1. CNC screw milling machine




      1. Screw milling machine, can machining single-head and multihead rotors of spiral drilling rigs (downhole motors), the max machining diameter isφ300㎜, Min. diameter isφ65㎜, Max. workpiece length is 4m, effective milling length is 3m

      2. Main technical parameter:

         Triaxial linkage: X+Z+C(spindle rotation)

         Z axis (lengthways) carriage moving distance:  3.5m

         X axis (crosswise) carriage moving distance:  300mm

         Quck travel speed Z/X                         4000/3000(m/min)

         Screw pitch range:                            5~1000㎜;

         Groove depth:                                0~80㎜

         Minimum pulse equivalent Z/X                 0.01/0.005㎜