High-frequency induction heating machine for surface quenching process of workpiece
① High-frequency induction heating surface quenching workpiece name CA6140 lathe bed rail high-frequency quenching sensor structure, the material used is HT300.
②High-frequency induction heating surface quenching heat treatment technical conditions, intermediate frequency quenching electrical parameters: primary voltage, 520V; incoming line current, 150A; primary side coil turns, 12 turns; secondary side coil turns, 120kW; power factor, 90% .
③High-frequency induction heating surface quenching heat treatment process specifications: a. The gap between the sensor and the guide rail surface is 1.5~2mm. b. Moving speed 4mm/soc. Quenching temperature 900℃. d. Quenching medium Water. e. Cooling method Continuous injection.
④Intermediate frequency induction heating surface quenching heat treatment process analysis a. Hardness After high frequency quenching, the hardness reaches 45-55HRC. b. The depth of hardened layer is 2mm. c. Microstructure The hardened layer is cryptocrystal and fine acicular martensite ten graphite ten small phosphorus eutectic, no obvious transition layer. d. Bending deformation The middle concave is ≤0.5mm.