... usage:weld, harden,forge,anneal and melt High Frequency Electric Welder for Brazing Saw BladesFirst, the high-frequency welding machine welding ... , planer, saw, reamer, boring and so on.Advantages for welding alloy cutting tools:1, induction heating speed, high efficiency2 ... appearance of fine, solidThird, the high-frequency welding machine for welding marble saw blades, wood saw blade brazing, its ...