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!
| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Right Angle |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Double-Step |
| Samples: |
US$ 12/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
可用的
| 定制请求 |
|---|

Using NMRV Gearboxes in High-Load Applications
NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It’s important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application’s load demands.

Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.

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 2023-11-02