... a new Europe-type RNF-Series Cubic Gearboxes Jack Screws Lift, small&compact appearance, installation sizes is the same ... multiple jacks systems and can be driven by electric or manually, fully synchronization.Speed of Travel* Fast Speed N1 turn ... switches,couplings,linking shaft,trunnion base etc.Application Industries:Precision lift table, Roll forming machines, Press machines,Tunnel Freezer, Surface ...