Screw jacks usually factory in the statement of lubrication oil or grease filling. Lubricating oil generally consisted of two parts: base oil and additives.
Screw jack, also known as helix transmission equipment, methodically change its rotation into linear motion--and vice versa . Some crew jacks serve for the weight lifting (such as press and lifting jack), some for the movement transmission(the shafts that connect platens). Some for the adjustment of relative location of parts.
Screw jack is mainly composed of a housing, an input worm, a copper worm gear with internal threads and other accessories. Lifting capacity ranges from 0.5 tons to 100 tons which is different in various models. Dynamic capacity ranges from 0.3 tons to 26 tons, maximum speed can be 3600mm/min.
Screw jacks are widely used in many industries ,such as chemical, medical, cultural, health, etc. And from the various parts of the device, it can be learned that such devices features in many aspects. In order to have a better understanding of the device, people are supposed to have a more comprehensive knowledge of them.