80KW Digital Ultrasonic Induction Heating Equipment

Composed of IGBT power modules (using imported Infineon IGBT chips), a rectifier and filter circuit, and an inverter circuit, it can convert three-phase 380V industrial frequency AC power into ultrasonic frequency AC power. The 80kW power output features a modular design, with a power redundancy of 20% per module, ensuring stability during long-term high-load operation.

Customized according to the workpiece shape, the coil is made of high-temperature resistant copper tubing (wall thickness ≥ 2mm) and can be cooled rapidly by circulating cooling water inside. It is suitable for various shapes of workpieces, including shaft-type workpieces with diameters of Φ50-Φ300mm and plate-type workpieces with lengths ≤1000mm. The coupling gap between the coil and the workpiece can be precisely controlled by adjusting the support bracket, further improving energy utilization efficiency.

Featuring a closed-loop water cooling design, it is equipped with a high-efficiency water pump (flow rate ≥50L/min), a stainless steel water tank, and an air-cooled radiator.  Real-time water temperature monitoring (alarm threshold 50℃) ensures stable operation of the power unit and induction coil under high-temperature conditions, extending the equipment's lifespan.

Digital control system: As the "brain" of the equipment, it features industrial-grade chips and a touch screen display, supporting functions such as parameter presetting, process storage, and fault self-diagnosis. Operators can directly set power, heating time, and frequency via the touch screen, and the system provides real-time feedback on heating temperature, current, and voltage, ensuring process stability.

Compared to traditional power frequency and medium frequency heating equipment, the core advantages of this device lie in its "digital intelligence" and "ultrasonic frequency band adaptability"—the digital control system enables millisecond-level response and precise control of parameters such as power, frequency, and heating time, while the ultrasonic frequency band better matches the skin effect depth of common metals such as steel, aluminum alloys, and copper, allowing heat to be concentrated on the surface or at a specified depth of the workpiece, thus reducing energy loss.

High efficiency and energy saving: The skin effect in the ultrasonic frequency band concentrates energy on the workpiece heating area, resulting in a thermal efficiency of over 85%. This saves 40%-60% of energy compared to traditional resistance heating equipment and 15%-25% compared to medium-frequency heating equipment, significantly reducing enterprise electricity costs.

Rapid and uniform heating: The 80KW power allows for rapid heating of the workpiece surface. For example, a Φ100mm 45# steel shaft can be heated from room temperature to 850℃ in just 3-5 minutes. The digitally controlled power output stability (fluctuation ≤±1%) ensures a uniform heating temperature with an error of ≤±5℃, effectively improving the consistency of the mechanical properties of the workpiece after heat treatment.

Digital intelligent control: The touch screen interface is intuitive and easy to understand, supporting one-click recall of process parameters and suitable for mass production scenarios. The equipment can be connected to a PLC control system or industrial IoT platform to achieve remote monitoring, parameter adjustment, and production data statistics, assisting enterprises in upgrading to intelligent manufacturing.