论文部分内容阅读
近年来焊条在向高效率化方向发展。不仅在焊条药皮组成上,而且在焊条长度以至在有关焊接工艺方法上都不断取得了进展。在钢种上,亦已由低碳钢逐步进入低合金钢和高强钢领域。焊条高效率化主要途径,是在焊条药皮中加入铁粉。加入一定量的铁粉,就能改善熔滴过渡形态,使电弧稳定,引弧容易,飞溅减少,工艺性能改善。同时,还能使熔敷效率和焊接生产率提高。增大焊条长度,并使用简单夹具,可
In recent years the electrode to the direction of high efficiency. Not only in the composition of the electrode coating, but also in the length of the electrode as well as in the welding process have made continuous progress. In the steel, it has also gradually entered the field of low-alloy steel and high-strength steel from mild steel. The main way of high efficiency electrode is to add iron powder in the electrode coating. Adding a certain amount of iron powder, can improve the droplet transition morphology, the arc stability, easy arc, splash reduction, process performance improvement. At the same time, the deposition efficiency and weld productivity are also improved. Increase the length of the electrode and use simple fixtures