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Intermediate frequency furnace

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Intermediate frequency furnace

Product attributes

  • Classification:Intermediate frequency furnace
  • Product no. :1568170186
  • Number of visits:0
  • Date of issue:2019-10-10
  • Product overview
  • performance characteristics
  • Technical parameters

Intermediate frequency furnace



It is a power supply device that converts the power frequency 50HZ alternating current into an intermediate frequency (300HZ or more to 1000HZ), converts the three-phase power frequency alternating current into a direct current, and then converts the direct current into an adjustable intermediate frequency current, which is supplied by the capacitor and the induction. The intermediate frequency alternating current flowing in the coil, the intermediate frequency furnace ramming material generates high-density magnetic lines in the induction coil, and cuts the metal material contained in the induction coil to generate a large eddy current in the metal material.


The medium frequency induction furnace (hereinafter referred to as the intermediate frequency furnace) operates at a frequency between 50 and 10 Hz and is widely used for the melting of non-ferrous metals and ferrous metals. Compared with other casting equipment, the medium frequency induction furnace has the advantages of high thermal efficiency, short melting time, less burning of alloying elements, wide melting material, less environmental pollution, and control of the temperature and composition of the molten metal.


This eddy current also has some properties of the intermediate frequency current, that is, the free electrons of the metal itself flow in the metal body with resistance to generate heat. The three-phase bridge type full-controlled rectifier circuit is used to rectify the alternating current into direct current. For example, a metal cylinder is placed in an induction coil with alternating intermediate frequency current. The metal cylinder is not in direct contact with the induction coil, and the temperature of the energized coil itself is already very high. Low, but the surface of the cylinder is heated to redness or even melt, and the speed of redness and melting can be achieved by adjusting the frequency and current. If the cylinder is placed in the center of the coil, the temperature around the cylinder is the same. The cylinder is heated and melted without generating harmful gases or strong light to pollute the environment. Medium frequency furnace is widely used in the smelting of non-ferrous metals [mainly used in the melting of ferrous materials such as molten steel, alloy steel, special steel, cast iron and non-ferrous materials such as stainless steel and zinc, and also for the melting of non-ferrous metals such as copper and aluminum. Heating, heat preservation, and double operation with the blast furnace. ], forging heating [for bar, round steel, square steel, steel plate through heat, temperature, blue quenching, on-line heating, local heating, metal material online forging (such as gears, axle bearings, bearings, etc.) Forging, extrusion, hot rolling, heating before shearing, spray heating, thermal assembly, and overall quenching, annealing, tempering of metal materials. Heat treatment and quenching production line [mainly for shafts (straight shaft, variable diameter shaft, camshaft, crankshaft, gear shaft, etc.); gears; sleeves, rings, discs; machine tool screws; guide rails; plane; ball head; Surface heat treatment of various mechanical (automobile, motorcycle) parts such as tools, and overall quenching, annealing, and tempering of metal materials.


The intermediate frequency furnace is a power supply device that converts the power frequency 50HZ alternating current into an intermediate frequency (300HZ or more to 1000HZ), converts the three-phase power frequency alternating current into a direct current, and then converts the direct current into an adjustable intermediate frequency current, and supplies the capacitor. And the intermediate frequency alternating current flowing through the induction coil generates high-density magnetic lines in the induction coil, and cuts the metal material contained in the induction coil to generate a large eddy current in the metal material. The metal is heated by the principle of electromagnetic induction.


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