... ; 90KW intermediate frequency induction braze welding machine, hardening, quenching(1-20KHz) Main features 1.Adopt IGBT technology, with all-round ... of the same material or different materials.1.Welding of various hardware cutting tools, such as diamond tool, abrasive ... milling cutter, reamer, planning tool and solid center bit.2.Welding of various hardware mechanical gadgets, silver soldering and ...