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yong qi han xiu fu hua you qi ke ti
Author(s): 
Pages: 26
Year: Issue:  12
Journal: Farm Machinery

Keyword:  耐火土施焊焊前准备滑扣中性焰螺孔工作表面开坡口常因后吹;
Abstract: <正> 化油器常因滑扣和锁孔裂纹而报废。经多次试验,可用气焊修复,方法如下: 1.规范用上海卫星牌微型焊枪,50号焊嘴;施焊火焰接近还原焰。焊条用报废的化油器自制,不需加任何焊药。 2.焊前准备将施焊处洗净,将螺孔中间锯掉一半,裂纹处不需开坡口。除施焊处外,其余工作表面糊上泥巴(耐火土或一般上都可以,但施焊时要求泥巴不能崩开脱落),目的在于防止变形及烧坏工件。 3.施焊工艺 (1)施焊时一定把被焊表面放平。 (2)用中性焰烧化,用直径2
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