... annealing; 90KW intermediate frequency induction braze welding machine, hardening, quenching(1-20KHz) Main features 1.Adopt IGBT technology, with ... is good for quiding the design of induction coil and adjusting the capacitance3.Small dimension, light weight, portable. Only 1 square ... various aluminum products. 90KW intermediate frequency induction braze welding machine, hardening, quenching(1-20KHz)