CMN-NMRV蜗轮减速器/蜗轮箱
CMN-NMRV worm gear reducers use a worm (a screw-like gear) that meshes with a worm wheel (a circular gear). The rotational motion of the worm is converted into a slower rotational motion of the worm wheel, providing a high reduction ratio. CMN-NMRV worm gearboxes are commonly used in industrial applications that require high reduction ratios, high torque output, and compact design. They are often found in machinery, conveyors, and other power transmission systems.
CMN-NMRV worm gear reducers use a worm (a screw-like gear) that meshes with a worm wheel (a circular gear). The rotational motion of the worm is converted into a slower rotational motion of the worm wheel, providing a high reduction ratio. CMN-NMRV worm gearboxes are commonly used in industrial applications that require high reduction ratios, high torque output, and compact design. They are often found in machinery, conveyors, and other power transmission systems.

CMN-NMRV Worm Gearbox Model & Marker
| CMN-NMRV-063-30-VS-F1(FA)-AS-80B5-0.75kW-B3 | |||
| CMN-NMRV | Worm geared motor | ||
| CMN-NRV | Worm reduction unit | ||
| 063 | Center distance | ||
| 30 | 还原率 | ||
| VS | Double input shaft | F1(FA) | Output flange |
| AS | Single output shaft | AB | Double output shaft |
| PAM | Fitted for motor coupling | 80B5 | Motor size & mounting position |
| 0.75kW | Power of electric motor | B3 | Mounting position |
Mounting Position

