Trapezoidal acme screw jacks are popular among daily use. Its features are that  it is simple to maintain, low noise, and can work normally at high / low temperature, corrosion / explosion harsh environment,

Screw Jack System A screw jack system is where more than one screw jack is operated in unison to achieve a linear movement. The screw jack system arrangement is also commonly referred to as a “screw jacking system”. The ability to mechanically link multiple screw jacks together so that they move in unison is one of their greatest advantages. Typical arrangements involve screw jacks, bevel gear boxes, motors, reduction gearboxes, drive shafts, couplings and plummer blocks.