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随着强力旋压工艺的发展与应用,强旋件残余应力的性态和分布状况,以及它对产品性能的影响,越来越引起人们的重视,希望找到一种适当的方法,测试出强旋件的残余应力分布,进而分析它对强旋产品性能的影响。光弹贴片法,对于了解和测量残余应力性态及分布是一种比较有效的方法。该方法和其它测试残余应力方法相比,具有直观性强,精度高,方法简便,成本低和应用面广等优点。
With the development and application of the powerful spinning process, the state and distribution of the residual stress in the strong spinning component and its influence on the performance of the product have attracted more and more attention. We hope to find an appropriate method to test The residual stress distribution of the spin-on, and then analyze its impact on the performance of spin-spinning products. Photoelastic patch method, for understanding and measuring the residual stress state and distribution is a more effective method. Compared with other methods of testing residual stress, this method has the advantages of strong visualization, high precision, simple and convenient method, low cost and wide application.