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 |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Right Angle |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Double-Step |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Enhancing Efficiency of Conveyor Systems and Material Handling Equipment with Speed Reducer Gearboxes
Speed reducer gearboxes play a significant role in optimizing the efficiency of conveyor systems and material handling equipment, contributing to smoother operations, reduced energy consumption, and improved productivity.
Conveyor Systems:
- Variable Speed Control: Speed reducer gearboxes allow precise control over the rotational speed of conveyor belts. This enables operators to adjust the speed according to the specific material being transported, preventing spills, jams, and material damage.
- Torque Amplification: By increasing torque while reducing speed, speed reducer gearboxes help conveyor systems handle heavy loads and inclines with ease. This minimizes strain on the motor and extends the equipment’s lifespan.
- Energy Efficiency: Speed reducer gearboxes convert high-speed, low-torque input into low-speed, high-torque output. This efficient power transmission reduces energy consumption, leading to cost savings and environmental benefits.
- Smooth Start and Stop: Gearboxes enable smooth acceleration and deceleration of conveyor belts, reducing wear and tear on components and minimizing product damage.
Material Handling Equipment:
- Enhanced Lifting Capacity: Speed reducer gearboxes allow material handling equipment, such as forklifts and cranes, to lift heavier loads by multiplying torque while maintaining a manageable speed.
- Precision Control: Gearboxes provide fine control over the movement of material handling equipment, allowing operators to position and place items accurately and safely.
- Reduced Operator Fatigue: The torque amplification provided by speed reducer gearboxes reduces the effort required to move heavy objects, reducing operator fatigue and improving overall ergonomics.
- Safety: Gearboxes contribute to safer operations by enabling controlled and gradual movements, minimizing the risk of sudden jerks or overexertion.
By incorporating speed reducer gearboxes into conveyor systems and material handling equipment, industries can achieve higher levels of efficiency, reliability, and safety while reducing operational costs and enhancing overall performance.

Managing Shock Loads and Sudden Speed Changes in Speed Reducer Gearboxes
Speed reducer gearboxes are designed to effectively manage shock loads and sudden changes in rotational speed, ensuring reliable operation and minimizing potential damage to both the gearbox and the connected machinery. They employ various design features and components to achieve this:
1. High-Strength Materials: Speed reducer gearboxes are constructed using durable and high-strength materials, such as alloy steel, to withstand sudden impacts and shock loads without deformation or failure.
2. Robust Bearings: Heavy-duty bearings are used to support the shafts and gears within the gearbox. These bearings are selected for their ability to handle both radial and axial loads, providing stability and reducing the risk of damage.
3. Shock-Resistant Gears: Gear teeth are designed to absorb and distribute shock loads. Tooth profiles and surface treatments are optimized to minimize stress concentrations and prevent premature wear or fractures.
4. Torque Limiters: Some speed reducer gearboxes incorporate torque limiters or overload protection devices. These mechanisms disengage the gearbox from the motor or driven equipment when excessive torque or shock loads are detected, preventing damage to the components.
5. Lubrication: Proper lubrication is essential to reduce friction and dissipate heat generated during sudden speed changes. High-quality lubricants ensure smooth operation and enhance the gearbox’s ability to absorb shocks.
6. Inertia Considerations: Speed reducer gearboxes are designed to manage changes in inertia between the input and output sides. This is important for maintaining stability during sudden acceleration or deceleration.
By incorporating these features and engineering principles, speed reducer gearboxes can effectively handle shock loads and sudden changes in rotational speed, enhancing the overall reliability and performance of mechanical systems.

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 2023-11-14