Product Description
HangZhou CHINAMFG Transmission Equipnenit Co,Ltd
is based on the global industrial automation field. it is
saies of planetary reducers, hollow rotary platforrres,
a manufacturer specializing in R&D, production and
and special reducers. It belongs to “National High-tech
Enterprise”. The headquarters and production center are located in HangZhou City,ZheJiang Province, which is known as the “world factory”, and there are service centers and transit warehouses in ZheJiang . ZheJiang ,HangZhou and other places.
The company’s core team members have more than 10 years of experience in the transmission industry and gear processing industry, and are good at solving a variety of internal and external gears and processing solutions. The company has summed up a complete set of “transmission quality management system” to ensure the relative accuracy of each component after combination,and provide high pass rate and high efficiency guarantee for the whole machine to leave the factory. We use advanced computer software for design and demonstration,combined with years of experience in mechanical transmission and motion
control, to provide global motion and control solutions. Our products have the characteristics of high precision, large bearing torque, long life, low noise, stable operation, strong versatility and maintenance-free Quality is the foundation of enterprise survival. We provide the market with stable and high-quality products and provide more optimized automation
solutions. Always take “user demand” as the business purpose of the enterprise, take “scientific and
technological innovation” as the foundation of the company’s development, and implement the Iso
quality management system operation into all aspects of the company.
Our products are widely used in aerospace,CNC machine tools, cutting and welding equipment,textile printing and dyeing machinery packaging machinery, food machinerymedical machineryships,radardata communication systems,robots,robotic arms, composite materials equipmentprecision testing
Instruments, testing machines,plastic machinery, glass machinery,coal mining machinery,lifting machinery, metallurgical machinery,construction machinery and other fields.
The process of our pursuit of success is the process of continuous sublimation of our relationship with you. The success of the company is inseparable from the long-term support and help of many customers and friends. Facing the future, we will serve you more. HangZhou CHINAMFG Transmission Equipment Co.,Ltd. will go hand in hand with you to create brilliant!
Hollow rotary platform RPA200:
The rotary platform reducer uses parallel shaft helical teeth and cross roller bearings to carry the load, so as to realize hollow threading, deceleration and increase the moment of inertia. This type of reducer can be directly used as a slewing support, with a slewing accuracy of less than 20 arc seconds. It is widely used in 3C electronic industry and precision machine tools. The speed ratios of the rotary platform reducer are 5, 10, 15 and 18. Other speed ratios need to be developed again. Use the motor from 50 watts to 750 watts. The frame numbers are 60, 85, 130 and 200.
Application scope of rotary platform: the rotary platform is characterized by overload, high rotation accuracy and low clearance measurement. Its product categories include shaft type and side shaft type, There are 3 types of right angle structures, which are mainly applicable to mechanical arms, CNC turntables, alignment mechanisms, military radars, automation, measurement and fields requiring high accuracy in experiments. Selection steps of rotary platform:
1. Select the rotary table size according to the workpiece size; 2. Determine the model according to the size of rotary table; 3. Select reduction ratio according to speed and torque; 4. Select the positioning mode according to the installation mode; 5. Select the accuracy according to the working conditions.
