深沟球轴承浪形保持架，按新参数设计存在夹球问题。

There was a problem of clamping ball in designing deep groove ball bearing cage according to new parameter.

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介绍了热轧带钢浪形滑动现象，初步分析了滑动现象产生的原因。

This paper introduces the wave-shape sliding phenomenon of hot strip steel discovered by the author in the research work and analyzes the reason of this phenomenon elementarily.

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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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