, the lubrication should have proper sealing properties and resistance to contamination.
5. Lubrication Interval: Determine the desired maintenance interval. Some lubricants require more frequent replacement, while others offer extended operational periods.
6. Compatibility with Materials: Ensure that the chosen lubricant is compatible with the materials used in the gear reducer, including gears, bearings, and seals.
7. Noise and Vibration: Some lubricants have properties that can help reduce noise and dampen vibrations, improving the overall user experience.
8. Environmental Impact: Consider environmental regulations and sustainability goals when selecting lubricants.
9. Manufacturer Recommendations: Follow the manufacturer’s recommendations and guidelines for lubrication type, viscosity grade, and maintenance intervals.
10. Monitoring and Analysis: Implement a lubrication monitoring and analysis program to assess lubricant condition and performance over time.
By carefully evaluating these considerations and consulting with lubrication experts, industries can choose the most suitable lubrication for their gear reducers, ensuring reliable and efficient operation.

What role do gear ratios play in optimizing the performance of gear reducers?
Gear ratios play a crucial role in optimizing the performance of gear reducers by determining the relationship between input and output speeds and torques. A gear ratio is the ratio of the number of teeth between two meshing gears, and it directly influences the mechanical advantage and efficiency of the gear reducer.
1. Speed and Torque Conversion: Gear ratios allow gear reducers to convert rotational speed and torque according to the needs of a specific application. By selecting appropriate gear ratios, gear reducers can either reduce speed while increasing torque (speed reduction) or increase speed while decreasing torque (speed increase).
2. Mechanical Advantage: Gear reducers leverage gear ratios to provide mechanical advantage. In speed reduction configurations, a higher gear ratio results in a greater mechanical advantage, allowing the output shaft to deliver higher torque at a lower speed. This is beneficial for applications requiring increased force or torque, such as heavy machinery or conveyor systems.
3. Efficiency: Optimal gear ratios contribute to higher efficiency in gear reducers. By distributing the load across multiple gear teeth, gear reducers with suitable gear ratios minimize stress and wear on individual gear teeth, leading to improved overall efficiency and prolonged lifespan.
4. Speed Matching: Gear ratios enable gear reducers to match the rotational speeds of input and output shafts. This is crucial in applications where precise speed synchronization is required, such as in conveyors, robotics, and manufacturing processes.
When selecting gear ratios for a gear reducer, it’s important to consider the specific requirements of the application, including desired speed, torque, efficiency, and mechanical advantage. Properly chosen gear ratios enhance the overall performance and reliability of gear reducers in a wide range of industrial and mechanical systems.

Are there variations in gear reducer designs for specific tasks and applications?
Yes, gear reducer designs vary widely to suit specific tasks and applications across various industries. Manufacturers offer a range of gear reducer types and configurations to accommodate different requirements, including:
- Helical Gear Reducers: These are versatile and provide smooth and efficient torque transmission. They are commonly used in applications requiring high precision and moderate speed reduction, such as conveyors, mixers, and agitators.
- Bevel Gear Reducers: These are ideal for transmitting power between intersecting shafts. They are often used in heavy machinery, printing presses, and automotive applications.
- Worm Gear Reducers: These provide compact solutions and are suitable for applications with higher speed reduction requirements, such as conveyor systems, winches, and elevators.
- Planetary Gear Reducers: These offer high torque density and are used in applications demanding precise control, such as robotics, aerospace, and heavy-duty machinery.
- Parallel Shaft Gear Reducers: Commonly used in industrial machinery, these reducers are designed for high torque and reliability.
- Right-Angle Gear Reducers: These are used when space limitations require a change in shaft direction, commonly found in packaging equipment and conveyors.
Each type of gear reducer has unique features and benefits that make it suitable for specific tasks. Manufacturers often provide customization options to tailor gear reducers to the precise requirements of an application, including gear ratios, mounting options, and input/output configurations.
Therefore, the variation in gear reducer designs allows industries to select the most appropriate type based on factors such as torque, speed, space constraints, precision, and environmental conditions.


editor by CX 2023-12-26
China manufacturer Speed Gearbox Transmission Used in Construction Machinery Worm Gear Reduction 040 Gearbox Aluminium with Input Flange Roller Press Planetary Cycloidal Industry with Good quality
Product Description
Speed Gearbox Transmission Used in Construction Machinery Worm Gear Reduction 040 Gearbox Aluminium with Input Flange Roller Press Planetary Cycloidal Industry
Application of Speed Gearbox
A speed gearbox is a type of mechanical device that is used to change the speed and torque of a rotating power source. Speed gearboxes have a wide range of applications in various industries, including automotive, aerospace, construction, and manufacturing.
Here are some of the applications of speed gearboxes:
- Automotive: Speed gearboxes are used in automobiles to transfer power from the engine to the wheels. They are also used in electric vehicles to control the speed of the electric motor.
- Aerospace: Speed gearboxes are used in aircraft to control the speed of the propellers or fans. They are also used in spacecraft to control the speed of the rocket engines.
- Construction: Speed gearboxes are used in construction equipment such as excavators, cranes, and loaders to control the speed and torque of the machinery.
- Manufacturing: Speed gearboxes are used in manufacturing equipment such as conveyors, pumps, and turbines to control the speed and torque of the equipment.
Speed gearboxes are an essential part of many machines and devices. They help to ensure that the rotating shafts operate smoothly and efficiently.
Here are some of the advantages of using speed gearboxes:
- Increased speed: Speed gearboxes can be used to increase the speed of a rotating power source. This can be useful in applications where the speed of the power source is not sufficient for the application.
- Increased torque: Speed gearboxes can be used to increase the torque of a rotating power source. This can be useful in applications where the torque of the power source is not sufficient for the application.
- Reduced noise: Speed gearboxes can be used to reduce the noise of a rotating power source. This can be useful in applications where noise is a concern.
- Increased efficiency: Speed gearboxes can be used to increase the efficiency of a rotating power source. This can save energy costs.
Here are some of the disadvantages of using speed gearboxes:
- Cost: Speed gearboxes can be more expensive than other types of mechanical devices.
- Maintenance: Speed gearboxes require periodic maintenance, such as lubrication and inspection.
- Failure: Speed gearboxes can fail, which can lead to downtime and repairs.
Overall, speed gearboxes are a versatile and reliable type of mechanical device that can be used in a wide variety of applications. They offer a number of advantages over other types of mechanical devices, but they also have some disadvantages. The best type of speed gearbox for a particular application will depend on the specific requirements of that application.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|