The hollow rotary platform can be used for:
1. Rotary worktable in production line automation transformation;
2. Rotary chuck in laser marking or engraving machine;
3. The rotation axis in the precision alignment mechanism;
4. Light load manipulator joint;
5. High precision gear direct drive;
6. High precision, high torque, high rigidity, easy to use, with high-performance closed-loop stepping motor;
The hollow rotary platform is a blank in the current market, directly replacing the cam splitter and DD motor. The hollow rotary platform is a digital rotary platform with high positioning accuracy. It has the advantage of low cost and high accuracy, and occupies a strong market in the rotary platform category
| Model | Unit | RPA060 | RPA085 | RPA130 | RPA200 | RPA280 | RPA450 | Ratios |
| Rated output torque | Nm | 6.0 | 35.0 | – | – | – | – | 5 |
| 3.5 | 18.0 | 50.0 | 90.0 | 150.0 | 450.0 | 10 | ||
| – | 7.5 | – | – | – | – | 15 | ||
| – | – | 25.0 | 50.0 | – | – | 18 | ||
| Stop fault torque | Nm | 3 *Nominal torqute | ||||||
| No load torque | 0.1 |
0.18 | 0.6 | 1.2 | 1.8 | 2.6 | ||
| Load bearing type | Cross roller bearing RPA6571 |
Cross roller bearing RPA8533 |
Cross roller bearing RPA13062 |
Cross roller bearing RPA25710 |
Cross roller bearing RPA280150 |
Cross roller bearing RPA450150 |
||
| Maximum permissible radial force | N | 1800 | 4500 | 8000 | 12000 | 12500 | 18500 | |
| Maximum allowable axial force | N | 1800 | 4500 | 8000 | 12000 | 12500 | 18500 | |
| Nm/arcmin | Nm | 120 | 340 | 1000 | 2200 | 3000 | 4000 | |
| Torsional rigidity | Nm/arcmin | 2.4 | 5.8 | 16.0 | 28.5 | 40.0 | 55.0 | |
| Platform end face runout | mm | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.02 | ≤0.02 | |
| Platform radial runout | mm | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.02 | ≤0.02 | |
| Rotary accuracy | acrmin | ≤1(±0.5) | ≤1(±0.5) | ≤1(±0.5) | ≤1(±0.5) | ≤1(±0.5) | ≤1(±0.5) | |
| Rated output speed | rpm | 200 | 200 | 200 | 150 | 100 | 100 | |
| Maximum output speed | rpm | 500 | 450 | 350 | 300 | 200 | 200 | |
| Body weight | Kg | 0.55 | 1.4(1.1) | 2.5 | 8.8 | 25 | 40 | |
| Design bearing | Kg | 10 | 22 | 50 | 120 | 160 | 300 | |
| Noise | dB | ≤55 | ≤55 | ≤58 | ≤62 | ≤65 | ≤68 | |
| Lifetime | h | 20000 | ||||||
| Minimum operating temperature | ºC | +90 | ||||||
| Degree of protection | IP | IP65 | ||||||
| Lubrication method | Long term lubrication | |||||||
| Installation method | Any | |||||||
| Direction of rotation | Output, input reverse | |||||||
| Full load efficiency | % | 50% | ||||||
Q: How to get a quick quote
A: Please provide the following information when contacting us
- Motor brand
- Motor model
- Motor dimension drawing
- What is the gear ratio
Q: How long is your delivery date
A: We all install it now, but it takes 3-5 days if it is not non-standard. Non standard 10-15 days, depending on the specific situation
Q:Do you provide samples, free or extra
A: A: You can reserve 1 first, and purchase it on demand
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| Specification: | RPA85-L1 |
|---|---|
| Trademark: | PLANETX |
| Origin: | China |
| Customization: |
Available
| Customized Request |
|---|

How do gear reducers contribute to energy efficiency in machinery and equipment?
Gear reducers play a significant role in enhancing energy efficiency in various machinery and equipment. Here’s how they contribute:
1. Speed Reduction: Gear reducers are commonly used to reduce the speed of the input shaft, allowing the motor to operate at a higher speed where it’s most efficient. This speed reduction helps match the motor’s optimal operating range, reducing energy consumption.
2. Torque Increase: Gear reducers can increase torque output while decreasing speed, enabling machinery to handle higher loads without the need for a larger, more energy-intensive motor.
3. Matching Load Requirements: By adjusting gear ratios, gear reducers ensure that the machinery’s output speed and torque match the load requirements. This prevents the motor from operating at unnecessary high speeds, saving energy.
4. Variable Speed Applications: In applications requiring variable speeds, gear reducers allow for efficient speed control without the need for continuous motor adjustments, improving energy usage.
5. Efficient Power Transmission: Gear reducers efficiently transmit power from the motor to the load, minimizing energy losses due to friction and inefficiencies.
6. Motor Downsizing: Gear reducers enable the use of smaller, more energy-efficient motors by converting their higher speed, lower torque output into the lower speed, higher torque needed for the application.
7. Decoupling Motor and Load Speeds: In cases where the motor and load speeds are inherently different, gear reducers ensure the motor operates at its most efficient speed while still delivering the required output to the load.
8. Overcoming Inertia: Gear reducers help overcome the inertia of heavy loads, making it easier for motors to start and stop, reducing energy consumption during frequent operation.
