On the basis of test, some measures to avoid grinding cracks are established.
在实验研究的基础上确定了防止磨削裂纹的措施。
The morphology and distribution feature of grinding cracks are carefully observed with the SEM.
用扫描电镜观察裂纹的形貌及分布。
In die manufacture, grinding defects such as surface burning, grinding cracks, grinding trace and grinding stress affect the serve life of dies.
模具制造过程中，磨削加工造成工件表面烧伤、磨削裂纹、磨削痕及磨削应力等缺陷，直接影响模具的使用寿命。
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