editor by CX 2023-12-25
China Best Sales Nmrv/Nrv Nmrv130 Worm Gear Speed Reduction Reducer Gearbox wholesaler
Product Description
NMRV REDUCTION WORM GEARBOX
The NMRV 130 single-stage worm gear motor develops torque on the output shaft in the range from 280 to 1596 N * m. The unit is supplied with an IEC motor with a power of 0.75 – 7.5 kW. Radial load on the shaft – up to 18 000 N.
The gear housing is made of gray cast iron grade G200, has a protective powder coating.
Materials parts:
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze.
Type of lubricant: synthetic ISO VG 220.
Weight: 48 kg.
Type designation scheme
NMRV – 130 – 7.5 – 120 – 4 – B3
- NMRV – worm gear motor
- 130 – size (center distance, mm)
- 7.5 – gear ratio
- 120 – output shaft rotation speed, rpm
- 4 – electric motor power, kW
- B3 – mounting position
NMRV 130 gearbox performance
| i | n 1 = 2800 rpm | n 1 = 1400 rpm | n 1 = 900, rpm | |||||||||
| n 2 , rpm |
T 2M , N * m |
P kw |
RD % |
n 2 , rpm |
T 2M , N * m |
P kw |
RD % |
n 2 , rpm |
T 2M , N * m |
P kw |
RD % |
|
| 7.5 | 373 | 571 | 24.00 | 92 | 187 | 780 | 16.80 | 91 | 120 | 935 | 13.20 | 89 |
| 10 | 280 | 606 | 19.30 | 92 | 140 | 817 | 13.30 | 90 | 90 | 980 | 10.50 | 88 |
| 15 | 187 | 668 | 14.50 | 90 | 93 | 876 | 9.80 | 87 | 60 | 1015 | 7.50 | 85 |
| 20 | 140 | 735 | 12.10 | 89 | 70 | 950 | 8.10 | 86 | 45 | 1092 | 6.20 | 83 |
| 25 | 112 | 645 | 8.40 | 90 | 56 | 795 | 5.50 | 85 | 36 | 914 | 4.20 | 82 |
| 30 | 93 | 655 | 7.50 | 85 | 47 | 683 | 4.20 | 80 | 30 | 735 | 3.00 | 77 |
| 40 | 70 | 781 | 6.90 | 83 | 35 | 959 | 4.50 | 78 | 23 | 1090 | 3.50 | 75 |
| 50 | 56 | 787 | 5.70 | 81 | 28 | 985 | 3.80 | 76 | 18 | 1084 | 2.80 | 73 |
| 60 | 47 | 748 | 4.60 | 80 | 23 | 965 | 3.10 | 75 | 15 | 1040 | 2.30 | 71 |
| 80 | 35 | 648 | 3.30 | 72 | 18 | 782 | 2.20 | 67 | 11 | 959 | 1.70 | 65 |
| 100 | 28 | 605 | 2.50 | 71 | 14 | 765 | 1.70 | 66 | 9 | 855 | 1.30 | 62 |
- n1 – rotational speed el. engine;
- n2 – revolutions on the output shaft;
- T 2M – torque on the output shaft;
- P is the maximum allowable engine power;
- RD – efficiency
GEARBOX FEATURE
| 1.Good quality,long life time,low noise. |
| 2.Compact,convenient. |
| 3.High efficiency,big torque. |
Overall and mounting dimensions NMRV 130
NMRV130 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .
Output flange to NMRV 130 gearbox
Geared NMRV130 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft
A torque arm is an additional option to the gearbox.
| Model | NMRV SERIES |
| Single Stage | RV25-RV150 |
| Ratio | 7.5-100 |
| Input Power | 0.06KW-15KW |
| Output Speed | 14-280rpm |
| Output Torque | 5-1800Nm |
| Core parts | worm wheel,worm shaft |
| Core parts material | worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external |
| Lubrication | RV30-90:synthetic oil, RV110-150:GN460-W mineral oil |
| Bearings | C&U |
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Agricultural Machinery, Industry |
|---|---|
| Hardness: | Hardened |
| Installation: | Any Angle |
| Gear Shape: | Worm Gear |
| Step: | Single-Step |
| Type: | Worm and Wormwheel |
| Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-12-25
China Professional Low Pressure Casting Gearbox Speed Reducer Worm Gears Reducer for Motorcycle gearbox adjustment
Product Description
Low Pressure Casting Gearbox Speed Reducer Worm Gears Reducer for Motorcycle
ZHangZhoug Xiafeng Precision Die Casting Co., Ltd., we specialize in the design, development, production, and sales of pump accessories, valve accessories, amusement park accessories, gas station accessories, aluminum die casting, aluminum metal crafts, electric vehicle accessories, pneumatic actuator accessories, gearbox gears, gearbox housings, primary gears, infinite gears, machine base shells, stepless speed control covers, and aluminum machine base.
Product Description
Gearbox Castings
Our Worm gearbox reducer has many items for your choosing and we can produce as per your drawing or sample to meet your special request
We can also supply Gearbox, agricultural gearbox, planetary gearbox, worm gearbox, CHINAMFG gearbox, marine gearbox, gearbox, reduction gearbox, transmission gearbox, gearbox, mower gearbox, rotary cutter gearbox, small transmission gearbox, gearbox for conveyor, bevel gearbox, helical gearbox, swing gearbox, variable speed gearbox, differential gearbox, small planetary gearbox, reducer gearbox, tiller gearbox, pto gearbox, gearbox reducer, hollow shaft gearbox, speed reduction gearbox, industrial gearbox, planetary reduction gearbox, lawn mower gearbox, rotary tiller gearbox, gearbox transmission, worm reduction gearbox, aluminum gearbox, forklift gearbox, nmrv 075 worm gearbox, nmrv030 worm gearbox, shaft mounted gearbox, nmrv 050 worm gearbox, gearbox for agricultural machinery, power tiller gearbox, manual worm gearbox, spiral bevel gearbox, nmrv gearbox, worm wheel gearbox, reduce speed gearbox, industrial transmission gearbox, worm reducer gearbox, gearbox rpm reducer, helical gearbox reducer, wheel planetary gearbox, nmrv040 worm gearbox, worm gearbox reducer, nmrv worm gearbox, aluminium worm gearbox, gearbox reduction, rv series worm gearbox, worm speed gearbox, nmrv050 worm gearbox, gear reducer, worm gear reducer, helical gear reducer, gear speed reducer, worm gear speed reducer, shaft mounted gear reducer, planetary gear reducer, helical gear speed reducer, worm CHINAMFG reducer, speed gear reducer, bevel gear reducer, planetary gear speed reducer, spur gear reducer, aluminum worm gear reduce, nmrv worm gear reducers, helical-worm gear reducer, helical bevel gear reducers, high speed gear reducer, gear speed reducers, industrial gear reducer, high torque gear reducer
1. Large output torque
2. Safe, reliable, economical and durable
3. Stable transmission, quiet operation
4. High carrying ability
5. High modularization design, may equip with various outer power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type
6. Transmission ratio: Fine division, wide scope. The combined machine type may form very large transmission ratio, i. E. Output very low rotary speed.
7. Form of installation: The position to be installed is not limited.
8. High strength, compact the box body of high strength cast iron, gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, therefore the bearing capacity of unit volume is high.
9. Long life: Under the condition of correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life if main parts speed reducer(except wearing parts)should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
10. Low noise: Because main parts of speed reducer are processed, and tested critically, therefore the noise of speed reducer is low.
11. Parallel axis-bevel wheel speed-down motor.
See the below features:
Size: 40mm—160mm
Reduction ratio: 3 — 512
Torque transmission: 5 Nm — 8 95 Nm
Precision backlash: ≤ 5arcmin
Running noise: 51 70 dB (A)
Product Parameters
| Name | ARA worm gear reducer |
| Material | Aluminum Alloy |
| Brand | ZHangZhoug Xiaofeng |
| Product model | ARA4/ARA2/ARA0 |
| Application | Construction equipment/mechanical equipment, etc |
Detailed Photos
Feature
Application
Company Profile
ZHangZhoug Xiafeng Precision Die Casting Co., Ltd. is a company located in Oubei, HangZhoua, HangZhou, known as the “hometown of pumps and valves”. We specialize in the design, development, production, and sales of pump accessories, valve accessories, amusement park accessories, gas station accessories, aluminum die casting, aluminum metal crafts, electric vehicle accessories, pneumatic actuator accessories, gearbox gears, gearbox housings, primary gears, infinite gears, machine base shells, stepless speed control covers, and aluminum machine base.
FAQ
Q1 : Could I put my own logo on it?
A : Sure, We accept OEM and ODM.
Q2 : What is your sample policy?
A : We can supply the sample, but the customers have to pay the shipping cost.
Q3 : Could I produce according to the samples?
A : Of course. we can produce by your samples or technical drawing, We can build the molds.
Q4 : How long is production time?
A : Based on the quantities sample order 7-15 days, mass order 30-60days.
Q5 : Do you test all your goods before delivery?
A : Of course, We have 100% test before delivery.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Construction Equipment/Mechanical Equipm |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Conical – Cylindrical Gear |
| Step: | Double-Step |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Are there any disadvantages or limitations to using gear reducer systems?
While gear reducer systems offer numerous advantages, they also come with certain disadvantages and limitations that should be considered during the selection and implementation process:
1. Size and Weight: Gear reducers can be bulky and heavy, especially for applications requiring high gear ratios. This can impact the overall size and weight of the machinery or equipment, which may be a concern in space-constrained environments.
2. Efficiency Loss: Despite their high efficiency, gear reducers can experience energy losses due to friction between gear teeth and other components. This can lead to a reduction in overall system efficiency, particularly in cases where multiple gear stages are used.
3. Cost: The design, manufacturing, and assembly of gear reducers can involve complex processes and precision machining, which can contribute to higher initial costs compared to other power transmission solutions.
4. Maintenance: Gear reducer systems require regular maintenance, including lubrication, inspection, and potential gear replacement over time. Maintenance activities can lead to downtime and associated costs in industrial settings.
5. Noise and Vibration: Gear reducers can generate noise and vibrations, especially at high speeds or when operating under heavy loads. Additional measures may be needed to mitigate noise and vibration issues.
6. Limited Gear Ratios: While gear reducers offer a wide range of gear ratios, there may be limitations in achieving extremely high or low ratios in certain designs.
7. Temperature Sensitivity: Extreme temperatures can affect the performance of gear reducer systems, particularly if inadequate lubrication or cooling is provided.
8. Shock Loads: While gear reducers are designed to handle shock loads to some extent, severe shock loads or abrupt changes in torque can still lead to potential damage or premature wear.
Despite these limitations, gear reducer systems remain widely used and versatile components in various industries, and their disadvantages can often be mitigated through proper design, selection, and maintenance practices.

