干数控车的师傅们,请问车网纹m0.2如何计算,我没有车过,请教40直径小径应该车到多少,我知道车之

2025-03-15 05:59:48
推荐回答(3个)
回答1:

应该车小0.2P--0.5P,P等于模数的3.14倍,本题中也就是0.2的3.14倍,先用滚轮长度的1/3用力滚压,这样不会乱纹。滚压之后会变形,会变大的。

滚压包括内孔的滚压、轮辋的滚压、车门框条滚压成形、车架纵梁的滚压成形、曲轴的滚压强化及校直、小模数花键轴的滚压成形、螺钉的滚压成形等。

滚压加工原理:

它是一种压力光整加工,是利用金属在常温状态的冷塑性特点,利用滚压工具对工件表面施加一定的压力,使工件表层金属产生塑性流动,填入到原始残留的低凹波谷中,而达到工件表面粗糙值降低。

由于被滚压的表层金属塑性变形,使表层组织冷硬化和晶粒变细,形成致密的纤维状,并形成残余应力层,硬度和强度提高,从而改善了工件表面的耐磨性、耐蚀性和配合性。滚压是一种无切削的塑性加工方法。

回答2:

直径×3.14=螺距 得出来的螺距再除以0.2就是头数,外径小个二三十丝就可以了

回答3:

应该车小0.2P--0.5P
P等于模数的3.14倍
本题中也就是0.2的3.14倍
先用滚轮长度的1/3用力滚压,这样不会乱纹。

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