Induction heating is the use of electromagnetic induction principle and eddy current to heat workpieces. It is widely used in the production and processing of steel, non-ferrous metals, and rare metals, and has become an indispensable energy source in metallurgy, national defense, mechanical processing, casting, forging, shipbuilding, aircraft and automobile manufacturing industries. Its main advantages are as follows:
1. It has precise heating depth and heating area, and is easy to control;
2. Easy to achieve high power density, fast heating speed, high efficiency, and low energy consumption;
3. High heating temperature, easy to control heating temperature, and non-contact heating;
4. The heating temperature is conducted or penetrated from the surface of the workpiece to the interior, or directly heated from the interior of the metal;
5. Adopting non-contact heating method, it is not easy to introduce impurities during the heating process;
6. The material consumption of the workpiece is small, and there is less generation of oxide scale;
7. The working environment meets environmental protection requirements, with no open flames, no exhaust gas, and no air pollution;
8. Easy to achieve automation of heating engineering;
9. High heating efficiency, induction heating efficiency can reach over 80%;
10. Fast heating speed, in high-frequency induction heating, the speed can reach tens to hundreds of degrees per second;
11. Capable of heating workpieces with complex shapes;
The induction furnace controller produced by our company uses uncontrolled rectification technology, which has the advantages of high power factor (up to 0.97) and low power grid pollution compared to other fully controlled rectification technologies. It has a constant power control mode, as well as limited current and voltage functions, which can always keep the controller in the most effective power output mode, allowing the input power to be fully utilized. It is suitable for occasions that require frequent starting or long-term operation.
This controller can choose to have communication function: ModBus RTU protocol, using RS-485 connection method, can remotely read and write the parameters and operating status of the controller through communication, greatly facilitating users to connect PLC, touch screen, industrial computer, etc., greatly improving the expansion performance of the controller, and facilitating users to seamlessly integrate this controller into their own products.
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