The chip is a waste product that isconsiderably shorter than the workpiece from which it came but with a correspondingincrease in thickness of the uncut chip.

• 滚齿与切齿是基本铣削作业；弓锯削和拉削是刨削和珩磨的一种形式；而研磨、超精加工、抛光和磨光则是磨削和研磨切削作业的各种变化形式。