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焊前准备 1、清理合金层用汽油及丙酮洗去轴瓦表面的油污,用100~#砂布轻擦表面,使露出金属光泽(砂布落下的残砂必须擦净)。如金属表面坑洼不
Preparation before welding 1, clean the alloy layer with gasoline and acetone washed off the surface of the pad oil, with 100 ~ # emery cloth gently rub the surface so that the exposed metallic luster (emery cloth falling debris must be wiped clean). Such as potholes metal surface is not