How do gear reducers handle shock loads and sudden changes in torque?
Gear reducers are designed to handle shock loads and sudden changes in torque through several mechanisms that enhance their durability and reliability in challenging operating conditions.
1. Robust Construction: Gear reducers are constructed using high-strength materials and precision manufacturing techniques. This ensures that the gears, bearings, and other components can withstand sudden impacts and high torque fluctuations without deformation or failure.
2. Shock-Absorbing Features: Some gear reducer designs incorporate shock-absorbing features, such as flexible couplings, elastomeric elements, or torsionally flexible gear designs. These features help dampen and dissipate the energy from sudden shocks or torque spikes, reducing the impact on the entire system.
3. Torque Limiters: In applications where shock loads are common, torque limiters may be integrated into the gear reducer. These devices automatically disengage or slip when a certain torque threshold is exceeded, preventing damage to the gears and other components.
4. Overload Protection: Gear reducers can be equipped with overload protection mechanisms, such as shear pins or torque sensors. These mechanisms detect excessive torque and disengage the drive temporarily, allowing the system to absorb the shock or adjust to the sudden torque change.
5. Proper Lubrication: Adequate lubrication is essential for managing shock loads and sudden torque changes. High-quality lubricants reduce friction and wear, helping the gear reducer withstand dynamic forces and maintain smooth operation.
6. Dynamic Load Distribution: Gear reducers distribute dynamic loads across multiple gear teeth, which helps prevent localized stress concentrations. This feature minimizes the risk of tooth breakage and gear damage when subjected to sudden changes in torque.
By incorporating these design features and mechanisms, gear reducers can effectively handle shock loads and sudden changes in torque, ensuring the longevity and reliability of various industrial and mechanical systems.

