气冷的方法，可以使试样散热更快，达到控制温度的目的，同时也可以减小焊接残余应力和焊接横向收缩变形。
Wind cooling accelerated elimination of heat dissipation, and controlled temperature which made welding transverse contraction deformation and the residual stresses decrease.
结果表明，优化工艺后成型的复杂壳体制件的残余应力明显减小，体积收缩也比较均匀，缺陷明显减轻。
The result indicated that the residual stress in the product produced by optimized project was decreased obviously, the volumetric shrinkage was homogeneous and the defect became slight.
注塑成型工艺参数对制品的最终残余应力和收缩有着直接的影响。
In injection molding, the residual stress and shrinkage of the product are affected by processing conditions directly.
注塑成型工艺参数对制品的最终残余应力和收缩有着直接的影响。
In injection molding, the residual stress and shrinkage of the product are affected by processing conditions directly.
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