CMN-NMRV025 Worm Gear Reducers/Worm Gearbox

The CMN-NMRV025 worm gear reducer is a compact and efficient mechanical device used to reduce speed and increase torque in various industrial applications. It utilizes a worm and worm wheel mechanism, where the worm (a screw-like component) engages with the worm wheel (a toothed gear). This design allows for smooth, quiet operation and achieves high torque output while minimizing vibration. It is widely used in industries such as conveyor systems, packaging machinery, and automation due to its small size, high efficiency, and versatility.

The CMN-NMRV025 worm gear reducer is a compact and efficient mechanical device used to reduce speed and increase torque in various industrial applications. It utilizes a worm and worm wheel mechanism, where the worm (a screw-like component) engages with the worm wheel (a toothed gear). This design allows for smooth, quiet operation and achieves high torque output while minimizing vibration.

The CMN-NMRV025 model worm gearbox is part of the NMRV series, known for its lightweight aluminum alloy housing, which offers excellent corrosion resistance and durability. It is widely used in industries such as conveyor systems, packaging machinery, and automation due to its small size, high efficiency, and versatility. The worm reducer gearbox supports multiple mounting positions and offers a range of gear ratios to meet diverse operational needs.

CMN-NMRV 025 Worm Gearbox

CMN-NMRV025 Worm Gearbox Specifications

TypeCMN-NMRV025 Worm Gearbox/ Worm Gear Speed Reducer
ModelCMN-NMRV025
Reduction Ratio5,7.5,10,15,20,25,30,40,50,60,80,100
FlangeFA / FL or as per your demands
Matching Motor0.06KW~15KW
MaterialDie-casting Aluminum Alloy
ColorBlue /Silver Grey /Customized
Flange StandardPAM / IEC
AccessoriesShaft, Flange, Torque arm, etc
LubricantSynthetic Oil or Worm Gear Oil
UsageMachinery of food stuff, ceramics, chemicals, packing, dyeing, wood working, glass industries, etc
Note:
1) Please choose from the above specifications.
2) If the above options can not meet your demands, please send us your requirements(ratio, flange, mounting, application, or a picture of your old one), and we will recommond a suitable type. 

Mounting Position

Mounting Position

Flange F-FL

Flange F-FL

Position of Terminal Box

Position of Terminal Box

Position of Output Shaft

Position of Output Shaft

Double Extension Worm Shaft

Double Extension Worm Shaft

Position of Torque Arm

Position of Torque Arm

CMN-NMRV025 Worm Gear Reducer Dimensions

CMN-NMRV025 Worm Gear Reducer Dimensions CMN-NMRV025 Worm Gear Reducer Dimensions CMN-NMRV025 Worm Gear Reducer Dimensions

CMN-NMRV Worm Gear Reducer Dimensions

CMN-NMRV Inch Series

CMN-NMRV Worm Gear Reducer DimensionsCMN-NMRV Worm Gear Reducer DimensionsCMN-NMRV Worm Gear Reducer Dimensions

