Worm gearbox

Shell: aluminum alloy (base: 025-090) cast iron (base: 110-150);

Worm: 20Cr steel. Carbonitriding treatment (after fine grinding, keep the hardness of tooth surface HRC60, and the hardness thickness is greater than 0.5mm);

Worm gear: wear-resistant nickel bronze with special configuration;
 

Model: RV25 RV30 RV40 RV50 RV63 RV75 RV90 RV110 RV130 RV150 NMRV25 NMRV30 NMRV40 NMRV50 NMRV63 NMRV75 NMRV90 NMRV110 NMRV130 NMRV150
NRV25 NRV30 NRV40 NRV50 NRV63 NRV75 NRV90 NRV110 NRV130 NRV150

Characteristic 1. Compact mechanical structure, light volume and shape, small size and high efficiency; 2. Good heat exchange performance and fast heat dissipation; 3. Simple installation, flexibility, superior performance and easy maintenance; 4. Stable operation, low noise, durable; 5. Strong usability, high safety and reliability;

NMRV Worm Gearbox with Output Flange	NRV-F Single Solid Shaft Input Worm Gearbox with Square Flange Output	NRV-VS Dual Solid Shaft Input Worm Gearbox with Flange Output	NRV Shaft Input  Worm Gearbox
NMRV-VS Dual Input Worm Gearbox with IEC Motor Flange	NMRV-F Worm Gearbox with Flange Output	PC+NMRV Worm Gearbox with PC Gear Unit	NMRV+NMRV

With all our activities DNV-ISO 9001, SGS -certified, we stand for top-quality service. Entrusting your gearboxes to the care of our Services.

Help protect your gearbox from wear and grinding, SGR gearbox converts torque reliably and effi­ciently.
We customize our SGR planetary gear units, double enveloping worm gearbox, helical gear motor, modular design helical gear unit, worm gearbox, cycloidal gearbox etc to fit your application and meet your needs. 

These features enable a reliable and safe service life of over 200 000 operational hours. 

Our customers have been placing their trust in SGR gear units since 1997. More than 500 000 gear units of our gearbox are in use reliably around the world, in many cases under very harsh conditions.