In the course of processing, Aluminum alloy structure particularly welding processes will be many issues, particularly residual stress and deformation.

铝合金结构在加工过程中，尤其是焊接加工过程中会出现许多的问题，特别是焊接残余应力和残余形变。

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Discusses emphasisly the producing of the residual stress in welding processing and stamping forming, and measures the residual stress in the stamping forming of welded blank and analyses the results.

论述了焊接、 冲压加工中残余应力的产生过程，测试了金属焊接毛坯冲压成形的残余应力，并对试验结果进行了分析。

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Improvement of the processing precision can help to improve the contact state between wheel seat and wheel hub bore, reduce the maximum residual pull stress in wheel seat due to press mounting.

提高加工精度有利于改善轮座和轮毂孔接触状态，降低轮座因压装产生的最大残余拉应力。

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