screw jack

Screw Jack Systems provide comprehensive lifting and positioning style solutions for a wide selection of industries. Highly accurate and intensely dependable machine screw and ball screw jacks are matched with an comprehensive range of drive, connection, movement control, safety, and protection components to supply a complete bundle from a single source.

We offers system style assistance, taking the guess work out of product selection. Our years of software experience assures that all elements of the look process are considered. We also offer full assembly drawings, which gives time saving value and screw jack china guarantees the right system components are integrated into your design.
Worm Gear Screw Jack systems are ruggedly designed and produced in standard versions with load managing capacities from 1/4 ton to 100 tons. They may be used individually or in multiple plans. There are no “regular” travel lengths and all Worm Gear Screw Jack systems are built to specification.
The jack housings are made from ductile iron and proportioned to aid the rated capacity of the machine. MJ, 1/4 ton, and 1/2 ton models have light weight aluminum housings.

Each Worm Gear Screw Jack incorporates an alloy metal worm which drives a higher strength bronze worm equipment (drive sleeve). The worm shaft is supported on antifriction tapered roller bearings with external seals provided to avoid lack of lubrication (sealed radial bearings on the MJ, 1/4 , 1/2, and 1 ton products). The drive sleeve is usually backed on antifriction tapered roller or ball thrust bearings. Rotation of the drive sleeve causes the lifting screw to translate or rotate, depending upon jack configuration.
The Inch and Metric Worm Gear Machine Screw Jacks incorporate an alloy or stainless worm which drives a high strength bronze worm gear (drive sleeve). The worm shaft is supported on anti-friction tapered roller bearings with exterior seals provided to avoid lack of lubrication. The drive sleeve is usually supported on anti-friction tapered roller or ball thrust bearings. Rotation of the drive sleeve causes the acme thread lifting screw to translate or rotate, depending upon jack configuration.

The threads are precision formed, typically using Course 2-C (Centralizing) tolerances. Jack lift shaft business lead tolerance is approximately ±0.004″ per foot.
Designed with state-of-the-artwork CAD and CAE systems and adhering to stringent manufacturing requirements, these screw jacks satisfy all the required safety, cost-efficiency, and toughness mandates of your application.

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