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济南激光切割加工后焊接零件如何防止变形?

发表时间:2017-06-30 09:59  责任编辑:大宝娱乐_大宝娱乐lg_大宝lg娱乐官网  点击:
  济南激光切割加工后焊接件如何防止变形?   How to prevent the deformation of welding parts after laser cutting in Ji'nan?   焊接过程中焊件产生的变形称为焊接变形。焊后,焊件残留的变形称为焊接残余变形。焊接残余变形有纵向收缩变形、横向收缩变形、角变形、弯曲变形、扭曲变形和波浪变形等共六种,其中焊缝的纵向收缩变形和横向收缩变形是基本的变形形式,在不同的焊件上,由于焊缝的数量和位置分布不同,这两种变形又可表现为其它几种不同形式的变形。   In welding process, the deformation produced by weldment is called welding deformation. After welding, the residual deformation of weldment is called residual deformation of welding. The welding residual deformation with longitudinal contraction deformation, transverse shrinkage, angular distortion, bending deformation, distortion and wave distortion and a total of six species, of which longitudinal and transverse shrinkage deformation of weld shrinkage deformation is the basic form of deformation, welding in different, because the number of weld and position distribution of the two different. The deformation and deformation can be expressed as several other different forms.   焊件在什么情况下会产生纵向收缩变形?焊件焊后沿平行于焊缝长度方向上产生的收缩变形称为纵向收缩变形。当焊缝位于焊件的中性轴上或数条焊缝分布在相对中性轴的对称位置上,焊后焊件将产生纵向收缩变形。焊缝的纵向收缩变形量随焊缝的长度、焊缝熔敷金属截面积的增加而增加,随焊件截面积的增加而减少。   Under what conditions does the weldment produce a longitudinal shrinkage deformation? The shrinkage deformation in the direction of the weldment parallel to the length of the weld is called longitudinal shrinkage deformation. When the weld is located on the neutral axis of the weldment or several welds are distributed symmetrically at the neutral axis, the weldment will produce a longitudinal shrinkage deformation. The longitudinal shrinkage deformation of the weld increases with the length of the weld and the cross section area of the weld metal, and decreases with the increase of the cross sectional area of the weldment.
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