... (wheel), turbo chip, copper parts, automotive steering gear, solar heat pipe, welding and cutting nozzles1Welding equipment:About frequency 15KHZ,can heating ... of wooden cutters, braze high speed steel saw blades.High frequency welding machine features:1. fast speed, high efficient2. energy ... voltage: three-phase four-wire 380V 50-60HZ Oscillation frequency :25-100KHZ Size: 600 × 270 × 540mm high ...