9. Precise Control: Gear reducers provide precise control over speed and torque, optimizing the energy consumption of machinery in processes that require accurate adjustments.
10. Regenerative Braking: In some applications, gear reducers can be used to capture and convert kinetic energy back into electrical energy during braking or deceleration, improving overall energy efficiency.
By efficiently managing speed, torque, and power transmission, gear reducers contribute to energy-efficient operation, reducing energy consumption, and minimizing the environmental impact of machinery and equipment.

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 2024-02-05
China Custom MA340T Rotary motor assembly/excavator parts swing assembly Rotary/speed/planetary reducer spare parts gearbox components of gearbox
Product Description
Walking motor assembly,travel motor assembly,drive assembly
Product Description
final drive assembly,CCHC brand,for 70 ton-excavator use.
Certifications
CCHC Hydraulics has passed the attestation of ISO9001:2015 Certificate on Dec 19,2018; ISO9001:2015 Quality Managment System Certificate and ISO14001:2015 Environmental Management System Certificate on Jan 10,2571.
Company Profile
ZheJiang CHINAMFG Hydraulics Co., Ltd. formerly was established in February, 2571, and officially put into operation on October 14th, 2011,the company is 1 of the subsidiaries of ZheJiang Xihu (West Lake) Dis.n Machinery Group,the total investment is 2.6 billion yuan, which is 1 of the largest high-end mechanical power flow products in China so far. The main products include pumps, valves, motors,reducers, gearboxes, etc. The product application covers engineering machinery, agricultural machinery,industry and other fields.
Packing
Packing according to customer’s requirement
ODM & OEM are both ok, since we have a sophisticated R&D team and precise equipment with the yearly output of 35000 pieces.
Besides, we have another 3 brother companies belonging to our Xihu (West Lake) Dis.n Group. One is Xihu (West Lake) Dis.de Construction Machinery Co., Ltd, which manufactures excavators, 1 is ZheJiang Xihu (West Lake) Dis.n Paike Agricultural Machinery Co., Ltd, which is an agricultural machinery manufacturing enterprise integrating R&D, manufacturing, sales and service, the other is ZheJiang Xihu (West Lake) Dis.n Casting Industry Co. Ltd which produces cast iron and other metals.
So, please feel no hesitate to send your inquiries, we will offer you the best price in time and the thoughtful service forever.
If for any other usages,pls message us the details,as photos of pumps,nameplates and excavator brands and models informations.
| After-sales Service: | Video and online technical support |
|---|---|
| Warranty: | 1 year |
| Type: | travel assembly |
| Application: | Excavator |
| Certification: | ISO9001: 2000 |
| Condition: | New |
| Samples: |
US$ 3154/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-12-08
China Agricultural Gear Box Reducer Transmission Gearbox Flail Rotary Mower Cutter Tiller Right Angle Bevel Pto Agriculture Gearbox for Euro Agricultural Machines automatic gearbox
Merchandise Description
GTM Rotary mower gearbox
High High quality Planet-Course Agricultural Gearbox
Product Description
| Model | RG090 |
| Product Name | Rotary Cutter Gearbox |
| Ratio | Custom-made |
| Materials | QT450 for housing, 20CrMnTi for gear and shaft. |
Comprehensive Images
Application
Business Profile
Manufacturing facility
GTM manufacturing unit is positioned in ZHangZhoug, China. There has a professional team and sophisticated equipment. CNC workshop, equipment hobbing workshop, gear teeth inserting workshop, gear enamel shaving cutters grinding machine, warmth-treatment workshop, assembly workshop and automatic spray portray line forms a full assembly line. To produce much more probability.
About us
GTM is a expert agricultural machine gearbox company.
It makes much more than 1,000 types of items and supports OEM and ODM.
Including lawn mower series, rotary tiller sequence, rice harvester sequence, CZPT transportation storage series, and so on. Has export for several nation like American, Australia, India, Poland, and many others. We work with a lot of nicely-recognized manufacturers like John Deere, Bush Hog, and many others. Our once-a-year generation is 300,000 units, and our turnover in 2571 is USD 28 million. The export ratio is eighty%, and the domestic market place is 20%.
