Basic Product Information
- Product Name: Induction Heating Annealing Equipment
- Brand: Hebei Yuantuo Electromechanical
- Customization: Non-standard customization available. Equipment parameters and structures are customized based on customers' actual working conditions of workpieces.
- Applicable Materials: Carbon steel and stainless steel sheets including SPCC, IF, DC06, 201 stainless steel, 304 stainless steel and other grades.
- Applicable Workpiece Specification: Steel plates and sheet metal workpieces with thickness of 5mm and above.
- Power Range: 100KW~2500KW. Rated power is customized according to workpiece thickness, processing length and production capacity requirements.
Product Application
This set of Induction Heating Annealing Equipment is used for annealing heat treatment of various thick steel plates and metal sheets. It completes workpiece annealing via self-heating from electromagnetic induction, suitable for stress relief and material softening before sheet stamping process. The equipment can connect with feeding, discharging and stamping automated production lines to realize continuous mass production.
Power Supply & Working Principle
The complete unit is equipped with intelligent series resonant intermediate frequency power supply control system:
- It receives standard 380V/660V 3-phase or 6-phase 50Hz alternating current, which is converted into direct current via rectifier components.
- Direct current is further converted into alternating current with specific required frequency by inverter system.
- Based on electromagnetic eddy current principle, steel workpieces generate heat inside themselves to achieve uniform annealing heating.
Core Structure & Manufacturing Process
Standard Manufacturing of Inductor
Inductors are produced with unified processing flow: pickling → drying → insulation treatment → casting. The inductor can sustain 1MPa pressure without leakage within 10-minute pressure holding test.
Base Frame of Inductor
The base frame is fabricated from industrial aluminum alloy profiles. Its overall dimension and center height are designed according to customer workpieces. Fine adjustment is supported to realize seamless connection between discharging station and full automatic loading/unloading production line.
Profiled Custom Design
For workpieces with asymmetric cross-section, inductors adopt profiled design, whose cross-section direction keeps consistent with matched press die cross-section.
Internal Cabinet Components
T2 copper busbars are installed inside the control cabinet after sandblasting and passivation treatment. The busbars feature low leakage inductance and strong anti-oxidation capacity to effectively reduce circuit power loss.
Product Performance Advantages
- Circuit structure: Adopt parallel resonance design, phase-shift power regulation and full-controlled rectification. It features high power factor, low harmonic content and easy operation.
- Power saving: Stable matching between power supply and inductor enables full power output, low turn-off loss and low reactive power consumption. It cuts power consumption by 15%~30% compared with traditional inverter power supplies.
- Adaptive load: Variable frequency and self-adaptive load design. Parameters are matched automatically after replacing different induction furnaces without manual adjustment.
- Intelligent control: Full touch screen control with digital tuning mode. Complete production process data is automatically recorded with hierarchical access permission. Core equipment parameters can be restored to factory default settings with one click.
- Multi-protection system: Built-in self-protection functions against overcurrent, overvoltage, undervoltage, low water pressure, phase loss and overload. The equipment supports automatic self-diagnosis when abnormal conditions occur.
Customization Service
As a professional manufacturing factory, Hebei Yuantuo Electromechanical applies newly-developed annealing technology and updated furnace design. We customize standalone induction heating machines, complete heat treatment production lines and various non-standard induction heating devices complying with clients' production process, output target and workpiece specifications.
Cooperative customer
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