Gear speed reducer professional manufacturers.Gear reducer and Micro reducer are our main products.
NMRV gear reducer  Type & Expressions

Basic
parameters

Series Code NMRV Worm Reducer with Flange Input
NRV Worm Reducer with Shaft Input
DRV Combination Worm Reducer
Frame size

030,040,050,063,
075,090,110,130

RV Frame Size
030/040, 030/050,
030/063, 040/075,
040/090, 050/110,
063/130
DRV Combination Frame SPEC
Drive ratio 7.5,10,15,20,25,30,
40,50,60,80,100
Ratio of NMRV and NRV (i=5~100)
100,150,200,250,300,
400,500,600,750,900,
1200,1500,1800,2400,
3000,3200
Ratio of DRV (i=100~3200)

Input
and
output
structure

Worm shaft out of axle E Extension Worm Shaft
Worm Wheel out of axle SS Worm Wheel with Single Output Shaft
DS Worm Wheel with Double Output Shaft
Output flange FA,FB,FC,FD,FE Configure Output Flange

Application
configuration

Torque arm A Configure Torque Arm
Motor XXB5,XXB14 Frame Size & Structure of Motor
Mounting positions B3,B6,B7,B8 Mounting Position in Horizon
V3,V6 Mounting Position in Vertical

Worm reducer product label marked according to the following rules:

Such as: NMRV063-40E/F1/DS/71B5/B3
NRV063-30/SS/A/B3
DRV030/063-1200/63B5/B3



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