Roughturning tools can be right-hand or left-hand types, depending upon the direction of feed.
粗车刀具按其进给方向可以是右手型的或是左手型的。
2
The making of new mould has 2 steps, first, 2 workers do roughturning, and then other workers do fine finishing.
新模具的加工分成两块，先由两位模具工进行粗车，再由模具工进行精加工。
3
Turning tools. Turning tools can be either finishing or roughturning tools. Roughturning tools have small nose radii and are employed when deep cuts are made.