In order to solve the lack of flaw when flanging the part with freeform internal profile, the circumferential strain dispersion effect has been analyzed in flanging the profile.
为了解决具有异形内轮廓的冲压件翻边工序中易产生裂纹等缺陷，分析了异形内轮廓翻边成形时周向应变分散效应。
Dispersion internal audit purpose, basis, scope.
分散内审的目的、依据、范围。
Dispersion internal audit according to the needs of regular or irregular organizations.
分散内审根据需要定期或不定期组织开展。
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