Small size ball screw lifts combine the gear unit with a linear drive performed by a ball screw that, in comparison with the traditional acme screw, offers advantages of small volume and high efficiency.
Worm gear screw jacks not only can be used by single unit, but also can be used by multiple units. Multiple screw jacks can make up to a screw jack system together with spiral bevel gearbox,connecting shafts, couplings and motor etc.