自动门
自动门:加工方法的选择
发布时间:2013/4/10
自动门讯:
拟定工艺过程,定位基准的选择
    a.精基准的选择。根据定位精基准的选择原则即基准重合与基准统一原则,应选择
轴的公共旋转辅线作为统一的定位精基准,这样既可避免基准不重合误差,也能保证各表
面之间的位置精度。
    b.粗基准为毛坯外圈。
    4)加工方法的选择
    a.主要表面应选车_◆磨的加工方法。
    b.平键槽为普通铣床铣削。
    c.车床上钻内孔,攻丝。
    5)划分加工阶段。
    a.主要表面应划分为:粗车、半精车、磨削。
    b.平键槽为普通铣床铣削。
    c.中心孔钻削、攻丝。
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