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!
| 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 |
|---|

Considerations for Choosing Lubrication for Speed Reducer Gearboxes
Choosing the right lubrication for speed reducer gearboxes is crucial to ensure optimal performance, longevity, and efficiency. Several factors should be taken into account when making this decision:
- Operating Conditions: Consider the temperature range, load, and speed at which the gearbox operates. Extreme temperatures or heavy loads may require specialized lubricants.
- Lubricant Type: Choose between oil and grease lubrication. Oil provides better heat dissipation and is suitable for high-speed applications, while grease offers better sealing and is ideal for applications with frequent starts and stops.
- Viscosity: Select the appropriate viscosity grade of lubricant based on the operating conditions. Higher viscosity is generally preferred for heavy loads and high temperatures.
- Additives: Some applications may require lubricants with specific additives, such as anti-wear additives, extreme pressure additives, or corrosion inhibitors, to enhance performance and protection.
- Sealing and Contamination: Consider the effectiveness of sealing mechanisms to prevent contamination from dust, water, and other particles. Proper sealing helps extend the lubricant’s lifespan.
- Compatibility: Ensure that the selected lubricant is compatible with the materials used in the gearbox construction, including seals, gaskets, and gear materials.
- Re-Lubrication Intervals: Determine how frequently re-lubrication is required. Some applications may demand frequent re-lubrication, while others can operate with longer intervals.
- Environmental Impact: Consider environmental regulations and restrictions when selecting lubricants to minimize ecological impact and ensure compliance.
By carefully evaluating these factors and consulting with lubrication experts, industries can choose the right lubrication strategy for their speed reducer gearboxes, promoting smooth operation and extending the equipment’s service life.

Maintenance Practices for Extending the Lifespan of Speed Reducer Gearboxes
Proper maintenance is essential for ensuring the longevity and optimal performance of speed reducer gearboxes. Here are some crucial maintenance practices to extend their lifespan:
Regular Inspection: Conduct routine visual and auditory inspections to identify any signs of wear, misalignment, or unusual noise. Detecting issues early allows for timely intervention and prevents further damage.
Lubrication: Follow the manufacturer’s guidelines for lubrication frequency and type. Adequate lubrication ensures smooth gear operation, reduces friction, and prevents premature wear and overheating.
Lubricant Quality: Use high-quality lubricants recommended by the gearbox manufacturer. Proper lubricant selection contributes to effective lubrication and protection against corrosion.
Cleaning: Regularly clean the exterior of the gearbox to prevent the accumulation of dirt, debris, and contaminants that could impact its performance and cooling ability.
Torque Check: Periodically check and re-tighten mounting bolts and fasteners to maintain proper torque and prevent loosening due to vibrations and operational forces.
Alignment: Ensure proper shaft alignment to minimize excessive loads on gears and bearings. Misalignment can lead to increased wear and reduced efficiency.
Temperature Monitoring: Monitor the operating temperature of the gearbox and ensure it stays within the recommended range. Excessive heat can degrade lubricant properties and damage internal components.
Seal Inspection: Check seals and gaskets for signs of leaks. Damaged seals can lead to lubricant loss and contamination, affecting gearbox performance.
Filter Replacement: If the gearbox has a filtration system, regularly replace filters to maintain clean lubricant and prevent abrasive particles from causing damage.
Vibration Analysis: Perform periodic vibration analysis to detect any abnormal vibrations that could indicate misalignment, imbalance, or other issues. Addressing these problems promptly can prevent further damage.
Professional Service: Engage with qualified technicians or service providers for comprehensive inspections and maintenance, especially for complex or critical applications.
By adhering to these maintenance practices, you can maximize the lifespan of your speed reducer gearboxes, ensure reliable operation, and avoid costly downtime or premature replacement.

What is a Speed Reducer Gearbox and How Does It Function in Mechanical Systems?
A speed reducer gearbox, also known as a gear reducer or gearhead, is a mechanical device used to reduce the rotational speed of an input shaft while increasing the output torque. It consists of a combination of gears with different sizes and configurations that work together to achieve the desired speed reduction and torque increase.
The primary function of a speed reducer gearbox is to adapt the output speed and torque of a power source, such as an electric motor or an internal combustion engine, to match the requirements of a specific application. By changing the speed and torque characteristics, the gearbox enables efficient power transmission and motion control in various industrial and mechanical systems.
The basic operation of a speed reducer gearbox involves the interaction of different types of gears, such as spur gears, helical gears, bevel gears, and worm gears. These gears mesh together to create a mechanical advantage, which results in the reduction of output speed and the amplification of output torque. The specific gear arrangement and ratios determine the extent of speed reduction and torque multiplication achieved by the gearbox.
Speed reducer gearboxes find widespread use in applications where the input power source operates at higher speeds and lower torques than what is required for the output application. Examples include conveyor systems, industrial machinery, robotics, automotive transmissions, and various types of manufacturing equipment. By providing the necessary speed reduction and torque increase, speed reducer gearboxes play a crucial role in optimizing the performance and efficiency of these mechanical systems.
In summary, a speed reducer gearbox is a mechanical component that utilizes gear combinations to reduce input speed and increase output torque, enabling effective power transmission and motion control in a wide range of industrial applications.


editor by CX 2023-09-26