How to control the screw jack stroke? Oct 18 , 2018

Worm gear screw jacks should not be driven into their mechanical limits, particularly models with higher speeds.  Simple stroke control can be provided with limit switches.  These can be mounted externally, or in the case of travelling screw models they can be fitted to the cover tube.

Alternatively control of the stroke position can be achieved by motor encoder feedback to a suitable drive or controller.  Limit switches are still recommended to provide a safety back-up.

Worm gear screw jacks

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