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Learn about mechanical screw jacks, which are used for lifting and pulling heavy loads and structures in industrial plants, ships, and machinery assembly. Find out the differences between lifting and pulling screw jacks and how they work horizontally and vertically.
Screw Jacks are mechanical transmission devices used to convert rotational motion into linear motion for wide range of industrial applications. They incorporate a worm gearbox mechanism where an alloy steel worm rotates a high strength bronze worm gear.
Learn about screw jacks, mechanical actuators that convert rotary motion into linear motion or force. Compare machine screw jacks and ball screw jacks, and find out how to select the right screw jack for your load.
Screw jacks come assembled, threaded, and ready for hookup. Connect a motor or hand-crank shaft to the screw jack shaft to lift, hold, position, and level loads. Travel distance per turn, also known as screw lead, is the distance a load moves with one revolution of the shaft.
Our classic E-Series screw jacks features a precision worm gear set, powerful lead screw, robust housing, two integrated lubrication mechanisms and a comprehensive range of options. Capacity ranges from 5kN to 2,000kN as standard; as customised design it can be up to 3,500kN.
Screw Jacks. Malleable housings are lighter and unbreakable. A hardened, large chrome-moly ball floating cap centers the load automatically and reduces friction by 88%. The steel cap is constructed of corrugated, drop-forged steel with a self-leveling 9 degree float.
Support beams and joists. Choose from our selection of Acme screw jacks, wrench-adjustable screw jacks, ball screw jacks, and more. In stock and ready to ship.
