【摘要】 探讨了一种埋弧点焊方法。在高频作用下,电弧在焊剂下引燃、加热并熔化焊丝与焊件,一旦焊丝端部熔化金属脱落过渡,电弧随之燃灭,在焊件上就形成一个光滑的焊点。用大约75A电流能成功点焊0.4mm厚的板件。更多还原

【Abstract】 In thisarticle,a techniqueof submergedarc spot weldingis investigated.Afterthe arc is establishedunder flux with high-frequenthighvoltage,theworkpieceandtheelectrodewireareheated,thenmelt.As soonas themoltenmetalon thewireendis detached,the arc is out.A good welding spot is established on the workpiece.0.4mm thick plate can be spot welded well by75A welding current.更多还原