Excellent heat - concentration ability . clean and fine cutting results 极好的聚热能力;清洁而优良的切割效果。
The finishing cut , to make the work smooth and accurate , is a finer cut 精切削是使工件表面光滑、尺寸准确,因而是一种更精细的切削。
Rough and fine cutting , drilling and boring can be conducted for petroleum drill devices such as drill collar , integral heavy wall drill pipe , centralizer as well as other large - sized and super long axis parts with diameter less than 1600mm and length less than 18000mm 在此可以对钻铤、加重钻杆、扶正器等石油钻具和其他直径小于1600毫米、长度小于18000毫米的大型、超长轴类零件进行粗、精车削和钻、镗加工。