high precision small worm helical gearbox for lifting machinery

Quick Details

Gearing Arrangement: Worm
Output Torque: 1.8-2430N.M
Rated Power: 0.06 KW - 22 KW
Input Speed: 1400RPM
Output Speed: 14RPM-280RPM
Toothed Portion Shape: Involute spur gear
Manufacturing method of gear: Cast gear
Color: Silver or Blue
Material of Housing: Aluminium Alloy
Mount Position: Foot Mounted, Flange Mounted
Extra Service: OEM Welcome
Certification: ISO9001-2000

Product Description

Aluminum alloy speed gearbox/ worm gear box/ gear reducer NMRV025-150 Transmission Machinery has many advantages compared with the speed reducer made by other company. Our company can offer two models of speed reducer, such as single step worm gear reducer and double step worm gear reducer. Nayuan Transmission adopts high quality aluminum alloy die casting box to manufacture worm gear reducer. Our worm gear speed reducer features in light weight, good appearance, compact structure and rust-proof. Nayuan can provide worm gear speed reducer with various reduction ratios for the customers to choose.

Structure Features

Aluminum alloy speed gearbox/ worm gear box/ gear reducer NMRV025 030 040 050 63 75 90 110 130 150
1. Made of high quality aluminum alloy, light in weight and non-rusting
2. Large in output torque
3. Smooth in running and low in noise, can work long time in dreadful conditions
4. High in radiating efficiency
5. Good looking in appearance, durable in service life and small in volume
6. Suitable for Omnibearing installation


Detail Accoessries

Type: Worm Gear Speed Reducer
Model: NMRV025, 030, 040, 050, 063, 075, 090, 110, 130, 150
Ratio: 1:5,7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/Silver or customer request
Housing: Aluminum alloy and casting iron
Packing: Carton/Wooden case
Bearing: C&U Bearing
Seal: NAK , SKF
Warranty: 12 months
Input Motor power: 0.06kw, 0.09kw, 0.12kw, 0.18kw, 0.25kw, 0.37kw, 0.55kw, 0.75kw, 1.1kw, 1.5kw, 2.2kw, 3kw, 4kw, 5.5kw, 7.5kw, 11kw, 15kw
Usages: Industrial Machine: Food Stuff, Ceramics ,CHEMICAL, Packing ,Dyeing ,Wooding working ,Glass
IEC Flange: 56B5, 56B14, 63B5, 63B14, 71B5, 71B14, 80B5, 80B14, 90B5, 90B14, 100B5, 100B14, 112B5, 112B14, 132B5, 160B5
Lubricant: Synthetic & Mineral


Gearbox Materials

1. Housing: die-cast aluminum alloy (Housing size: 025-090); cast iron (Housing size: 110-150)
2. Shaft: 20Cr, carbonize and quencher heat treatment make the hardness of gear tooth surface up to 56-62 HRC, retain carburization layer’s thickness between 0.3-0.5mm after precise grinding
3. Worm Wheel: Wearable bronze alloy


Service Factor

Aluminum alloy speed gearbox/ worm gear box/ gear reducer NMRV025-150
Please read before use
1. Load condition
2. Speed of rotationi or speed ratio (combination with combine speed reducer can get extra low outputing rotational speed)
3. Work circumstance (temperature, humidity, corrosion etc.)
4. Space of installation

Our Services

Our main products are gearbox, reducer, gear, worm, worm gearbox, worm reducer, speed gearbox, transmission, drive part, motor, coupling, planetary gearboxes, helical gearboxes, Sprockets Gears and Racks, variators, Timing Belt Pulleys and v pulleys and sheaves, shaft collars and motor bases, Chains and Belts, shaft and agricultural gearboxes, Bushes and Hubs Couplings, screw jacks and housing. Kindly, if you need Gearbox, please send us the Model, Ratio and Quantity. Then I will give you the best offer