... 冲孔直径 punching hole diameter 冲孔的 punched 冲孔公差 pierced hole tolerance ...
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冲孔公差
Punching tolerance
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过对浪形保持架冲孔模的改进，保持架定位准确，保证了铆钉孔位置公差，达到了工艺要求。
Through the improvement of the piercing die for the wave-shaped cage, cage positioning became accurate, the position tolerances of rivet holes were ensured, and technical requirements were met.
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