Screw Jacks' Self-locking Property
Compared with some other types of jack,the Worm gear machine screw jack has an important advantage that is it is self-locking, which means when the rotational force on the screw is removed, it will remain motionless where it was left and will not rotate backwards, regardless of how much load it is supporting. This makes them safer than the hydraulic jack itself, for example, if the force on the hy...
Oct 18 , 2019
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