deep hole boring machine

TS21160 deep hole boring machine drilling hole Dia 60- 150mm range boring hole Dia 100- 1600mm Trepanning hole dia 140-500mm Max boring depth 13m center height from horizental rail to spindle center 1450mm Headstock spindle hole Dia 100mm Front spindle taper hole 120mm,1:20 spindle rotation speed ,steps 1-190r/min 3 shifts, stepless speed regulation Main motor 110kW DC motor feeding speed 5-500mm/min AC servo stepless carriage rapid moving speed 4m/min clamping Dia of