... protection 5. well adapted 6.heating fast. saw blade welding machine,saw blade heating equipment,saw blade welding.Application:1. Heat shapingA, All kinds of ... and Ductile cast iron.4.Welding, Welding head, lathe tool, reamer, milling cutter, drill bits, and stainless steel bottom of ... to welding tools as an example, such as:20mm cutter following the application of high-frequency 50-100 KHZ20- ...