Can you explain the different types of gear reducers available in the market?
There are several types of gear reducers commonly used in industrial applications:
1. Spur Gear Reducers: These reducers have straight teeth and are cost-effective for applications requiring moderate torque and speed reduction. They are efficient but may produce more noise compared to other types.
2. Helical Gear Reducers: Helical gears have angled teeth, which provide smoother and quieter operation compared to spur gears. They offer higher torque capacities and are suitable for heavy-duty applications.
3. Bevel Gear Reducers: Bevel gears have conical shapes and intersect at an angle, allowing them to transmit power between non-parallel shafts. They are commonly used in applications where shafts intersect at 90 degrees.
4. Worm Gear Reducers: Worm gears consist of a worm (screw) and a mating gear (worm wheel). They offer high torque reduction and are used for applications requiring high ratios, although they can be less efficient.
5. Planetary Gear Reducers: These reducers use a system of planetary gears to achieve high torque output in a compact design. They provide excellent torque multiplication and are commonly used in robotics and automation.
6. Cycloidal Gear Reducers: Cycloidal drives use an eccentric cam to achieve speed reduction. They offer high shock load resistance and are suitable for applications with frequent starting and stopping.
7. Harmonic Drive Reducers: Harmonic drives use a flexible spline to achieve high gear reduction ratios. They provide high precision and are commonly used in applications requiring accurate positioning.
8. Hypoid Gear Reducers: Hypoid gears have helical teeth and non-intersecting shafts, making them suitable for applications with space limitations. They offer high torque and efficiency.
Each type of gear reducer has its own advantages and limitations, and the choice depends on factors such as torque requirements, speed ratios, noise levels, space constraints, and application-specific needs.


editor by CX 2023-12-25
China factory 142 Series Precision Planetary Gearbox Reducer for CNC Machine and Industrial Robot and Automatic Arm Application synchromesh gearbox
Product Description
142 Series Precision Planetary reducer gearbox for
CNC machine and Industrial Robot and Automatic Arm
Our Service
1. We will give positive feedbacks to our customers when we receive the payment released by Aliexpress system. So hope you also can leave positive feedbacks to our service. If you are not satified with our products or service, you also can contact with us directly. We are welcome you to give our your precious suggestions.
2. All message and emails will be answered within 1 business day. If you do not receive our reply please kindly re-sent your message or emails and we will reply to you as soon as possible.
3. Before placing your order, please leave the key parameters to us so that we can prepare the products to you ASAP to short the delivery time. Our after sales service also keep tracking it and send message to you when there is any delay in shipping.
4.When you receive the package, please open the package and check all the items are working in good condition before you sign.Don’t CHINAMFG if the items are broken,and ask the delivery company to make a “damage certificate” Otherwise,we will not provide any warranty and refund.
Payment & Delivery
| Payment terms | T/T |
EXW | 30% In advance, 70% before delivery |
| FOB | |||
| CFR/C&F | 30% In advance, 70% against copy of B/L | ||
| CIF | |||
| L/C | Total amount above USD50,000, we accept L/C at sight | ||
| West Union | Total amount less than USD5,000 | ||
| PayPal | |||
| Delivery time | 15-20 working days after receiving down payment for 1 container | ||
Our full production process strictly adhered to the ISO9001 quality control system, our higher quality , advanced equipment and technology ensure a guarantee in leakage-proof , retention and duration !
Your OEM orders are also warmly welcomed, it is our commitment to satisfy your requirement, please turst that we will be your reliable business partner for our good reputation,good quality and competitive price !
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Industry |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-12-22
China Hot selling CZPT Factory Price Wholesale Gearbox Transmission Motor Planetary Gear Reducer best automatic gearbox
Product Description
Newgear Factory Price Wholesale Gearbox Transmission Motor Planetary Gear Reducer
Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.
Product Parameters
Planetary reducer characteristic:
1. Split design, more output options
2. The input and output dimensions can be seamlessly switched with the straight tooth series
3. The double support cage planet carrier has high reliability and is suitable for high-speed and frequent CHINAMFG and reverse rotation
4. The design of double-stage single support support has high cost performance
5. Keyway can be opened for the force shaft
6. Helical gear transmission is more stable and has large bearing capacity
7. Accurate positioning of low return clearance
8. Specification range: 60-120mm
9. Speed ratio range: 3-100
10. Accuracy range: 1-3 arcmin (P1); 3-5 arcmin (P2)
| Specifications | PW60 | PW90 | PW120 | |||
| Technal Parameters | ||||||
| Max. Torque | Nm | 1.5times rated torque | ||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||
| Max. Radial Load | N | 1350 | 3100 | 6100 | ||
| Max. Axial Load | N | 630 | 1300 | 2800 | ||
| Torsional Rigidity | Nm/arcmin | 5 | 10 | 20 | ||
| Max.Input Speed | rpm | 6000 | 6000 | 6000 | ||
| Rated Input Speed | rpm | 4000 | 3000 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ||
| Average Life Time | h | 20000 | ||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | ||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | ≤5 | ≤5 | ≤5 | ||
| P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | |
| L2 | arcmin | ≤7 | ≤7 | ≤7 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.16 | 0.61 | 3.25 |
| 4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | ||
| 5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | ||
| 7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | ||
| 8 | Kg*cm2 | 0.13 | 0.45 | 2.62 | ||
| 10 | Kg*cm2 | 0.13 | 0.40 | 2.57 | ||
| L2 | 12 | Kg*cm2 | 0.13 | 0.61 | 0.45 | |
| 15 | Kg*cm2 | 0.13 | 0.61 | 0.45 | ||
| 20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | ||
| 25 | Kg*cm2 | 0.13 | 0.40 | 0.40 | ||
| 28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | ||
| 30 | Kg*cm2 | 0.13 | 0.67 | 0.45 | ||
| 35 | Kg*cm2 | 0.13 | 0.45 | 0.45 | ||
| 40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | ||
| 50 | Kg*cm2 | 0.13 | 0.40 | 0.40 | ||
| 70 | Kg*cm2 | 0.13 | 0.40 | 0.40 | ||
| 100 | Kg*cm2 | 0.13 | 0.40 | 0.40 | ||
| Technical Parameter | Level | Ratio | PW60 | PW90 | PW120 | |
| Rated Torque | L1 | 3 | Nm | 35 | 100 | 165 |
| 4 | Nm | 43 | 125 | 220 | ||
| 5 | Nm | 43 | 125 | 220 | ||
| 7 | Nm | 40 | 98 | 200 | ||
| 8 | Nm | 40 | 90 | 200 | ||
| 10 | Nm | 25 | 70 | 150 | ||
| L2 | 12 | Nm | 35 | / | 165 | |
| 15 | Nm | 35 | 100 | 165 | ||
| 20 | Nm | 43 | 125 | 220 | ||
| 25 | Nm | 43 | 125 | 220 | ||
| 28 | Nm | 43 | 125 | 220 | ||
| 30 | Nm | 35 | 100 | 165 | ||
| 35 | Nm | 43 | 125 | 210 | ||
| 40 | Nm | 43 | 125 | 210 | ||
| 50 | Nm | 43 | 125 | 210 | ||
| 70 | Nm | 40 | 98 | 200 | ||
| 100 | Nm | 25 | 70 | 150 | ||
| Degree Of Protection | IP65 | |||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||
| Weight | L1 | kg | 1.2 | 2.8 | 7.6 | |
| L2 | kg | 1.55 | 3.95 | 10.5 | ||
Model Selection:
Company Profile
Packaging & Shipping
1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are a 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machine Tool |
|---|---|
| Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Starting Mode: | Direct on-line Starting |
| Certification: | ISO9001 |
| Samples: |
US$ 185/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can gear reducers be customized for specific industrial needs and requirements?
Yes, gear reducers can be customized to meet specific industrial needs and requirements. Manufacturers offer customization options to ensure that gear reducers are tailored to the unique demands of various applications:
1. Gear Ratio Selection: Gear reducers can be designed with specific gear ratios to achieve the desired speed reduction or increase, catering to the specific requirements of the machinery or equipment.
2. Shaft Configurations: Gear reducers can be configured with different shaft sizes, lengths, and orientations to fit seamlessly into existing systems or accommodate specific mounting arrangements.
3. Torque Capacity: Customized gear reducers can be designed to handle higher or lower torque loads based on the application’s operational requirements.
4. Environmental Considerations: Gear reducers can be customized with special coatings, materials, or seals to withstand harsh environments, extreme temperatures, or corrosive conditions.
5. Noise and Vibration Reduction: Custom designs can incorporate features to reduce noise and dampen vibrations, enhancing the overall operation and user experience.
6. Mounting and Connection Options: Manufacturers can adapt gear reducer designs to include specific mounting interfaces or connection methods that align with the equipment’s design.
7. Lubrication and Maintenance: Customized gear reducers can include features for easy maintenance, such as accessible lubrication points or monitoring systems.
8. Integration with Controls: Gear reducers can be customized to integrate seamlessly with control systems, sensors, or automation processes, enhancing system efficiency and performance.
By collaborating with manufacturers and providing detailed specifications, industries can obtain tailor-made gear reducers that address their specific operational needs and contribute to the success of their applications.

