back weld

基本解釋

The method mainly comprises back welding and front welding.
該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.
每條焊縫采用分段退焊法，減小焊接殘余應(yīng)力和變形。
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.
以焊接電流為控制量，研制了薄板鎢極氬弧焊（TIG）背面溫度場等溫線寬度閉環(huán)控制系統(tǒng)，實現(xiàn)了對焊縫背面熔寬和熔透的控制。