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㎜