Z series radial drilling machineVariable-frequency motor Hydraulic primary mechanism .Realizes stepless speed regulation .Forward and reversal stall with one handle .centralized operation. Z304012/IZ304016/IZ305012/IZ305016/IZ3063X20/IZ308025max drilling diamm404050506380distance between spindle axis and column max125016001250160020002500Min350350350350450500distance between spindle axis and working surface of machine base max125012501220122016002000 min350350320320400550spindle travelmm315315315315400450spindle taper (morse)No.4#4#5#5#5#6#range of spindle speed r/min25-200020-200025-200025-200020-160016-1250number of spindle speedstep161616161616range of spindle feedsmm0.04-3.20.04-3.20.04-3.20.04-3.20.04-3.20.04-3.2workable dimensionsstep161616161616