What role do gear ratios play in optimizing the performance of gear reducers?
Gear ratios play a crucial role in optimizing the performance of gear reducers by determining the relationship between input and output speeds and torques. A gear ratio is the ratio of the number of teeth between two meshing gears, and it directly influences the mechanical advantage and efficiency of the gear reducer.
1. Speed and Torque Conversion: Gear ratios allow gear reducers to convert rotational speed and torque according to the needs of a specific application. By selecting appropriate gear ratios, gear reducers can either reduce speed while increasing torque (speed reduction) or increase speed while decreasing torque (speed increase).
2. Mechanical Advantage: Gear reducers leverage gear ratios to provide mechanical advantage. In speed reduction configurations, a higher gear ratio results in a greater mechanical advantage, allowing the output shaft to deliver higher torque at a lower speed. This is beneficial for applications requiring increased force or torque, such as heavy machinery or conveyor systems.
3. Efficiency: Optimal gear ratios contribute to higher efficiency in gear reducers. By distributing the load across multiple gear teeth, gear reducers with suitable gear ratios minimize stress and wear on individual gear teeth, leading to improved overall efficiency and prolonged lifespan.
4. Speed Matching: Gear ratios enable gear reducers to match the rotational speeds of input and output shafts. This is crucial in applications where precise speed synchronization is required, such as in conveyors, robotics, and manufacturing processes.
When selecting gear ratios for a gear reducer, it’s important to consider the specific requirements of the application, including desired speed, torque, efficiency, and mechanical advantage. Properly chosen gear ratios enhance the overall performance and reliability of gear reducers in a wide range of industrial and mechanical systems.

Can you explain the different types of gear reducers available in the market?
There are several types of gear reducers commonly used in industrial applications:
1. Spur Gear Reducers: These reducers have straight teeth and are cost-effective for applications requiring moderate torque and speed reduction. They are efficient but may produce more noise compared to other types.
2. Helical Gear Reducers: Helical gears have angled teeth, which provide smoother and quieter operation compared to spur gears. They offer higher torque capacities and are suitable for heavy-duty applications.
3. Bevel Gear Reducers: Bevel gears have conical shapes and intersect at an angle, allowing them to transmit power between non-parallel shafts. They are commonly used in applications where shafts intersect at 90 degrees.
4. Worm Gear Reducers: Worm gears consist of a worm (screw) and a mating gear (worm wheel). They offer high torque reduction and are used for applications requiring high ratios, although they can be less efficient.
5. Planetary Gear Reducers: These reducers use a system of planetary gears to achieve high torque output in a compact design. They provide excellent torque multiplication and are commonly used in robotics and automation.
6. Cycloidal Gear Reducers: Cycloidal drives use an eccentric cam to achieve speed reduction. They offer high shock load resistance and are suitable for applications with frequent starting and stopping.
7. Harmonic Drive Reducers: Harmonic drives use a flexible spline to achieve high gear reduction ratios. They provide high precision and are commonly used in applications requiring accurate positioning.
8. Hypoid Gear Reducers: Hypoid gears have helical teeth and non-intersecting shafts, making them suitable for applications with space limitations. They offer high torque and efficiency.
Each type of gear reducer has its own advantages and limitations, and the choice depends on factors such as torque requirements, speed ratios, noise levels, space constraints, and application-specific needs.


