Q & A details -凿岩钎具用硬质合金齿老是在使用过程中脱落怎么回事
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0863709351

凿岩钎具用硬质合金齿老是在使用过程中脱落怎么回事

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只打了不到设计寿命30%的岩石,钻头合金齿就发生脱落现象,用的是正品株洲钻石合金齿, 齿孔使用钻绞一体涂层钻头,红外线自动定深CNC立式加工中心,热镶齿工艺,气动测量量具。但现在不知怎么回事,老是掉齿。有高手能够判断一下是什么原因吗?

Best answer

0082659820
2016-10-25 17:12:00

热装过盈量偏小,刀体强度偏低。 公差问题,二是材料或热处理不到位,材料不均匀、热处理质量不好,在受大力或强振下,过盈配抱紧力产生了应力释放,甚至组织变化 使用中钻头发热,直接导致过盈装配部位松开了,改成焊接的试一下

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  • 0863788201

    0863788201 2022-07-04 15:30:36

    1111

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  • 0863709351

    0863709351 2018-05-03 15:02:53

    不要顶置这个问题了

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    0863709351 replied 13408426465 2018-05-03 15:03:08

    只是看看

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  • 0862277710

    0862277710 2016-12-06 16:06:43

    不晓得

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    0862277710 replied 13540734913 2016-12-06 16:06:58

    滚犊子

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  • 0863788201

    0863788201 2016-11-15 14:47:37

    可能焊接不好

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    0863709351 replied 13808060309 2016-12-06 14:43:49

    55

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    0862277710 replied 13408426465 2016-12-06 16:07:29

    滚犊子

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    0863709351 replied 13808060309 2018-05-03 15:03:44

    请问你是那个地区的?

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  • 0861788249

    0861788249 2016-10-28 11:34:38

    这是一个重复的问题

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    0862277710 replied 15802871102 2016-12-06 16:07:48

    去你的

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  • 0082659820

    0082659820 2016-10-25 17:12:00

    热装过盈量偏小,刀体强度偏低。 公差问题,二是材料或热处理不到位,材料不均匀、热处理质量不好,在受大力或强振下,过盈配抱紧力产生了应力释放,甚至组织变化 使用中钻头发热,直接导致过盈装配部位松开了,改成焊接的试一下

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    Answer0082659820:
    Answer

    0863709351 replied 1060711524@qq.com 2018-05-03 14:46:26

    为什么会显示电话号码

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