Screw Jacks SJB Series

Ball screw working principle is to turn the rotary movement into a linear motion, or linear motion into the ideal rotary motion products. So the ball screw jacks have high precision,reversible and efficient features.
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Screw Jacks SJB series is  Travelling screw models operate with screw being driven through the center of the worm wheel.  In operation, the screw does not rotate.Space must be available for the screw to protrude below the gear housing when in a fully closed position.


Screw jacks SJB Series has some advantages:from self-rotating and the safety nut offers a guarantee to the security of the screw jack and monitors the wear degree of the nut.The advanced manufacturing equipments and assembling technique ensures the high quality of the products, leading designing concept creates superior products featuring in the strong shock-load resistance, high duty cycle, low noise, long lifetime and small size.



Features:

Linear speed: up to 75mm/s
Input speed:1800rpm
Stroke:up to 6.5m
Precise positioning :0.02mm/300mm
Uniform lifting speed
Quick, sure operation
with Ball screw and unself-locking function
Operating duty cycle up to 50% over a 10 minute period (normal:30%)



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