Flange F-FL

Position of Terminal Box

Position of Output Shaft

Double Extension Worm Shaft

Position of Torque Arm

CMN-NMRV Worm Gear Reducer Dimensions
CMN-NMRV Inch Series



| Hollow Output Bore | 030 | 040 | 050 | 063 | 075 | 090 | 110 | 130 | |
| RH | 0.71 | 0.84 | 1.12 | 1.24 | 1.37 | 1.52 | 1.8 | 1.93 | |
| SH | 0.188 | 0.188 | 0.25 | 0.25 | 0.25 | 0.313 | 0.375 | 0.375 | |
| UH | 0.625+0.001 0 | 0.75+0.001 0 | 1+0.001 0 | 1.125+0.001 0 | 1.25+0.001 0 | 1.375+0.001 0 | 1.625+0.001 0 | 1.750 | |
| VB | 0.83 | 1.14 | 1.28 | 1.42 | 1.56 | 1.77 | 1.97 | 2.24 | |
| 输出轴 | 030 | 040 | 050 | 063 | 075 | 090 | 110 | 130 | |
| 拉 | 0.7 | 0.83 | 1.11 | 1.23 | 1.36 | 1.51 | 1.79 | 1.92 | |
| S | 0.188 | 0.188 | 0.25 | 0.25 | 0.25 | 0.313 | 0.375 | 0.375 | |
| U | 0.6250 -0.0005 | 0.750 -0.0005 | 10 -0.0005 | 0 -0.0005 | 1.250 -0.0005 | 1.3750 -0.0005 | 1.6250 -0.0005 | 1.750 -0.0005 | |
| U KEY | 0.1875x1.125 | 0.1875x1.5 | 0.25x1.5 | 0.25x1.875 | 0.25x2.25 | 0.3125x2.5 | 0.375x2.75 | 0.375x2.75 | |
| UT | 1/4-20 | 1/4-20 | 3/8-16 | 3/8-16 | 1/2-13 | 1/2-13 | 5/8-11 | 5/8-11 | |
| V | 1.57 | 1.97 | 1.97 | 2.36 | 2.76 | 3.15 | 3.54 | 3.54 | |
| VA | 1.67 | 2.09 | 2.11 | 2.5 | 2.89 | 3.33 | 3.72 | 3.74 | |
| 是 | 5.82 | 7.25 | 7.84 | 9.41 | 10.5 | 12.17 | 13.54 | 14.17 | |
| CMN-NMRV | 030 | 040 | 050 | 063 | 075 | 090 | 110 | 130 |
| 一个 | 2.48 | 3.07 | 3.62 | 4.41 | 4.72 | 5.51 | 6.1 | 6.69 |
| B | 2.24 | 2.81 | 3.31 | 4.02 | 4.69 | 5.31 | 6.59 | 7.38 |
| BA | 2.56 | 2.95 | 3.35 | 3.74 | 4.53 | 5.12 | 6.5 | 8.46 |
| 公元前 | 2.95 | 3.43 | 3.94 | 4.33 | 5.51 | 6.3 | 7.87 | 9.84 |
| BH | 90 ° | 45 ° | 45 ° | 45 ° | 45 ° | 45 ° | 45° | 45 ° |
| BK | 2.165 0 -0.0018 | 2.362 0 -0.0018 | 2.756 0 -0.0018 | 3.15 0 -0.0021 | 3.74 0 -0.0021 | 4.331 0 -0.0021 | 5.118 0 -0.0025 | 7.087 0 -0.0025 |
| BL | M6x11 | M6x10 | M8x10 | M8x14 | M8x14 | M10x18 | M10x18 | M12x21 |
| C | 1.18 | 1.57 | 1.97 | 2.48 | 2.95 | 3.54 | 4.33 | 5.12 |
| D | 1.57 | 1.97 | 2.36 | 2.83 | 3.39 | 4.06 | 5.02 | 5.81 |
| E | 2.13 | 2.76 | 3.15 | 3.94 | 4.72 | 5.51 | 6.69 | 7.87 |
| F | 1.73 | 2.36 | 2.76 | 3.35 | 3.54 | 3.94 | 4.53 | 4.72 |
| G | 0.22 | 0.26 | 0.28 | 0.31 | 0.39 | 0.43 | 0.57 | 0.61 |
| H | 0.26 | 0.26 | 0.33 | 0.33 | 0.45 | 0.51 | 0.55 | 0.63 |
| J | 3.15 | 3.98 | 4.76 | 5.75 | 6.85 | 8.19 | 9.94 | 11.52 |
| K | 1.26 | 1.69 | 1.93 | 2.64 | 2.83 | 2.91 | - | - |
| L | 2.2 | 2.8 | 3.35 | 4.06 | 4.41 | 5.12 | 5.67 | 6.1 |
| M | 2.28 | 2.87 | 3.43 | 4.17 | 4.49 | 5.28 | 5.83 | 6.38 |
| N | 1.06 | 1.38 | 1.57 | 1.97 | 2.36 | 2.76 | 3.35 | 3.94 |
| O | 3.82 | 4.78 | 5.67 | 6.85 | 8.07 | 9.37 | 11.61 | 13.19 |
| P | 2.64 | 3.15 | 3.54 | 4.13 | 4.96 | 5.63 | 6.81 | 7.6 |
| 问 | 0.83 | 2.36 | 2.91 | 3.54 | 4.13 | 4.92 | 5.59 | 6.38 |
| T | 1.73 | 2.17 | 2.52 | 3.15 | 3.66 | 4.02 | 4.92 | 5.51 |
| Z | 2.91 | 3.63 | 3.92 | 4.71 | 5.25 | 6.09 | 6.77 | 7.09 |
