hand wheel screw jack, handle worm gear jack screws means: A handwheel is a convenient solution for manually
operating a jack or jack systems when using worm gear screw jacks in intermittent positioning applications. Handwheels sizes can be adapted for use on jacks following customers' need.
For precise position display, a range of digital counters are available for use with Worm Gear Screw Jacks. These digital counters measure the rotation of the input shaft and display corresponding position in a counter window. The display value per input shaft revolution is variable and is achieved through a series of gear reductions configured to accommodate different jack ratios, lifting screw pitch and travel distances.