分析了轴盖的冲压工艺性，对传统工艺进行了改进，介绍了其复合模和修边模结构及设计要点。

The work process of the trimming die for vertically forming the thin-wall barrels of the shell top part of hot-water shower device was introduced.

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首先进行强度和稳定性计算，主要进行了筒体、端盖的壁厚计算、水压试验应力校核以及叶轮、轴的强度校核。

First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressure check and impeller stress test, the axis of strength checking.

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泵主要由泵体、泵盖、叶轮、轴、密封环、中间支架、密封和悬架部件等组成。

The pump comprises mainly of pump body, cover, impeller, shaft, seal ring, intermediate support, sealing and suspension assembly, etc.

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