The trapezoidal screw jack has self-lock function while ball screw jack does not have self-lock function. But the trapezoidal screw jack's self-lock function has relationship with the pitch. Large pit...
The upright screw jack is usually used to lift or push up objects(screw top end is up the mounting base). The inverted screw jack is usually used to lift or press down object(screw top end is below th...
The lifting speed of the worm gear screw jack is limited.If the lifting speed is too fast, the friction heat and the wear are very strong, and the service life of the screw lift will be greatly discou...
The keyed screw jack usually means acme screw jack with anti-rotation function. Some loads are not allowed to rotate with the screw. These applications require a keyed screw jack. A key, fixed to the ...
The relationship between work continuation rate and ambient temperature is shown in the table. When the ambient temperature exceeds 40 °C, consideration should be given to reducing the work rate.
Worm gear screw jacks can be used individually and in multiple linkage. Multiple screw jacks can make up to screw jack system together with other accessories like shaft,couplings,pillow block,motor or...
We mentioned inverted screw jack with clevis end can be used for sluice gate of river and canal. These screw jacks are usually driven by electric motor. Today let's see some photos on site. The e...
Today let's see something about the lifting screw rotation directions. The lifting screw has two kinds of rotation directions. 1: When the worm shaft clockwise, the lifting screw goes up. 2: When the ...
When the single screw jack cannot meet the need or is very big, we think of the multiple screw jacks system.Screw Jack Systems offer comprehensive lifting and positioning design solutions for a wide v...
Worm gear screw jacks should not be driven into their mechanical limits, particularly models with higher speeds. Simple stroke control can be provided with limit switches. These can be mou...