| Output Flange | AA | AB | 交流电 | 广告 | AF | AG | AH | AK | AL | ||
| 030 | FA | 2.68 | 2.15 | 3.15 | 2.76 | 0.24 | 0.16 | 45° | 1.969 | +0.0015 0 | 0.26 |
| 040 | FA | 2.95 | 2.64 | 4.33 | 3.74 | 0.28 | 0.16 | 45° | 2.362 | +0.0018 | 0.35 |
| 0 | |||||||||||
| FB | 2.95 | 3.82 | 4.33 | 3.74 | 0.28 | 0.16 | 45° | 2.362 | +0.0018 0 | 0.35 | |
| FC | 4.53 | 3.15 | 5.51 | - | 0.35 | 0.2 | 45° | 3.74 | +0.0021 0 | 0.37 | |
| FD | 3.94 | 2.28 | 4.72 | - | 0.47 | 0.2 | 45° | 3.15 | +0.0018 | 0.35 | |
| 0 | |||||||||||
| 050 | FA | 3.35 | 3.54 | 4.92 | 4.33 | 0.35 | 0.2 | 45° | 2.756 | +0.0018 | 0.43 |
| 0 | |||||||||||
| FB | 3.35 | 4.72 | 4.92 | 4.33 | 0.35 | 0.2 | 45° | 2.756 | +0.0018 0 | 0.43 | |
| FC | 5.12 | 3.5 | 6.3 | - | 0.39 | 0.2 | 45° | 4.331 | +0.0021 0 | 0.37 | |
| FD | 4.53 | 2.83 | 5.51 | - | 0.57 | 0.2 | 45° | 3.543 | +0.0021 | 0.43 | |
| 0 | |||||||||||
| 063 | FA | 4.13 | 3.23 | 7.09 | 5.59 | 0.39 | 0.24 | 45° | 4.528 | +0.0021 | 0.43 |
| 0 | |||||||||||
| FB | 5.91 | 4.41 | 7.09 | 5.59 | 0.39 | 0.24 | 45° | 4.528 | +0.0021 | 0.43 | |
| 0 | |||||||||||
| FC | 6.5 | 3.86 | 7.87 | - | 0.39 | 0.2 | 45° | 5.118 | +0.0025 0 | 0.43 | |
| FD | 6.5 | 4.21 | 7.87 | - | 0.39 | 0.2 | 45° | 5.118 | +0.0025 | 0.43 | |
| 0 | |||||||||||
| FE | 5.12 | 3.17 | 6.3 | - | 0.65 | 0.2 | 45° | 4.331 | +0.0021 | 0.43 | |
| 0 | |||||||||||
| 075 | FA | 6.5 | 4.37 | 7.87 | 6.69 | 0.51 | 0.24 | 45° | 5.118 | +0.0025 | 0.55 |
| 0 | |||||||||||
| FB | 5.12 | 3.54 | 6.3 | - | 0.51 | 0.24 | 45° | 4.331 | +0.0021 | 0.55 | |
| 0 | |||||||||||
| 090 | FA | 6.89 | 4.37 | 8.27 | 8.27 | 0.51 | 0.24 | 45° | 5.984 | +0.0025 | 0.55 |
| 0 | |||||||||||
| FB | 8.46 | 4.8 | 9.84 | - | 0.71 | 0.24 | 45° | 7.087 | +0.0025 0 | 0.55 | |
| FC | 6.5 | 4.33 | 7.87 | - | 0.67 | 0.24 | 45° | 5.118 | +0.0025 0 | 0.43 | |
| FD | 6.89 | 5.94 | 8.27 | - | 0.51 | 0.24 | 45° | 5.984 | +0.0025 | 0.55 | |
| 0 | |||||||||||
| 110 | FA | 9.06 | 5.16 | 11.02 | 10.24 | 0.59 | 0.24 | 45° | 6.693 | +0.0025 | 0.55 |
| 0 | |||||||||||
| FB | 9.06 | 7.09 | 11.02 | 10.24 | 0.59 | 0.24 | 45° | 6.693 | +0.0025 | 0.55 | |
| 0 | |||||||||||
| 130 | FA | 10.04 | 5.51 | 12.6 | 11.42 | 0.59 | 0.24 | 22.5° | 7.087 | +0.0025 0 | 0.63 |
| 输入轴 | 030 | 040 | 050 | 063 | 075 | 090 | 110 | 130 | |
| SB | 0.094 | 0.125 | 0.188 | 0.188 | 0.188 | 0.188 | 0.25 | 0.25 | |
| RB | 0.42 | 0.55 | 0.7 | 0.83 | 0.96 | 0.96 | 1.24 | 1.36 | |
| UB | 0.3750 -0.0005 | 0.50 -0.0005 | 0.6250 -0.0005 | 0.750 -0.0005 | 0.8750 -0.0005 | 0.8750 -0.0005 | 1.1250 -0.0005 | 1.250 -0.0005 | |
| UB KEY | 0.094x0.875 | 0.125x0.875 | 0.1875x1.125 | 0.1875x1.5 | 0.1875x1.875 | 0.1875x1.875 | 0.25x2.25 | 0.25x2.5 | |
| UR | - | 1/4-20 | 1/4-20 | 1/4-20 | 1/4-20 | 1/4-20 | 3/8-16 | 1/2-13 | |
| VN | 1.18 | 1.18 | 1.58 | 1.97 | 2.36 | 2.36 | 2.76 | 3.15 | |
High Speed Extension Shaft Dimensions

