Product Description
Product Description
主要材料:
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:
产品参数
| 老款 |
新型号 | 比率 | 中心距 | 力量 | 输入直径。 | 输出直径。 | 输出扭矩 | 重量 |
| RV571 | 7.5~100 | 25毫米 | 0.06千瓦~0.12千瓦 | Φ9 | Φ11 | 21牛·米 | 0.7公斤 | |
| RV030 | RW030 | 7.5~100 | 30毫米 | 0.06千瓦~0.25千瓦 | Φ9(Φ11) | Φ14 | 45牛·米 | 1.2公斤 |
| RV040 | RW040 | 7.5~100 | 40毫米 | 0.09千瓦~0.55千瓦 | Φ9(Φ11,Φ14) | Φ18(Φ19) | 84牛·米 | 2.3公斤 |
| RV050 | RW050 | 7.5~100 | 50毫米 | 0.12千瓦~1.5千瓦 | Φ11(Φ14,Φ19) | Φ25(Φ24) | 160牛·米 | 3.5公斤 |
| RV063 | RW063 | 7.5~100 | 63毫米 | 0.18千瓦~2.2千瓦 | Φ14(Φ19,Φ24) | Φ25(Φ28) | 230牛·米 | 6.2公斤 |
| RV075 | RW075 | 7.5~100 | 75毫米 | 0.25千瓦~4.0千瓦 | Φ14(Φ19,Φ24,Φ28) | Φ28(Φ35) | 410牛·米 | 9.0公斤 |
| RV090 | RW090 | 7.5~100 | 90毫米 | 0.37千瓦~4.0千瓦 | Φ19(Φ24,Φ28) | Φ35(Φ38) | 725牛·米 | 13.0公斤 |
| RV110 | RW110 | 7.5~100 | 110毫米 | 0.55千瓦~7.5千瓦 | Φ19(Φ24,Φ28,Φ38) | Φ42 | 1050牛米 | 35.0公斤 |
| RV130 | RW130 | 7.5~100 | 130毫米 | 0.75千瓦~7.5千瓦 | Φ24(Φ28,Φ38) | Φ45 | 1550牛米 | 48.0公斤 |
| RV150 | RW150 | 7.5~100 | 150毫米 | 2.2千瓦~15千瓦 | Φ28(Φ38,Φ42) | Φ50 | 84.0公斤 |
GMRV Outline Dimension:
| GMRV | 一个 | B | C | C1 | D(H8) | E(h8) | F | G | G1 | H | H1 | 我 | M | N | 哦 | P | 问 | 拉 | 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: |
可用的
| 定制请求 |
|---|

Calculating Torque Requirements for an NMRV Gearbox
Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.
- Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
- Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
- Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox’s mechanical efficiency.
- Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it’s recommended to add a safety margin to the calculated torque requirements.
Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency
Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.

Lifespan of an NMRV Gearbox
The lifespan of an NMRV (worm gear) gearbox can vary based on several factors, including the quality of manufacturing, proper maintenance practices, operating conditions, and the specific application it is used for. However, when designed, manufactured, and maintained properly, NMRV gearboxes can have a long and reliable service life.
High-quality NMRV gearboxes that are made from durable materials, precisely machined, and assembled with care tend to have a longer lifespan. Regular maintenance, including proper lubrication, inspection, and addressing any signs of wear or damage, can significantly extend the gearbox’s operational life.
The operating conditions in which the gearbox is used also play a role in determining its lifespan. Factors such as load, temperature, speed, and environment can impact the wear and tear on the gearbox components.
It’s important to follow the manufacturer’s recommendations for maintenance intervals and procedures to ensure optimal performance and longevity of the NMRV gearbox. By adhering to these guidelines and addressing any issues promptly, users can expect an NMRV gearbox to provide reliable service for many years.

为您的应用选择合适尺寸的NMRV齿轮箱
为您的应用选择合适尺寸的NMRV齿轮箱需要考虑几个重要因素:
- 输入功率: 确定您的应用所需的功率,包括输入速度和所需的输出扭矩。
- 服务因素: 应考虑运行过程中可能出现的任何过载或意外情况。应用运行系数可确保齿轮箱能够应对偶尔出现的峰值负载。
- 输出速度: 计算变速箱所需的输出转速。这对于确保变速箱满足您的应用要求至关重要。
- 运行条件: 考虑变速箱运行的环境条件,包括温度、湿度以及接触灰尘或化学品的情况。
- 安装和空间: 评估可用于安装变速箱的空间,并确保其尺寸符合规定。
- 轴配置: 确定变速箱是否需要特定的轴配置,或者是否需要联轴器等附加部件。
- 应用类型: 考虑变速箱将用于何种应用类型,例如输送系统、搅拌器、混合器或其他特定应用。
- 负载特性: 分析负载特性,包括负载类型(恒定、间歇、冲击),以确保变速箱能够承受负载变化。
与变速箱制造商或分销商密切合作至关重要,他们可以提供技术支持,并根据您的具体应用要求协助您选择合适尺寸的 NMRV 变速箱。


editor by CX 2023-12-21