... be driven by electric or manually, fully synchronization.Speed of Travel* Fast Speed N1 turn 1 mm travel1500 mm/min* Low ... Worm shaft&worm gear play, high speed(N),worm shaft backlash ±3 degrees, Low speed(L),±5 degrees.Lateral ForceUsually, ... gearboxes,hand wheel,electric motor,travel nut,protetive tube,rubber bellows,limited switches,couplings,linking shaft,trunnion base etc.Application Industries ...