editor by CX 2023-12-22
China OEM Motor Gearbox Used Planetary Speed Increasing Advance 300 Marine LG Washing Machine Small Mower Gearboxes Motorcycle Stainless Steel 90 Degree gearbox definition
Product Description
motor gearbox used planetary speed increasing advance 300 marine lg washing machine small mower gearboxes motorcycle stainless steel 90 degree
Application of motor gearbox
Motor gearboxes are used in a wide variety of applications where it is necessary to transmit power from an electric motor to a load. The gearbox provides a mechanical advantage, which allows the motor to produce more torque or speed, depending on the application.
Some of the most common applications for motor gearboxes include:
- Machine tools: Motor gearboxes are used in machine tools to power the cutting tools. The gearbox provides a mechanical advantage, which allows the motor to produce more torque, which is necessary to cut through hard materials.
- Conveyors: Motor gearboxes are used in conveyors to power the belts or chains that move materials. The gearbox provides a mechanical advantage, which allows the motor to produce more speed, which is necessary to move materials quickly.
- Robotics: Motor gearboxes are used in robotics to power the joints and actuators that move the robot. The gearbox provides a mechanical advantage, which allows the motor to produce more torque or speed, depending on the application.
- Wind turbines: Motor gearboxes are used in wind turbines to power the generators that convert the kinetic energy of the wind into electrical energy. The gearbox provides a mechanical advantage, which allows the motor to produce more speed, which is necessary to rotate the generators at a high speed.
- Other: Motor gearboxes are also used in a variety of other applications, such as elevators, cranes, and food processing equipment.
Motor gearboxes offer a number of advantages over direct drive motors, including:
- Increased torque: Motor gearboxes can increase the torque output of a motor, which is necessary for applications that require a lot of force, such as cutting through hard materials or lifting heavy objects.
- Increased speed: Motor gearboxes can increase the speed output of a motor, which is necessary for applications that require a lot of movement, such as conveyors or robots.
- Reduced noise: Motor gearboxes can reduce the noise output of a motor, which is important for applications where noise is a concern.
- Improved efficiency: Motor gearboxes can improve the efficiency of a motor, which can save energy and money.
Overall, motor gearboxes are a versatile and essential part of many machines and devices. They offer a number of advantages over direct drive motors, including increased torque, increased speed, reduced noise, and improved efficiency.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Three-Ring |
| Hardness: | Hardened Tooth Surface |
| Installation: | Torque Arm Type |
| Step: | Stepless |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
|---|


editor by CX 2023-12-22
China OEM CZPT Good Quality RC Series Inline Helical Gear Speed Reducers gearbox and motor
Product Description
GPHQ RC helical gearbox motor/ reducer motor
CHINAMFG RC helical speed gearbox motor units are novel transmission device and composed of Y series motor, helical gear, Glisten arc cone gear and warm gear. The gears are made of high wear-resisting alloy materials, specially treated and finely processed.
GPHQ RC helical gear box motor can be single-stage or multi stage with both mounting ways foot-mounted and flange-mounted. For high output speeds, the exclusively single-stage gear units R27-RX167 offer compact solutions for your system design. As for the two-stage and three-stage,
GPHQ RC helical speed reducer motor is based on the unique modulation combination system, so it is convenient for them to fit all types of motors or to connect with other power input. The same type of reducer can fit motors with different power, so that its possible for different types of machines to combine or connect.
Our reduction geared motor Advantage
1,reasonable price with excellent quality
2,delivery in time
3,safe ,reliable ,economical and durable
4,stable transmission ,quiet operation
5,smooth running and low noise
6,nice appearance ,durable service life
7,high heat-radiating efficiency ,high carrying ability
8,each gearbox must be tested before packing
9.reply in high efficiency during 1 working day
10. professional to produce gearbox and electric motor .
If there is any question, please don’t hesitate to contact with me (EVA), U can send us your inquiry. And you will get response in 1 working day.
MOTOR CATALOGUE :
PACKAGE :
for 1 container, directly loading ,for less, all goods with pallet.
FAQ
1, Q:what\’s your MOQ for ac gearbox motor ?
A: 1pc is ok for each type electric gear box motor
2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed
3, Q: which payment way you can accept ?
A: TT, western union .
4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.
5, Q: how about your packing of speed reduction motor ?
A: plywood case ,if size is small ,we will pack with pallet for less 1 container
6, Q: What information should be given, if I buy electric helical geared motor from you ?
A: rated power, ratio or output speed,type ,voltage , mounting way , quantity , if more is better ,
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| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Layout: | Helical |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
| Type: | Helical |
| Customization: |
Available
| Customized Request |
|---|

Can you provide real-world examples of products that use gear reducer technology?
Certainly! Gear reducer technology is widely used in various industries and products to enhance performance and efficiency. Here are some real-world examples:
1. Industrial Machinery: Gear reducers are commonly used in manufacturing machinery, such as conveyor systems, material handling equipment, and assembly lines, where they help control speed and torque for precise operations.
2. Wind Turbines: Wind turbines utilize gear reducers to transform the low rotational speed of the wind turbine rotor into the higher speed needed for electricity generation, optimizing energy conversion.
3. Automotive Transmissions: Automobiles use gear reducers as part of their transmissions to optimize power delivery from the engine to the wheels, allowing the vehicle to operate efficiently at different speeds.
4. Robotics: Robotic systems rely on gear reducers to control the movement and articulation of robot arms, enabling precise and controlled motion for various applications.
5. Printing Presses: Gear reducers are integral to printing presses, ensuring accurate and synchronized movement of printing plates, rollers, and paper feed mechanisms.
6. Conveyor Belts: Conveyor systems in industries like mining, agriculture, and logistics use gear reducers to regulate the movement of materials along the conveyor belts.
7. Packaging Machinery: Gear reducers play a crucial role in packaging machines, controlling the speed and movement of packaging materials, filling mechanisms, and sealing components.
8. Cranes and Hoists: Cranes and hoists rely on gear reducers to lift heavy loads with precision and control, ensuring safe and efficient material handling.
9. Pumps and Compressors: Gear reducers are utilized in pumps and compressors to regulate fluid flow and pressure, optimizing energy usage in fluid transportation systems.
10. Agriculture Equipment: Tractors and other agricultural machinery use gear reducers to adjust the speed and power delivery for different tasks, such as plowing, planting, and harvesting.
These examples demonstrate the diverse applications of gear reducer technology across various industries, showcasing their role in enhancing efficiency, control, and performance in a wide range of products and systems.