Exhibition
|
US $40-400 / Piece | |
200 Pieces (Min. Order) |
###
| Application: | Agricultural Machinery |
|---|---|
| Function: | Speed Increase |
| Layout: | Transmission |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Custom-Made |
###
| Customization: |
Available
|
|---|
###
| Model | RG090 |
| Product Name | Rotary Cutter Gearbox |
| Ratio | Customized |
| Materials | QT450 for housing, 20CrMnTi for gear and shaft. |
|
US $40-400 / Piece | |
200 Pieces (Min. Order) |
###
| Application: | Agricultural Machinery |
|---|---|
| Function: | Speed Increase |
| Layout: | Transmission |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Custom-Made |
###
| Customization: |
Available
|
|---|
###
| Model | RG090 |
| Product Name | Rotary Cutter Gearbox |
| Ratio | Customized |
| Materials | QT450 for housing, 20CrMnTi for gear and shaft. |
How to Select a Gearbox
When you drive your vehicle, the gearbox provides you with traction and speed. The lower gear provides the most traction, while the higher gear has the most speed. Selecting the right gear for your driving conditions will help you maximize both. The right gearing will vary based on road conditions, load, and speed. Short gearing will accelerate you more quickly, while tall gearing will increase top speed. However, you should understand how to use the gearbox before driving.
Function
The function of the gearbox is to transmit rotational energy to the machine’s drive train. The ratio between input and output torque is the ratio of the torque to the speed of rotation. Gearboxes have many different functions. A gearbox may have multiple functions or one function that is used to drive several other machines. If one gear is not turning, the other will be able to turn the gearbox. This is where the gearbox gets its name.
The pitch-controlled system has an equal number of failure modes as the electrical system, accounting for a large proportion of the longest machine downtime and halt time. The relationship between mechanisms and faults is not easily modeled mathematically. Failure modes of gearboxes are shown in Fig. 3. A gearbox’s true service life is six to eight years. However, a gearbox’s fault detection process must be developed as mature technology is required to reduce the downtime and avoid catastrophic incidents.
A gearbox is a vital piece of machinery. It processes energy produced by an engine to move the machine’s parts. A gearbox’s efficiency depends on how efficiently it transfers energy. The higher the ratio, the more torque is transferred to the wheels. It is a common component of bicycles, cars, and a variety of other devices. Its four major functions include:
In addition to ensuring gearbox reliability, a gearbox’s maintainability should be evaluated in the design phase. Maintainability considerations should be integrated into the gearbox design, such as the type of spare parts available. An appropriate maintenance regime will also determine how often to replace or repair specific parts. A proper maintenance procedure will also ensure that the gearbox is accessible. Whether it is easy to access or difficult to reach, accessibility is essential.
Purpose
A car’s transmission connects the engine to the wheels, allowing a higher-speed crankshaft to provide leverage. High-torque engines are necessary for the vehicle’s starting, acceleration, and meeting road resistance. The gearbox reduces the engine’s speed and provides torque variations at the wheels. The transmission also provides reversing power, making it possible to move the vehicle backwards and forwards.
Gears transmit power from one shaft to another. The size of the gears and number of teeth determine the amount of torque the unit can transmit. A higher gear ratio means more torque, but slower speed. The gearbox’s lever moves the engaging part on the shaft. The lever also slides the gears and synchronizers into place. If the lever slips to the left or right, the engine operates in second gear.
Gearboxes need to be closely monitored to reduce the likelihood of premature failure. Various tests are available to detect defective gear teeth and increase machine reliability. Figure 1.11(a) and (b) show a gearbox with 18 teeth and a 1.5:1 transmission ratio. The input shaft is connected to a sheave and drives a “V” belt. This transmission ratio allows the gearbox to reduce the speed of the motor, while increasing torque and reducing output speed.
When it comes to speed reduction, gear box is the most common method for reducing motor torque. The torque output is directly proportional to the volume of the motor. A small gearbox, for example, can produce as much torque as a large motor with the same output speed. The same holds true for the reverse. There are hybrid drives and in-line gearboxes. Regardless of the type, knowing about the functions of a gearbox will make it easier to choose the right one for your specific application.
Application
When selecting a gearbox, the service factor must be considered. Service factor is the difference between the actual capacity of the gearbox and the value required by the application. Additional requirements for the gearbox may result in premature seal wear or overheating. The service factor should be as low as possible, as it could be the difference between the lifetime of the gearbox and its failure. In some cases, a gearbox’s service factor can be as high as 1.4, which is sufficient for most industrial applications.
