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  1. cmkmechengr

    griding cracks on nitrided tool steel

    The distribution is both "random" and in batches, the worst batch I have seen is about 30 parts chipping consecutively, but usually they are spread throughout all parts. The wheel diameter is smaller than 10mm and the so I would assume the SFPM does not change signifcantly, *correct me if im...
  2. cmkmechengr

    griding cracks on nitrided tool steel

    I am not very experienced in grinding practices, from what i have read many grinding cracks are a result of excessive temperatures and often not from the stresses that occur at the grinding interface.
  3. cmkmechengr

    griding cracks on nitrided tool steel

    I am working on a grinding issue where our H13 nitrided parts are cracking and chipping on a 90 deg internal cylidrical edge. Only around 3-7% of parts will chip, and there are no signs of grinding burn, Any ideas?

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