What maintenance practices are essential for prolonging the lifespan of gear reducers?
Proper maintenance is crucial for extending the lifespan and ensuring optimal performance of gear reducers. Here are essential maintenance practices:
- 1. Lubrication: Regular lubrication of gear reducers is vital to reduce friction, wear, and heat generation. Use the recommended lubricant and follow the manufacturer’s guidelines for lubrication intervals.
- 2. Inspection: Routinely inspect gear reducers for signs of wear, damage, or leaks. Check for unusual noises, vibrations, or temperature increases during operation.
- 3. Alignment: Ensure proper alignment of the input and output shafts. Misalignment can lead to increased wear, noise, and reduced efficiency. Align the components according to the manufacturer’s specifications.
- 4. Cooling and Ventilation: Maintain proper cooling and ventilation to prevent overheating. Ensure that cooling fans and vents are clean and unobstructed.
- 5. Seal Maintenance: Inspect and replace seals as needed to prevent contaminants from entering the gear reducer. Contaminants can lead to accelerated wear and reduced performance.
- 6. Bolts and Fasteners: Regularly check and tighten bolts and fasteners to prevent loosening during operation, which can cause misalignment or component damage.
- 7. Replacing Worn Components: Replace worn or damaged components, such as gears, bearings, and seals, with genuine parts from the manufacturer.
- 8. Vibration Analysis: Conduct periodic vibration analysis to identify potential issues early. Excessive vibration can indicate misalignment or component wear.
- 9. Maintenance Records: Keep detailed maintenance records, including lubrication schedules, inspection dates, and component replacements. This helps track the history of the gear reducer and aids in future maintenance planning.
- 10. Training: Provide proper training to maintenance personnel on gear reducer maintenance and troubleshooting techniques.
By adhering to these maintenance practices, you can maximize the lifespan of your gear reducers, minimize downtime, and ensure reliable operation in your industrial processes.

How do gear reducers handle variations in input and output speeds?
Gear reducers are designed to handle variations in input and output speeds through the use of different gear ratios and configurations. They achieve this by utilizing intermeshing gears of varying sizes to transmit torque and control rotational speed.
The basic principle involves connecting two or more gears with different numbers of teeth. When a larger gear (driving gear) engages with a smaller gear (driven gear), the rotational speed of the driven gear decreases while the torque increases. This reduction in speed and increase in torque enable gear reducers to efficiently adapt to variations in input and output speeds.
The gear ratio is a critical factor in determining how much the speed and torque change. It is calculated by dividing the number of teeth on the driven gear by the number of teeth on the driving gear. A higher gear ratio results in a greater reduction in speed and a proportionate increase in torque.
Planetary gear reducers, a common type, use a combination of gears including sun gears, planet gears, and ring gears to achieve different speed reductions and torque enhancements. This design provides versatility in handling variations in speed and torque requirements.
In summary, gear reducers handle variations in input and output speeds by using specific gear ratios and gear arrangements that enable them to efficiently transmit power and control motion characteristics according to the application’s needs.


