2) Repeat cutting
重复切削
1.
Repeat cutting can restraint the surface spring-back, reduce tapping torque when processing the inner screw.
重复切削是分离式振动攻丝的一个重要特性,它不仅能够抑制已加工表面回弹、降低攻丝扭矩,而且影响内螺纹的牙型精度。
3) Heavy turning
重型车削
5) overlap cut
重叠切削
6) Shaved weight
削匀革重