... a new Europe-type RNF-Series Cubic Gearboxes Jack Screws Lift, small&compact appearance, installation sizes is the same as ... (L),±5 degrees.Lateral ForceUsually, screw jack only loads lift screw axial loading, don’t permit to load any ... switches,couplings,linking shaft,trunnion base etc.Application Industries:Precision lift table, Roll forming machines, Press machines,Tunnel Freezer, Surface-Gringing ...