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焊接结构中的残余应力与变形降低了结构的承载能力和使用寿命,也给正常的焊接生产带来一定的困难。采取合理的工艺措施,最大程度地降低残余应力和变形对焊接结构的影响。
Residual stresses and deformations in the welded structure reduce the bearing capacity and service life of the structure and also bring certain difficulties to the normal welding production. Take reasonable process measures to minimize the residual stress and deformation of the welded structure.