RV075 worm gearbox Mechanical Power, Gear Reducer With Extension Worm Shaft

Gearing Arrangement: Worm
Output Torque: 66N.M~~304N.M
Rated Power: 0.25~~4.0kw
Input Speed: 1400rpm
Output Speed: 14~~186rpm
Model Number: NMRV075
Speed ratio: 7.5/10/15/20/25/30/40/50/60/80/100
Housing material: Aluminium alloy
Worm gear material: chromium alloy 20CrMnTi
Worm wheel material: bronze ZQsn10-1
Bearing: Homemade bearing
Color: Blue/Silver/Coustomzied
Package size: 225*215*285mm
Package weight: 11.5kg
Certificate: ISO9001:2008 CCC,CE
Extra service: OEM
Packaging Details: 1 pc / carton,several cartons / wooden pallet
Port: NingBo port / Shanghai port / UPS / DHL/ TNT

Characteristics:The Speed reducer motor features(1) Large output torque
(2) Safe, reliable, economical and durable(3) Stable transmission, quiet operation
(4) High heat-radiating efficiency, high carrying ability(5) Combination of two single-step worm gear speed reducers, meeting the requirements of super speed ratio

Performance parameter for RV series worm gear speed reducer

Motor power Model speed ratio output speed output toruqe
NMRV075 60 24rpm 68.0N.M
NMRV075 80 18rpm 80.0N.M
NMRV075 100 14rpm 94.0N.M
NMRV075 40 35rpm 74.0N.M
NMRV075 50 28rpm 88.0N.M
NMRV075 60 24rpm 97.0N.M
NMRV075 80 18rpm 119.0N.M
NMRV075 100 14rpm 139.0N.M
NMRV075 25 56rpm 76.0N.M
NMRV075 30 47rpm 87.0N.M
NMRV075 40 35rpm 108.0N.M
NMRV075 50 28rpm 128.0N.M
NMRV075 60 24rpm 144.0N.M
NMRV075 80 18rpm 177.0N.M
NMRV075 100 14rpm 206.0N.M
NMRV075 15 94rpm 66.0N.M
NMRV075 20 70rpm 85.0N.M
NMRV075 25 56rpm 101.0N.M
NMRV075 30 47rpm 117.0N.M
NMRV075 40 35rpm 147.0N.M
NMRV075 50 28rpm 174.0N.M
NMRV075 60 24rpm 196.0N.M
NMRV075 80 18rpm 250.0N.M
NMRV075 10 140rpm 66.0N.M
NMRV075 15 94rpm 95.0N.M
NMRV075 20 70rpm 122.0N.M
NMRV075 25 56rpm 148.0N.M
NMRV075 30 47rpm 171.0N.M
NMRV075 40 35rpm 216.0N.M
NMRV075 50 28rpm 263.0N.M
NMRV075 60 24rpm 297.0N.M
NMRV075 7.5 186rpm 68.0N.M
NMRV075 10 140rpm 89.0N.M
NMRV075 15 94rpm 129.0N.M
NMRV075 20 70rpm 166.0N.M
NMRV075 25 56rpm 202.0N.M
NMRV075 30 47rpm 233.0N.M
NMRV075 40 35rpm 299.0N.M
NMRV075 7.5 186rpm 99.0N.M
NMRV075 10 140rpm 131.0N.M
NMRV075 15 94rpm 189.0N.M
NMRV075 20 70rpm 249.0N.M
NMRV075 25 56rpm 304.0N.M
NMRV075 30 47rpm 247.0N.M
NMRV075 7.5 186rpm 135.0N.M
NMRV075 10 140rpm 178.0N.M
NMRV075 15 94rpm 258.0N.M
NMRV075 7.5 186rpm 180.0N.M
NMRV075 10 140rpm 237.0N.M

The speed reducer NMRV075 Accessories outline dimension

NMRV075 200 25 47.5 20 30

Speed reducer Size of Single Extension & Double extension

D(h6) B B1 G1 L L1 f b1 t1
NMRV075 28 60 63.5 120 192 247 M10 8 31

The NMRV075 speed reducer Motor – Double extension worm shaft

G2 d(j6) B F b1 t1
NMRV075 90 24 50 M8 8 27

The NMRV075 speed reducer Motor

IEC Motor adapters
Model PAM(IEC) N M P ration Shaft:D
NMRV075 100/112B5 180 215 250 20
100/112B14 110 130 160 20
90B5 130 165 200 20 24
90B14 95 115 140 20 24
80B5 130 165 200 20 19
80B14 80 100 120 20 19
71B5 110 130 160 20

The NMRV075 speed reducer Motor – Mounting positions

Worm gearbox of Position diagram for output flange

Worm gearbox of position diagram for torque arm

Worm gearbox of position diagram for one-way output shaft

Notice for ordering:

1) when ordering,please refer to the details of the products and tell us the exact type your need according to your requirements, micro M20 DC motor with 10mm diameter planetary plastic gear box for toy robot 1.5v 3V 3.7V like input speed,output torque,configuration,installation,etc:the installation position of the products in the order should accord with your actual needs,otherwise, it will result in oil leakage, which will impact the serving life of the products negatively.if there is special requirement to the installation position,please stress it and inform us.
2) to attain the excellent state of the variators, the common working speed should be chosen in the middle position, NMRVseries25 NMRVseries30 High Quality Pulley Mini Gearbox Dc Gear Motor Worm Speed Reducer instead,it ismot appropriate to choose in the positions of min,or max.speed
3) if your requirements of worm gearbox or speed variator are different from shte standard products as in the catalogue,like:some portion that should be customized or mounted with special motors,please inform us in advance

Technical data:

Model RV025 030 040 050 063 075 090 110 130 150
Single unit versions NMRV – fitted for motor flanged coupling,
NRV – with input shaft,
NMRV-E motor flanged coupling with worm extension shaft,
NRV-E with double extension worm shaft,
Power 0.06—-15KW
Single unit reduction ratio 1:5 7.5 10 15 20 25 30 40 50 60 80 100
Output torque 2.6—1195N.M
Worm shaft 20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm
Worm wheel worm mandrel is HT250,and worm ring gear, China supply agricultural machinery parts flex auger accessories stainless screw conveyor blade ZQSn10-1