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本文针对无缝钢管在局部径向塑性成形过程中的开裂问题进行了简要的分析 ,然后改进了模具 ,通过试验表明改进的模具很好地解决了开裂问题。
In this paper, a brief analysis is made on the cracking problem of the seamless steel tube during the radial plastic forming process, and then the mold is improved. The tests show that the improved mold can solve the cracking problem well.