Hollow Output Bore030040050063075090110130
RH0.710.841.121.241.371.521.81.93
SH0.1880.1880.250.250.250.3130.3750.375
UH0.625+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
VB0.831.141.281.421.561.771.972.24
Output Shaft030040050063075090110130
R0.70.831.111.231.361.511.791.92
S0.1880.1880.250.250.250.3130.3750.375
U0.6250
-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 KEY0.1875x1.1250.1875x1.50.25x1.50.25x1.8750.25x2.250.3125x2.50.375x2.750.375x2.75
UT1/4-201/4-203/8-163/8-161/2-131/2-135/8-115/8-11
V1.571.971.972.362.763.153.543.54
VA1.672.092.112.52.893.333.723.74
Y5.827.257.849.4110.512.1713.5414.17
CMN-NMRV030040050063075090110130
A2.483.073.624.414.725.516.16.69
B2.242.813.314.024.695.316.597.38
BA2.562.953.353.744.535.126.58.46
BC2.953.433.944.335.516.37.879.84
BH90 °45 °45 °45 °45 °45 °45°45 °
BK2.165 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
BLM6x11M6x10M8x10M8x14M8x14M10x18M10x18M12x21
C1.181.571.972.482.953.544.335.12
D1.571.972.362.833.394.065.025.81
E2.132.763.153.944.725.516.697.87
F1.732.362.763.353.543.944.534.72
G0.220.260.280.310.390.430.570.61
H0.260.260.330.330.450.510.550.63
J3.153.984.765.756.858.199.9411.52
K1.261.691.932.642.832.91--
L2.22.83.354.064.415.125.676.1
M2.282.873.434.174.495.285.836.38
N1.061.381.571.972.362.763.353.94
O3.824.785.676.858.079.3711.6113.19
P2.643.153.544.134.965.636.817.6
Q0.832.362.913.544.134.925.596.38
T1.732.172.523.153.664.024.925.51
Z2.913.633.924.715.256.096.777.09
Output FlangeAAABACADAFAGAHAKAL
030FA2.682.153.152.760.240.1645°1.969+0.0015
0
0.26
040FA2.952.644.333.740.280.1645°2.362+0.00180.35
0
FB2.953.824.333.740.280.1645°2.362+0.0018
0
0.35
FC4.533.155.51-0.350.245°3.74+0.0021
0
0.37
FD3.942.284.72-0.470.245°3.15+0.00180.35
0
050FA3.353.544.924.330.350.245°2.756+0.00180.43
0
FB3.354.724.924.330.350.245°2.756+0.0018
0
0.43
FC5.123.56.3-0.390.245°4.331+0.0021
0
0.37
FD4.532.835.51-0.570.245°3.543+0.00210.43
0
063FA4.133.237.095.590.390.2445°4.528+0.00210.43
0
FB5.914.417.095.590.390.2445°4.528+0.00210.43
0
FC6.53.867.87-0.390.245°5.118+0.0025
0
0.43
FD6.54.217.87-0.390.245°5.118+0.00250.43
0
FE5.123.176.3-0.650.245°4.331+0.00210.43
0
075FA6.54.377.876.690.510.2445°5.118+0.00250.55
0
FB5.123.546.3-0.510.2445°4.331+0.00210.55
0
090FA6.894.378.278.270.510.2445°5.984+0.00250.55
0
FB8.464.89.84-0.710.2445°7.087+0.0025
0
0.55
FC6.54.337.87-0.670.2445°5.118+0.0025
0
0.43
FD6.895.948.27-0.510.2445°5.984+0.00250.55
0
110FA9.065.1611.0210.240.590.2445°6.693+0.00250.55
0
FB9.067.0911.0210.240.590.2445°6.693+0.00250.55
0
130FA10.045.5112.611.420.590.2422.5°7.087+0.0025
0
0.63
Input Shaft030040050063075090110130
SB0.0940.1250.1880.1880.1880.1880.250.25
RB0.420.550.70.830.960.961.241.36
UB0.3750
-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 KEY0.094x0.8750.125x0.8750.1875x1.1250.1875x1.50.1875x1.8750.1875x1.8750.25x2.250.25x2.5
UR-1/4-201/4-201/4-201/4-201/4-203/8-161/2-13
VN1.181.181.581.972.362.362.763.15

High Speed Extension Shaft Dimensions

High Speed Extension Shaft Dimensions

CMN-NMRVEAUVNURS2R2KEY
LengthSquare
0301.7720.3750
-0.0005
1.18-0.0930.420.8750.094
0402.0870.50
-0.0005
1.181/4-200.130.550.8750.125
0502.520.6250
-0.0005
1.581/4-200.190.71.1250.188
0632.9530.750
-0.0005
1.971/4-200.190.831.50.188
0753.5430.8750
-0.0005
2.361/4-200.190.961.8750.188
0904.2520.8750
-0.0005
2.361/4-200.190.961.8750.188
1105.3151.1250
-0.0005
2.763/8-160.251.242.250.25
1306.1021.250
-0.0005
3.151/2-130.251.362.50.25

Torque Arm Dimensions

Torque Arm Dimensions

IIAILIRIW
0252.760.690.310.590.55
0303.350.940.310.590.55
0403.941.240.390.710.55
0503.941.520.390.710.55
0635.911.930.390.710.55
0757.871.870.791.180.98
0907.872.260.791.180.98
1109.842.440.981.381.18
1309.842.720.981.381.18

