In allusion to the problems of vacuumdiffusion welded jet bits, a technique for manufacturing horizontally projected jet bits by means of vacuumdiffusionwelding was put forward.
针对水平射流钻头钎焊工艺存在的问题，提出用真空扩散焊接代替钎焊制造水平射流钻头的新工艺。
2
In the invention, the pole shoe walls and the heat conduction layer are placed in a vacuum furnace and then welded into one by diffusionwelding by adopting a diffusion welding tool.