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rong hua ji di pin mai chong zi dong heng han gong yi ji she bei de yan jiu
Pages: 1-5
Year: Issue:  3
Journal: Welding Technology

Keyword:  横焊短路过渡实芯自保护焊接厚板焊接埋弧焊低频脉冲脉冲电弧焊缝表面衬垫焊;
Abstract: <正> 目前国内外自动横焊的方法大体可分为:埋弧焊、管状焊丝气保护或自保护焊接、实芯焊丝气电焊三大类。其中以实芯焊丝气电焊应用最广。在我国,实芯焊丝气电焊主要以短路过渡和喷射过渡两种形式被应用。短路过渡气电焊熔池容易保持、成形可靠,但效率低,在厚板焊接时很难得到可靠的熔透。喷射过渡所用的规范大、熔透好、焊接效率高,但熔池保持困难,铁水易流
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