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16 hao mi gang ban dan mian shou gong dian hu han jie ji shu
Author(s): 
Pages: 38-39
Year: Issue:  3
Journal: Welding Technology

Keyword:  手工电弧焊焊透单面焊双面焊焊条直径焊接结构小孔效应角变形焊接速度焊接电流;
Abstract: <正> 在一些焊接结构中,由于操作等条件限制,不能进行双面焊接时,就需要单面焊接双面成形,这在手工焊接操作中是难度较大的技术。可是,在锅炉、压力容器焊工考试时,要求的难度则更大。“锅炉、压力容器焊工考试规则”中明确规定,2~16毫米钢板要求单面焊接,必须焊透,背面还不允许加垫板,这和绝大多数
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