Technology of fuse welding by medium frequency for sliding valve at mine transmitt-ing device is studied. The result indicates that it improves traditional technology and function.

• 介绍雷弹发射装置滑套阀中频熔焊工艺；该工艺改善了传统的氩弧焊手工堆铜的缺点；提高了滑套阀的使用性能.