roller-type seam welding machine 辊式缝焊机
welding positioner roller 焊接定位滚轮
roller spot-and-seam welding machine 辊式点 ; 辊式点缝焊机
roller spot welding 滚点焊 ; 断续缝滚焊
welding roller bed 焊接滚轮架
seam-welding roller 缝焊滚轮
The study and experiment on the repair of roller journal CO_2 shield welding with proper welding technics has been done by us.
用CO_2气体保护焊方法采用适当焊接工艺及焊接材料，对压榨机辊轴轴颈进行了补焊修复实验研究。
The paper introduces the difficulties of roller spray welding technique such as controlling for distortion, keeping for layer evenness and dimension of roller diameter.
就轧辊喷焊的技术关键问题：变形控制，涂层均匀性的控制，喷焊后辊子外径尺寸控制及轧辊的组焊工艺等，作以介绍。
The old roller machine to use for half a year would need to open the repair, replacement or repair welding roller body.
而旧型对辊机使用半年就需拆开大修、更换辊体或进行补焊。
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