论文部分内容阅读
一、填空1.手工电弧焊收尾的方法 (即填满弧坑的方法 )常用的有、、。碱性焊条宜采用收弧。2 .电渣焊过程中 ,冷却滑块与工件之间存在间隙时 ,应该用或堵塞 ,防止和流出而破坏焊接过程。3.焊接电弧由三部分组成 ,其弧柱中心温度达℃ ,直流弧焊机酸性焊条区的温度高于区的温度。
First, fill in the blanks 1. Manual arc welding finishing method (that is, the method of filling the crater) are commonly used ,,. Alkaline electrode arc should be used. Electroslag welding process, there is a gap between the cooling slider and the workpiece, it should be used or blocked to prevent and flow out and destroy the welding process. 3. Welding arc consists of three parts, the arc column center temperature of ℃, DC arc welding machine acidic zone temperature is higher than the zone temperature.