back weld

基本解释

The method mainly comprises back welding and front welding.
该方法主要包括反面焊接、正面焊接。
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Segmental back welding is adopted for each welding seam to minimize the residual stress and deformation of welding.
每条焊缝采用分段退焊法，减小焊接残余应力和变形。
A closed-loop control system with welding current as control parameter is founded to control the width of isothermal line of back-side welding temperature field in TIG welding of thin plate.
以焊接电流为控制量，研制了薄板钨极氩弧焊（TIG）背面温度场等温线宽度闭环控制系统，实现了对焊缝背面熔宽和熔透的控制。