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How to choose suitable screw jack?
If you need screw jacks or screw jack system,but not sure about the details.What should you do? Donot worry. Just refer to the five questions below and come back to us with the answers.Then we will help you choose suitable model and make drawing for your confirm. Q1: The lift capacity is ? Kg (it means how many Kilos or KN the screw jack need to lift) The screw’s travel stroke is ? mm (it means th...
Oct 23 , 2013 view more
How a Screw Jack Works
A screw jack is a gearbox assembly (either worm gear or bevel gear) and a transmission product (lead screw, ball screw or roller screw) which through use of a motor is used to convert rotary into linear motion. They can be used to push, pull, tension, lock, unlock, tilt, pivot, roll, slide and lift or lower loads, anything from a few kilos to thousands of tonnes. Screw jacks are essential componen...
Jul 05 , 2013 view more
Worm Gear Machine Screw Jacks Machine Screw Jacks - 1/4 Ton to 100 Ton & 5 kN to 200 kN
The Inch and Metric Worm Gear Machine Screw Jacks incorporate an alloy or stainless steel worm which drives a high strength bronze worm gear (drive sleeve). The worm shaft is supported on anti-friction tapered roller bearings with external seals provided to prevent loss of lubrication. The drive sleeve is supported on anti-friction tapered roller or ball thrust bearings. Rotation of the drive slee...
Jun 29 , 2013 view more
Construction of a Slewing Ring
1, Internal ring 2, External ring Slewing Ring consist of an internal and external ring with an integrated raceway system and optional internal or external teeth. The normal material is 50Mn. 3, Roller In Slewing Rings, better rotation and loading transmission are achieved by special design and precision production of the rolling elements. 4, Spacer Spacers separate the rolling elements and minimi...
Mar 06 , 2013 view more
Slewing Drive Introduction
Slewing Drive Introduction 1. slewing drive Slewing Drive movement can reduce power consumption, since the security role. In addition to the field of use in the daily solar power systems are usually used for Special vehicle, heavy-duty flat-panel truck, container cranes, truck mounted crane, automobile crane and aerial vehicles, cranes, gantry cranes, small wind power stations, space communication...
Dec 28 , 2012 view more
Screw Jack System Accessories
Screw Jack System Accessories PP: Protective tube (lifting screw dust-proof and rustproof) BB: Bellows boots (lifting screw dust-proof and rustproof) HW: Hand wheel (hand operated) DC: Digital counter or digital position indicator (installed on worm shaft, precision display stroke) EM: Electric motor (motor driven) GR: Gear reducer (motor driven with reduction gearbox) WR: Worm gear reducer (motor...
Oct 06 , 2012 view more

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