How to choose the inductor of the induction heating furnace?

A. Various names for the inductor of the induction heating furnace. Generally, the furnace head is called inductor, heating coil, induction heating furnace coil, and diathermic furnace head in forging heating, while in smelting, it is generally called coil, Induction coils, smelting coils, etc.

B. The sensor material of the induction heating furnace is selected from the national standard high-quality TU1 oxygen-free copper tube. The copper content of the copper tube is more than 99.99%, the conductivity is 102%, the tensile strength is 220kg/cm, the elongation rate is 46%, the hardness is HB35, and the insulation is Resistance below 1KV ≥ 0.5MΩ, above 1KV ≥ 1MΩ.

C. The inductor of the induction heating furnace is a spiral coil wound by a rectangular copper tube according to the designed diameter and number of turns, and then fixed by copper screws and bakelite columns. After four insulation treatments, that is, spray insulating paint first. , Rewind mica tape, rewind glass ribbon, install on the bottom bracket after spraying insulating paint and cure, assist 8mm back glue board around it, and finally knot the furnace lining to protect the coil. These insulation treatments can effectively prevent the coil from igniting and current leakage. etc. phenomenon. This ensures that the furnace head coil is no longer ignited, and greatly prolongs the service life of the bakelite column and the induction coil of the entire induction heating furnace.

D. Before leaving the factory, the sensor of the induction heating furnace needs to pass the 5000V voltage test, the 5000V inter-turn withstand voltage test of the spark meter, the vacuum helium mass spectrometer leak detection, and the four-fold test of the withstand voltage and water passing, which completely eliminates the leakage phenomenon of the induction coil of the furnace head. , to ensure the quality of the induction heating furnace head coil.

E. A guide rail is installed in the inductor of the induction heating furnace, which is used to heat the sliding of the bar material without damaging the furnace lining, so as to achieve the purpose of protecting the furnace lining. The induction heater guide rail of the induction heating furnace is divided into water-cooled and non-water-cooled. For the induction heating furnace head heated by steel plates, wear-resistant steel plates are used as guide rails to protect the furnace lining.

F. In the redesign of the inductor of the induction heating furnace, computer-specific software is generally used combined with certain experience to obtain a reasonable heating function and ensure heating efficiency.

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