Nema 23 stepper motor with RV20 worm gearbox speed reducer used in many CNC Applications.

Material for worm reducer gearbox RV20:

Worm wheel: Nodular cast iron and bronze

Worm shaft: 20Cr steel.The hardness of surface is 56-62HRC with carbonized layer 0.3-0.5mm

Housing: aluminum with oven painting

Color: silver or blue. send randomly if no mark left.

Feature Description of nema 23 worm gear stepper motor :

High quality aluminum alloy die cast gearbox

High accuracy worm gear and worm shaft

Less noise and lower temperature increase

Easy mounting and linking, high efficiency