| CMN-NMRV | EA | U | VN | UR | S2 | R2 | KEY | |
| 长度 | Square | |||||||
| 030 | 1.772 | 0.3750 -0.0005 | 1.18 | - | 0.093 | 0.42 | 0.875 | 0.094 |
| 040 | 2.087 | 0.50 -0.0005 | 1.18 | 1/4-20 | 0.13 | 0.55 | 0.875 | 0.125 |
| 050 | 2.52 | 0.6250 -0.0005 | 1.58 | 1/4-20 | 0.19 | 0.7 | 1.125 | 0.188 |
| 063 | 2.953 | 0.750 -0.0005 | 1.97 | 1/4-20 | 0.19 | 0.83 | 1.5 | 0.188 |
| 075 | 3.543 | 0.8750 -0.0005 | 2.36 | 1/4-20 | 0.19 | 0.96 | 1.875 | 0.188 |
| 090 | 4.252 | 0.8750 -0.0005 | 2.36 | 1/4-20 | 0.19 | 0.96 | 1.875 | 0.188 |
| 110 | 5.315 | 1.1250 -0.0005 | 2.76 | 3/8-16 | 0.25 | 1.24 | 2.25 | 0.25 |
| 130 | 6.102 | 1.250 -0.0005 | 3.15 | 1/2-13 | 0.25 | 1.36 | 2.5 | 0.25 |
扭矩臂尺寸

