1) tetragonal nut
四角螺母
1.
According to that the manufacture of the tetragonal nuts needs repetitious drawing,piercˉing,flanging,chamfering,trimming and bending,a progressive die has been successfully designed and manufactured for forming the parts and the die material has been reasonably selected,which meets the requirement of mass manufacture of the tetragonal nuts.
针对零件需多次拉伸、冲孔、翻边、倒角、切边弯曲等工序 ,成功地设计和制造了1副级进模 ,合理地选用了模具材料,满足了四角螺母大批量生产的要求 ,可为类似零件的成形提供参考。
2) perntagon nut
五角螺母
3) horned nut
角形螺母
4) turn-nut method
螺母转角法
补充资料：螺母
1.蜗牛。 2.蜾蠃。又名蒲卢。寄生蜂的一种﹐产卵于螟蛉幼虫体内﹐蜾蠃后代即从螟蛉幼虫体内孵出﹐故古人误以为蜾蠃养螟蛉为子。 3.组成螺栓的配件。也称螺帽﹑螺丝母或螺丝帽。中心有圆孔﹐孔内有螺纹﹐跟螺钉的螺纹相啮合﹐用来使两个零件固定在一起。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条