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 |
|---|

Customization of Speed Reducer Gearboxes for Specific Industrial Needs
Yes, speed reducer gearboxes can be customized to meet specific industrial requirements. Manufacturers offer various customization options to ensure that the gearboxes align with the unique needs of different applications:
- Design Flexibility: Manufacturers can modify the design of speed reducer gearboxes to accommodate specific space constraints, mounting arrangements, and input-output shaft configurations.
- Gear Ratio Selection: Custom gear ratios can be selected to optimize the speed reduction or increase for a particular application, allowing for tailored torque and speed requirements.
- Material Selection: Gearbox components can be crafted from different materials based on factors such as corrosion resistance, temperature tolerance, and load-bearing capacity.
- Sealing and Protection: Customized sealing solutions, such as IP-rated enclosures and specialized gaskets, can be integrated to enhance protection against dust, moisture, and harsh environments.
- Lubrication Systems: Gearboxes can be equipped with specialized lubrication systems to ensure consistent and efficient lubrication in specific operating conditions.
- Accessories and Attachments: Manufacturers can add accessories like external cooling fans, temperature sensors, and mounting flanges to enhance gearbox performance and monitoring.
- Compliance with Standards: Customized gearboxes can be designed to meet industry-specific standards, certifications, and safety requirements.
By collaborating with manufacturers and providing detailed specifications, industries can obtain speed reducer gearboxes that are tailor-made to their specific needs, ensuring optimal performance and reliability in their applications.

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.

Types of Speed Reducer Gearboxes and Their Applications
Speed reducer gearboxes come in various types, each designed to suit specific applications and performance requirements. These gearbox designs leverage different gear arrangements and mechanisms to achieve the desired speed reduction and torque amplification. Here are some common types of speed reducer gearboxes and their applications:
1. Planetary Gearbox: Planetary gearboxes, also known as epicyclic gearboxes, consist of a central sun gear, multiple planet gears, and a ring gear. This compact design allows for high torque output and efficiency. Planetary gearboxes are commonly used in applications requiring high torque and precision, such as robotics, automated machinery, and aerospace systems.
2. Helical Gearbox: Helical gearboxes utilize helical gears with inclined teeth to transmit power. They provide smooth and quiet operation and are suitable for applications that require moderate speed reduction and torque amplification, such as conveyors, pumps, and industrial mixers.
3. Worm Gearbox: Worm gearboxes consist of a worm screw and a worm wheel. They offer high torque output and are known for their self-locking capability, making them ideal for applications where backdriving prevention is essential, such as lifting mechanisms, gates, and heavy machinery.
4. Bevel Gearbox: Bevel gearboxes use bevel gears to transmit power between intersecting shafts. They are suitable for changing the direction of rotation and transmitting power at right angles. Bevel gearboxes are commonly used in printing presses, woodworking equipment, and automotive applications.
5. Cycloidal Drive Gearbox: Cycloidal drive gearboxes use a unique mechanism with cycloidal motion to achieve speed reduction and torque amplification. They are known for their high shock-load resistance and compact design. Cycloidal drive gearboxes find applications in robotics, packaging machinery, and material handling systems.
6. Spur Gearbox: Spur gearboxes utilize straight-cut spur gears for power transmission. They are simple in design and are suitable for low-speed applications that require minimal torque amplification, such as printing machines, textile equipment, and food processing machinery.
7. Hypoid Gearbox: Hypoid gearboxes use hypoid gears that resemble spiral bevel gears. They offer higher torque capacity and smoother operation compared to traditional bevel gearboxes. Hypoid gearboxes are commonly used in automotive drivetrains and heavy-duty machinery.
8. Harmonic Drive Gearbox: Harmonic drive gearboxes use a flexible spline and wave generator to achieve speed reduction and torque amplification. They are known for their high precision and backlash-free operation, making them suitable for applications requiring precise motion control, such as semiconductor manufacturing and medical devices.
Each type of speed reducer gearbox offers unique advantages and characteristics, making them suitable for specific applications across industries. The choice of gearbox type depends on factors such as required torque, speed reduction ratio, space limitations, efficiency, and operational demands.


editor by CX 2023-09-27