editor by CX 2023-12-22
China high quality Robot 50rpm 12V 76mm DC Brushed Motor Permanent Magnet with Worm Gear Box gearbox engine
Product Description
| BG 76ZYT DC Brushed Motor | |
| Environmental Conditions | -20ºC~50ºC |
| Insulation Clase | B |
| Protection class | IP44 |
| Noise | ≤65dB |
| Self-Locking Function | YES |
| Lifespan | >1000h |
| Electrical Specifications | ||||||||||
| Model | RATED LOAD | NO LOAD | STALL | |||||||
| Voltage | Power |
Speed |
Gear Ratio |
Torque | Current | Speed | Current | Torque | Current | |
| V | W | rpm | 1:xx | N.m | A | rpm | A | N.m | A | |
| BG-76ZYT | 12 | 90 | 50 | 1:60 | 12 | 7.5 | 60 | 0.5 | / | / |
| BG-76ZYT-1 | 24 | 100 | 45 | 1:60 | 15 |
4.0 |
55 | 0.5 | / | / |
| BG-76ZYT-2 | 48 | 120 | 30 | 1:60 | 20 | 3.0 | 40 | 0.6 | / | / |
| We can also customize products according to customer requirements. | ||||||||||
Established in 1994, HangZhou BG Motor Factory is a professional manufacturer of brushless DC motors, brushed DC motors, planetary gear motors, worm gear motors, Universal motors and AC motors. We have a plant area of 6000 square meters, multiple patent certificates, and we have the independent design and development capabilities and strong technical force, with an annual output of more than 1 million units. Since the beginning of its establishment, BG motor has focused on the overall solution of motors. We manufacture and design motors, provide professional customized services, respond quickly to customer needs, and actively help customers to solve problems. Our motor products are exported to 20 countries, including the United States, Germany, Italy, the United Kingdom, Poland, Slovenia, Switzerland, Sweden, Singapore, South Korea etc.
Our founder, Mr. Sun, has more than 40 years of experience in motor technology, and our other engineers also have more than 15 years of experience, and 60% of our staff have more than 10 years of experience, and we can assure you that the quality of our motors is top notch.
The products cover AGV, underwater robots, robots, sewing machine industry, automobiles, medical equipment, automatic doors, lifting equipment, industrial equipment and have a wide range of applications.
We strive for CHINAMFG in the quality of each product, and we are only a small and sophisticated manufacturer.
Our vision: Drive the world CHINAMFG and make life better!
Q:1.What kind of motors can you provide?
A:At present, we mainly produce brushless DC motors, brush DC motors, AC motors, Universal Motors; the power of the motor is less than 5000W, and the diameter of the motor is not more than 200mm;
Q:2.Can you send me a price list?
A:For all of our motors, they are customized based on different requirements like lifetime, noise,voltage,and shaft etc. The price also varies according to annual quantity. So it’s really difficult for us to provide a price list. If you can share your detailed requirements and annual quantity, we’ll see what offer we can provide.
Q:3.Can l get some samples?
A:It depends. If only a few samples for personal use or replacement, I am afraid it’ll be difficult for us to provide because all of our motors are custom made and no stock available if there are no further needs. If just sample testing before the official order and our MOQ,price and other terms are acceptable,we’d love to provide samples.
Q4:Can you provide OEM or ODM service?
A:Yes,OEM and ODM are both available, we have the professional R&D dept which can provide professional solutions for you.
Q5:Can l visit your factory before we place an order?
A:welcome to visit our factory,we are very pleased if we have the chance to know each other more.
Q:6.What’s the lead time for a regular order?
A:For orders, the standard lead time is 15-20 days and this time can be shorter or longer based on the different model,period and quantity.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Universal, Industrial, Household Appliances, Car, Power Tools, Robot Arm |
|---|---|
| Operating Speed: | Low Speed |
| Excitation Mode: | DC |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | Can Be Choosen |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-12-21
China factory Nmrv Worm Speed Reducer Transmission Gearbox with Motor Gear Unit car gearbox
Product Description
Product Description
Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1
Detailed Photos
Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS
Exploded View:
Product Parameters
| Old Model |
New Model | Ratio | Center Distance | Power | Input Dia. | Output Dia. | Output Torque | Weight |
| RV571 | 7.5~100 | 25mm | 0.06KW~0.12KW | Φ9 | Φ11 | 21N.m | 0.7kgs | |
| RV030 | RW030 | 7.5~100 | 30mm | 0.06KW~0.25KW | Φ9(Φ11) | Φ14 | 45N.m | 1.2kgs |
| RV040 | RW040 | 7.5~100 | 40mm | 0.09KW~0.55KW | Φ9(Φ11,Φ14) | Φ18(Φ19) | 84N.m | 2.3kgs |
| RV050 | RW050 | 7.5~100 | 50mm | 0.12KW~1.5KW | Φ11(Φ14,Φ19) | Φ25(Φ24) | 160N.m | 3.5kgs |
| RV063 | RW063 | 7.5~100 | 63mm | 0.18KW~2.2KW | Φ14(Φ19,Φ24) | Φ25(Φ28) | 230N.m | 6.2kgs |
| RV075 | RW075 | 7.5~100 | 75mm | 0.25KW~4.0KW | Φ14(Φ19,Φ24,Φ28) | Φ28(Φ35) | 410N.m | 9.0kgs |
| RV090 | RW090 | 7.5~100 | 90mm | 0.37KW~4.0KW | Φ19(Φ24,Φ28) | Φ35(Φ38) | 725N.m | 13.0kgs |
| RV110 | RW110 | 7.5~100 | 110mm | 0.55KW~7.5KW | Φ19(Φ24,Φ28,Φ38) | Φ42 | 1050N.m | 35.0kgs |
| RV130 | RW130 | 7.5~100 | 130mm | 0.75KW~7.5KW | Φ24(Φ28,Φ38) | Φ45 | 1550N.m | 48.0kgs |
| RV150 | RW150 | 7.5~100 | 150mm | 2.2KW~15KW | Φ28(Φ38,Φ42) | Φ50 | 84.0kgs |
GMRV Outline Dimension:
| GMRV | A | B | C | C1 | D(H8) | E(h8) | F | G | G1 | H | H1 | I | M | N | O | P | Q | R | S | T | BL | β | b | t | V |
| 030 | 80 | 97 | 54 | 44 | 14 | 55 | 32 | 56 | 63 | 65 | 29 | 55 | 40 | 57 | 30 | 75 | 44 | 6.5 | 21 | 5.5 | M6*10(n=4) | 0° | 5 | 16.3 | 27 |
| 040 | 100 | 121.5 | 70 | 60 | 18(19) | 60 | 43 | 71 | 78 | 75 | 36.5 | 70 | 50 | 71.5 | 40 | 87 | 55 | 6.5 | 26 | 6.5 | M6*10(n=4) | 45° | 6 | 20.8(21.8) | 35 |
| 050 | 120 | 144 | 80 | 70 | 25(24) | 70 | 49 | 85 | 92 | 85 | 43.5 | 80 | 60 | 84 | 50 | 100 | 64 | 8.5 | 30 | 7 | M8*12(n=4) | 45° | 8 | 28.3(27.3) | 40 |
| 063 | 144 | 174 | 100 | 85 | 25(28) | 80 | 67 | 103 | 112 | 95 | 53 | 95 | 72 | 102 | 63 | 110 | 80 | 8.5 | 36 | 8 | M8*12(n=8) | 45° | 8 | 28.3(31.3) | 50 |
| 075 | 172 | 205 | 120 | 90 | 28(35) | 95 | 72 | 112 | 120 | 115 | 57 | 112.5 | 86 | 119 | 75 | 140 | 93 | 11 | 40 | 10 | M8*14(n=8) | 45° | 8(10) | 31.3(38.3) | 60 |
| 090 | 206 | 238 | 140 | 100 | 35(38) | 110 | 74 | 130 | 140 | 130 | 67 | 129.5 | 103 | 135 | 90 | 160 | 102 | 13 | 45 | 11 | M10*16(n=8) | 45° | 10 | 38.3(41.3) | 70 |
| 110 | 255 | 295 | 170 | 115 | 42 | 130 | – | 144 | 155 | 165 | 74 | 160 | 127.5 | 167.5 | 110 | 200 | 125 | 14 | 50 | 14 | M10*18(n=8) | 45° | 12 | 45.3 | 85 |
| 130 | 293 | 335 | 200 | 120 | 45 | 180 | – | 155 | 170 | 215 | 81 | 179 | 146.5 | 187.5 | 130 | 250 | 140 | 16 | 60 | 15 | M12*20(n=8) | 45° | 14 | 48.8 | 100 |
| 150 | 340 | 400 | 240 | 145 | 50 | 180 | – | 185 | 200 | 215 | 96 | 210 | 170 | 230 | 150 | 250 | 180 | 18 | 72.5 | 18 | M12*22(n=8) | 45° | 14 | 53.8 | 120 |
Company Profile
About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia
Logistics
After Sales Service
1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.
FAQ
1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.
Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!
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| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industry |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Right Angle |
| Gear Shape: | Worm Gear |
| Step: | Double-Step |
| Samples: |
US$ 12/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-12-21