There are two methods for formategear grinding: Waguri method and flared cup wheel method.
成形法大轮的磨削通常有两种方法：瓦古里磨削和扩口杯磨削。
2
For spiral bevel gears' formategear, using proper figurate cutting tool and generic CNC machining center, the gear's hard tooth-surface can be milled with high speed.