Ball Screw Jack Mechanism

Ball screw with 58 bearing balls.

Ball screw jack mechanism. We offer 2 5ton and 5ton screw jack mechanism now. The ball screw drive is an assembly that converts rotary motion to linear motion or vice versa. When boots are added to ball screw jacks the closed height of the jack may be increased. In this video scott sterling of nook industries talks with lisa eitel of design world about the fundamental operation and use of worm screw jacks.

A ball screw is a mechanical linear actuator that translates rotational motion to linear motion with little friction a threaded shaft provides a helical raceway for ball bearings which act as a precision screw. When specified the closed height of the jack and or the protection tube length may be increased. 9144190007026567x3 registered capital 500000cny is a leading manufacturer and supplier for screw jack ball screw jack machine screw jack worm gear screw jack bevel gear screw jack miter gearbox lifting system electric actuator gearmotors and others linear motion and power transmission products in. Also in this video are some fundamentals about.

The interface between the ball screw and the nut is made by ball bearings which roll in matching ball forms. Ball screw jacks include ball nuts that are about 90 efficient so the jacks require much less energy to lift an equal load than their machine screw jack counterpart. Screw jack working principle. Screw stops and boots.

Their high reliability and synchronization makes screw jacks suitable for a wide variety of uses that alternative methods of handling cannot achieve. Let s see swl2 5t as an example which is for a france customer. As well as being able to apply or withstand high thrust loads they can do so with minimum internal friction. Connect a motor or hand crank shaft to the screw jack shaft to lift hold position and level loads.

Pota 0 10v ip65 potb 4 20ma ip65 potc 0 10v w 2 switches. They come assembled threaded and ready for hookup. It consists of a ball screw and a ball nut packaged as an assembly with recirculating ball bearings. Low friction ball bearings allow these screw jacks to use half the power required by an acme screw jack to lift the same load typically used as actuators they run at higher speeds than acme screw jacks.

Very common throughout the world screw jacks are found wherever there is a need to lift position align and hold load. Designed and animated by me in solidworks 2015. Crank table is an common appliance of hand operated screw jack mechanism. Jacton industry co ltd vat no.