JWM (trapezoid-type) Screw Jack

Low speed and Low frequency

JWM (trapezoid-type) is applicable to the occasion with the low speed and low frequency. Key component include exact trapezoid-type screw counter gear and high-precision worm gear and worn counter gear

Economy

Compact structure, easy operation and convenient maintenance

Low speed and frequency

Be suitable for heavy load, low speed and non-frequency.

Self-Lock

The trapezoid-type screw has self-lock function, it can hold up load without braking device when screw stops traveling

* Braking device equipped for self-lock will be of malfunction accidentally when large jolt impact load occur.