CNC sprial milling machine is the specialized cnc machine tool for milling drill collar, use three milling cutters mill drill collar spiral groove at the same time.

Main technical specification:

1, Machining diameter: ∮98～∮280㎜;

2, Machining length: ≤12, 000㎜;

3, Spiral groove helical lead: 914㎜～2320㎜