high frequency introduction quenching machine 1.with high-frequency power. 2.widely used for quenching small shafts. high frequency introduction quenching machine 1.usageMainly used for quenching surface of workpiece with matirial is 45steel, small shaft diameter is 10mm and length is 100mm. It is demanded to harden layer 0.3-0.5 mm, hardness HRC55 and adopt high frequency tube power with the ...
