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本文介绍的是局成俊老师傅关于焊补机床灰铸铁件的经验。这些经验都是在实际操作中慢慢摸索出来的。过去他们曾采用过气焊、铜镍合金焊条电弧焊,但都不易达到焊补机床铸件的要求,后来他们采用自制的高硅铸铁焊条和高硅加铝铸铁焊条,并配合适当的工艺规范,得到了满意的结果。用本文介绍的方法来焊补机床铸件的加工面,焊补后不会出现白口、裂纹,很容易加工,强度一般都比母材高,而且颜色也与母材一样。因此,这种方法非常适合于机床铸件的焊补,很值得推广。
This article describes Ju Cheng Ju Cheng chef welding machine on the gray iron parts experience. These experiences are slowly explored in practice. In the past they had used gas welding, copper-nickel alloy electrode arc welding, but are not easy to meet the welding machine tool casting requirements, and later they use homemade high silicon cast iron electrode and high silicon plus aluminum cast iron electrode, and with the appropriate process specifications, get Satisfied with the results. With the method described in this article to weld the machined surface castings, welding will not appear after the white mouth, cracks, it is easy to process, the intensity is generally higher than the base metal, and the color is the same as the base metal. Therefore, this method is very suitable for welding of machine tool castings, it is worth promoting.