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厚板CO_2焊,采用K形坡口可增加焊接厚度,节约填充金属。对单边小坡口,采取将导电嘴伸出喷嘴的办法,焊接板厚可不受限制。
Thick plate CO_2 welding, the use of K-shaped groove can increase the welding thickness, saving filler metal. On the unilateral small groove, take the conductive nozzle out of the nozzle approach, welding thickness can be unlimited.