| 我 | IA | IL | IR | IW | |
| 025 | 2.76 | 0.69 | 0.31 | 0.59 | 0.55 |
| 030 | 3.35 | 0.94 | 0.31 | 0.59 | 0.55 |
| 040 | 3.94 | 1.24 | 0.39 | 0.71 | 0.55 |
| 050 | 3.94 | 1.52 | 0.39 | 0.71 | 0.55 |
| 063 | 5.91 | 1.93 | 0.39 | 0.71 | 0.55 |
| 075 | 7.87 | 1.87 | 0.79 | 1.18 | 0.98 |
| 090 | 7.87 | 2.26 | 0.79 | 1.18 | 0.98 |
| 110 | 9.84 | 2.44 | 0.98 | 1.38 | 1.18 |
| 130 | 9.84 | 2.72 | 0.98 | 1.38 | 1.18 |
保护罩尺寸

| CMN-NMRV | 问 |
| 030 | 1.65 |
| 040 | 1.97 |
| 050 | 2.28 |
| 063 | 2.72 |
| 075 | 2.91 |
| 090 | 3.39 |
| 110 | 3.7 |
| 130 | 4.02 |
NEMA Flange Availability
| CMN-NMRV | NEMA 法兰 | Input Bore Diameter | Available Ratios | |||||||||||
| 5 | 7.5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | 80 | 100 | |||
| 030 | 48C | 0.5 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | |
| 040 | 56C | 0.625 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 050 | 56C | 0.625 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| 063 | 56C | 0.625 | ● | ● | ● | ● | ● | ● | ● | ● | ||||
| 140TC | 0.875 | ● | ● | ● | ● | ● | ● | ● | ||||||
| 075 | 56C | 0.625 | ● | ● | ● | ● | ||||||||
| 140TC | 0.875 | ● | ● | ● | ● | ● | ● | |||||||
| 180TC | 1.125 | ● | ● | ● | ||||||||||
| 090 | 56C | 0.625 | ● | ● | ||||||||||
| 140TC | 0.875 | ● | ● | ● | ● | ● | ||||||||
| 180TC | 1.125 | ● | ● | ● | ● | ● | ● | ● | ||||||
| 110 | 140TC | 0.875 | ● | ● | ● | ● | ||||||||
| 180TC | 1.125 | ● | ● | ● | ● | ● | ● | |||||||
| 210TC | 1.375 | ● | ● | ● | ● | |||||||||
| 130 | 140TC | 0.875 | ● | ● | ||||||||||
| 180TC | 1.125 | ● | ● | ● | ● | ● | ||||||||
| 210TC | 1.375 | ● | ● | ● | ● | ● | ● | ● | ||||||
CMN-NMRV Worm Gear Reducer Advantages
- High Reduction Ratios
CMN-NMRV worm gear reducers provide exceptionally high reduction ratios in a single stage, making them ideal for applications requiring significant speed reduction. This capability eliminates the need for additional stages, simplifying the design and reducing system complexity. - 紧凑轻巧的设计
Their compact structure and lightweight aluminum alloy housing make them suitable for applications with limited space. The small form factor ensures easy installation and integration into systems while maintaining high performance and durability, even under demanding conditions. - 高扭矩输出
These worm drive gearboxes are capable of delivering high torque, essential for powering heavy-duty machinery. This feature ensures reliable performance in industrial applications, including conveyors, mixers, and other systems requiring substantial force for operation. - 运行平稳安静
Due to their unique design, CMN-NMRV worm gear reducers operate with minimal noise and vibration. This makes them suitable for noise-sensitive environments, such as food processing plants, laboratories, or residential areas where quiet operation is critical. - Durable and Corrosion-Resistant Housing
The use of high-quality aluminum alloy or cast iron housing ensures excellent resistance to wear, corrosion, and environmental conditions. This durability allows the worm reducer gearboxes to maintain long-term efficiency, even in harsh industrial or outdoor settings. - Versatility and Customization Options
CMN-NMRV worm gear speed reducers are available in various configurations, sizes, and mounting options, allowing them to be tailored to specific applications. Their adaptability makes them a preferred choice for diverse industries, from automotive to manufacturing and beyond.

CMN-NMRV Worm Drive Gearbox Applications
- 输送系统
CMN-NMRV worm drive gearboxes are widely used in conveyor systems for material handling. Their high torque and smooth operation ensure precise and efficient movement of goods in industries like logistics, manufacturing, and food processing, even under heavy loads. - 包装机械
These worm gearboxes are essential in packaging equipment, where compact size and precision are critical. They help drive components like belts, rollers, and sealing mechanisms, ensuring reliable and high-speed operation in automated packaging lines. - Industrial Mixers and Agitators
In industries such as chemical, pharmaceutical, and food production, CMN-NMRV industrial worm gearboxes power mixers and agitators. Their ability to deliver high torque and handle variable speeds ensures consistent mixing, even in applications requiring high viscosity materials. - 起重机和升降机
The heavy duty worm drive gearboxes are used extensively in cranes and hoists due to their robust torque capabilities and reliability. They allow smooth lifting and lowering of heavy materials, making them suitable for construction, shipping, and warehousing industries. - Automated Gates and Barriers
In security and access control systems, CMN-NMRV worm reduction gearboxes are used to power automated gates, barriers, and turnstiles. Their compact design, quiet operation, and precision make them ideal for residential, commercial, and industrial settings. - 农业机械
These worm gear reducer gearboxes play a vital role in agricultural equipment such as poultry feeding equipment and irrigation systems. Their efficient power transmission and durability ensure reliable operation in demanding outdoor environments, boosting productivity in the agricultural sector.
![]() | ![]() |
| 矿业和建筑用蜗轮减速机 | 用于食品输送系统的蜗轮蜗杆减速机 |
![]() | ![]() |
| 农业机械用蜗轮减速机 | 起重和提升设备的蜗轮蜗杆减速机 |
其他信息
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