China dominates the renewable energy industry, with the largest installed capacity of 1000 gigawatts and more than 2000 terawatt hours of electricity generated each year. The growth in these sectors is expected to increase the demand for gearboxes. For example, in China, wind and hydropower energy production are the major components of wind and solar power plants. The increased installation capacity indicates increased use of gearboxes for these industries. A gearbox that is not suitable for its application will not be functional, which may be detrimental to the production of products in the country.
A gearbox can be mounted in one of four different positions. The first three positions are concentric, parallel, or right angle, and the fourth position is shaft mount. A shaft mount gearbox is typically used in applications where the motor can’t be mounted via a foot. These positions are discussed in more detail below. Choosing the correct gearbox is essential in your business, but remember that a well-designed gearbox will help your bottom line.
The service factor of a gearbox is dependent on the type of load. A high shock load, for example, can cause premature failure of the gear teeth or shaft bearings. In such cases, a higher service factor is required. In other cases, a gearbox that is designed for high shock loads can withstand such loads without deteriorating its performance. Moreover, it will also reduce the cost of maintaining the gearbox over time.
Material
When choosing the material for your gearbox, you must balance the strength, durability, and cost of the design. This article will discuss the different types of materials and their respective applications and power transmission calculations. A variety of alloys are available, each of which offers its own advantages, including improved hardness and wear resistance. The following are some of the common alloys used in gears. The advantage of alloys is their competitive pricing. A gear made from one of these materials is usually stronger than its counterparts.
The carbon content of SPCC prevents the material from hardening like SS. However, thin sheets made from SPCC are often used for gears with lower strength. Because of the low carbon content, SPCC’s surface doesn’t harden as quickly as SS gears do, so soft nitriding is needed to provide hardness. However, if you want a gear that won’t rust, then you should consider SS or FCD.
In addition to cars, gearboxes are also used in the aerospace industry. They are used in space travel and are used in airplane engines. In agriculture, they are used in irrigation, pest and insect control machinery, and plowing machines. They are also used in construction equipment like cranes, bulldozers, and tractors. Gearboxes are also used in the food processing industry, including conveyor systems, kilns, and packaging machinery.
The teeth of the gears in your gearbox are important when it comes to performance. A properly meshing gear will allow the gears to achieve peak performance and withstand torque. Gear teeth are like tiny levers, and effective meshing reduces stress and slippage. A stationary parametric analysis will help you determine the quality of meshing throughout the gearing cycle. This method is often the most accurate way to determine whether your gears are meshing well.
Manufacturing
The global gear market is divided into five key regions, namely, North America, Europe, Asia Pacific, and Latin America. Among these regions, Asia Pacific is expected to generate the largest GDP, owing to rapidly growing energy demand and investments in industrial infrastructure. This region is also home to some of the largest manufacturing bases, and its continuous building of new buildings and homes will support the industry’s growth. In terms of application, gearboxes are used in construction, agricultural machinery, and transportation.
The Industrial Gearbox market is anticipated to expand during the next several years, driven by the rapid growth of the construction industry and business advancements. However, there are several challenges that hamper the growth of the industry. These include the high cost of operations and maintenance of gear units. This report covers the market size of industrial gearboxes globally, as well as their manufacturing technologies. It also includes manufacturer data for the period of 2020-2024. The report also features a discussion of market drivers and restraints.
Global health crisis and decreasing seaborne commerce have moderately adverse effects on the industry. Falling seaborne commerce has created a barrier to investment. The value of international crude oil is expected to cross USD 0 by April 2020, putting an end to new assets development and exploitation. In such a scenario, the global gearbox market will face many challenges. However, the opportunities are huge. So, the market for industrial gearboxes is expected to grow by more than 6% by 2020, thanks to the increasing number of light vehicles sold in the country.
The main shaft of a gearbox, also known as the output shaft, spins at different speeds and transfers torque to an automobile. The output shaft is splined so that a coupler and gear can be connected to it. The counter shaft and primary shaft are supported by bearings, which reduce friction in the spinning element. Another important part of a gearbox is the gears, which vary in tooth count. The number of teeth determines how much torque a gear can transfer. In addition, the gears can glide in any position.


editor by czh 2023-01-15