... IGBT system 3, Compreheansive full load design 4, Elimination high voltage Technical Parameters: ModelGY-60AB (Three phase)work power340V- ... through forging press with the help of punch press, forging machine or other equipments, for instances, hot extrusion of watch ... tool, alloy saw blade, hard alloy cutter, milling cutter, reamer, planning tool and solid center bit. 2. Welding of various hardware ...