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Home » Manual Worm Gear Screw Jacks
Manual Worm Gear Screw Jacks
Manual worm gear screw jacks (also known as a manual worm drive screw jack, a hand wheel screw jack, a hand crank screw jack, or a manually operated screw jack) is a convenient solution for manually operating a screw jack to lifting of load, pushing or pulling of mechanical equipment, adjusting of lift height of mechanical parts. Manual worm gear screw jacks working principle: worm screw is rotated manually operated by a handwheel, worm gear is rotated by worm screw, the trapezoidal lifting screw moves through the rotating worm gear. The manual worm gear screw jacks linear motion speed of trapezoidal lifting screw depends on thread size and rotation ratio of worm gears. Hand wheels are available in a range of diameters from 100mm to 900mm and can be adapted for use on screw jacks from 250kg up to the 20 ton capacity model. Note: Hand wheels do not include a brake and therefore are not for use with ball screw jacks. About manual worm gear screw jacks 2D Autocad dwg, dxf assembly drawings, and 3D stp, step, model, igs, prt or catpart assembly drawings, please contact us directly.

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Hand Wheel Screw Jack Classic Design

Manual Operation Worm Drive Screw Jack Cubic Design

Hand Crank Screw Jack Classic Design

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