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                w彩票平台>全部分类>工量刃具>刃具>> 扩孔钻

                返回产品中九霄竟然不在心

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                扩孔钻百科
                扩孔钻
                扩孔钻 钻头和扩孔钻是一样的东¤西,不过是发挥的作用不同罢了,都是利用切削刃进行钻削;钻头钻底孔,扩孔钻把钻头钻的底孔加以扩今日大。1概述 扩孔钻一般用于孔的半精加工或终加工,用于铰或磨前的预◥加工或毛坯孔的扩大,有3到4个刃带,无横刃,前角和后角沿切削刃的变化小,加工时导向效果好,轴向抗力小,切削条件优于钻孔。2钻头、扩孔钻和铰刀的区别 铰刀则是利用侧刃进行切这就叫以彼之道还施彼身削,把钻头钻出来的尺寸精度不高、孔壁光洁度→不高的孔,经过铰刀进行绞削,使孔的精度、光洁度达到要求。 钻头:由钻尖、切削刃和我刚讲到用剑排屑槽(螺旋或详细内容>>

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