Protective Cover Dimensions

Protective Cover Dimensions

CMN-NMRVQ
0301.65
0401.97
0502.28
0632.72
0752.91
0903.39
1103.7
1304.02

NEMA Flange Availability

CMN-NMRVNEMA
Flange
Input Bore
Diameter
Available Ratios
57.5101520253040506080100
03048C0.5
04056C0.625
05056C0.625
06356C0.625
140TC0.875
07556C0.625
140TC0.875
180TC1.125
09056C0.625
140TC0.875
180TC1.125
110140TC0.875
180TC1.125
210TC1.375
130140TC0.875
180TC1.125
210TC1.375

CMN-NMRV025 Worm Gear Reducer Advantages

1. Compact and Lightweight Design
The CMN-NMRV025 worm drive gearbox features a compact and lightweight aluminum alloy housing, making it easy to install in limited spaces. Its reduced weight does not compromise its durability, allowing it to perform efficiently in demanding industrial applications while being easy to handle and transport.

2. High Efficiency and Torque Output
This worm gear reducer delivers exceptional torque output while ensuring high efficiency. Its worm and worm wheel design provides smooth power transmission, enabling the gearbox to handle heavy loads effectively, making it suitable for applications requiring significant torque.

3. Corrosion-Resistant Construction
Built with high-quality materials and coated for protection, the CMN-NMRV025 worm reducer gearbox resists corrosion and wear. This feature makes it ideal for use in harsh environments, including those with exposure to moisture, chemicals, or extreme temperatures, ensuring a longer lifespan.

4. Low Noise and Vibration
The worm gear reducer operates with minimal noise and vibration, thanks to its precision-engineered worm gear mechanism. This characteristic makes it an excellent choice for environments where quiet operation is essential, such as packaging lines or automated systems.

5. Versatile Mounting Options
The CMN-NMRV025 worm gear gearbox offers flexibility in installation, supporting various mounting positions to adapt to different system requirements. This versatility allows it to integrate seamlessly into a wide range of machinery, ensuring compatibility and ease of use in industrial setups.

6. Wide Range of Gear Ratios
With multiple gear ratio options, the CMN-NMRV025 worm gear speed reducer can be customized to meet diverse speed and torque requirements. This adaptability makes it suitable for a variety of applications, from high-speed operations to tasks requiring precise control and lower speeds.

CMN-NMRV025 Worm Gear Reducer

CMN-NMRV025 Worm Reducer Gearbox Applications

  • Food Processing Industry
    The CMN-NMRV025 worm gear reducer is widely used in food processing equipment, such as conveyors and mixers, due to its corrosion-resistant aluminum housing and low-noise operation. Its compact design ensures efficient torque transmission, meeting hygiene and space requirements in food production lines.
  • Textile Manufacturing
    In textile machinery, the NMRV025 worm reducer gearbox drives looms, spinning machines, and winding systems. Its high torque output and precise speed reduction ensure smooth operation, while the self-locking feature prevents reverse motion, enhancing safety and reliability in high-speed textile production environments.
  • Ceramics Production
    The NMRV025 worm gear gearbox is ideal for ceramics manufacturing, powering equipment like clay mixers and molding machines. Its durable tin bronze worm wheel and robust construction withstand abrasive environments, delivering consistent performance and reducing maintenance needs in demanding, dust-heavy ceramic processing applications.
  • Automation and Robotics
    This worm gear reducer gearbox supports automation systems and robotic arms by providing precise speed control and high torque in a compact form. Its compatibility with NEMA 23 stepper motors and versatile mounting options make it perfect for precise, repeatable movements in automated assembly lines.
  • Packaging Machinery
    In packaging systems, the NMRV025 worm gear drive gearbox drives conveyor belts, sealing machines, and labeling equipment. Its lightweight design and low maintenance requirements, enabled by synthetic oil lubrication, ensure reliable operation, while its quiet performance suits high-speed packaging lines in various industries.
  • Material Handling Systems
    The NMRV025 worm reduction gearbox is employed in material handling equipment like hoists and automated conveyors. Its self-locking capability enhances safety by preventing load backdriving, and its high reduction ratios provide the torque needed for heavy-duty lifting and transport in logistics and warehousing.

Worm Gear Reducer

Additional information

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