High-frequency induction heating machine for smelting, quenching and welding equipment
The high-frequency melting furnace series features adjustable power and controllable time, with comprehensive protection against overcurrent and insufficient water supply. It adopts intelligent frequency conversion for energy saving and low noise, and supports multi-purpose use through replaceable coils. As an intelligent melting equipment that can run at full load for 24 hours, it is suitable for efficient melting scenarios of various metals.
Efficient Melting and Heat Penetration: Each furnace only takes 2-10 minutes to melt, with efficiency far exceeding that of traditional equipment, significantly shortening the production cycle.
24-Hour Continuous Operation: Supports 100% full-load operation and has the capability of uninterrupted melting for 24 hours, easily meeting high-intensity production needs.
Comprehensive Safety Protection: Integrates multiple protection functions such as overcurrent, insufficient water supply, overheating short circuit, and phase loss. Combined with the built-in intelligent safety module, it automatically alarms when encountering abnormal conditions like insufficient water, overheating, overvoltage, overcurrent, or water shortage, fully ensuring the safety of equipment and operators.
Wide Adaptability to High Temperatures: The heating temperature can reach 2000°C, suitable for melting most common metals such as iron, copper, tin, and aluminum, meeting diversified production needs.
Excellent Melting Uniformity: Equipped with an electromagnetic stirring function, which can make the metal melt heated more evenly, reduce component segregation, and improve melting quality. It also supports precise adjustment of heating power and heating time to further optimize the melting effect.
Multi-Purpose Flexibility: Adopts a pouring design, matched with replaceable induction heating coils. Simply replacing different coils can adapt to various melting scenarios, greatly improving equipment utilization.
Intelligent, Energy-Saving and Low-Noise: Equipped with intelligent frequency conversion technology, it achieves energy-saving effects while reducing operating noise, and can stably support 24-hour continuous work, taking into account both environmental protection and efficient production.
High-frequency Induction Heating Device
Adopts Fuji MOSFET tubes and Siemens Opak IGBT power tubes, utilizing the first-generation "single-control series resonance technology", which is simple and reliable.
Allows adjustment of power and time during the heating and heat preservation process, helping to improve heating quality and repeatability while simplifying workers' operations and technical requirements.
Easy installation: simply connect to a single-phase 220V or three-phase 380V power supply, and connect the water inlet and outlet. It can be completed within a few minutes.
Extremely small footprint, simple operation, and can be learned in a few minutes. It is particularly safe, with an output voltage lower than 36V to eliminate the risk of high-voltage electric shock.
No open flame, making it safer. It uses eddy currents to generate electromagnetic induction, heating only metal objects.
Additional Outstanding Features
Equipped with all-solid-state IGBT frequency conversion and power adjustment, utilizing the second-generation "dual-regulation series resonance soft-switch control" technology to achieve automatic frequency tracking, ensuring high reliability.
100% duty cycle, capable of continuous 24-hour operation at maximum power heating.
Features constant power and constant current control functions, enabling efficient and rapid heating to the greatest extent and optimizing the heating process of metal workpieces.
Ultra-fast heating speed: for example, 1kg of platinum can be melted in just 50 seconds (using SL-45KW-B).
Equipped with frequency modulation, automatic frequency compensation circuit, and digital high-precision power triggering function, significantly improving heating and welding stability. It is more suitable for heat penetration forging forming, quenching, tempering, and other heat treatments of large workpieces.
Product Overview
The GWDL Series is a split-type, intelligent high-frequency induction heating system designed for demanding industrial heating applications. Powered by dual-regulated IGBT/MOSFET frequency and power control, the system ensures automatic frequency tracking, precise temperature control, and 100% continuous duty operation.
Its modular (split) configuration separates the power supply unit and heating unit, allowing flexible installation, easier maintenance, and higher adaptability to various process layouts.
System Composition
Component
Description
Power Supply Unit
Equipped with high-efficiency IGBT inverter modules (45–160 kW) for stable energy delivery.
Heating Unit (Inductor)
Water-cooled inductor with optimized coil design for rapid, uniform heating.
Control Panel
User-friendly interface with digital display, auto-tuning, power/time adjustment.
Auxiliary Cabinet
Includes control logic, safety interlocks, water circuit, and external IO interface.
Working Principle
Electromagnetic Induction: High-frequency alternating current generates an oscillating magnetic field via the inductor. Conductive metal parts within this field produce eddy currents, generating heat internally and rapidly.
Dual-Regulated Control: The system automatically adjusts both frequency (30–80 kHz) and power output to track load changes in real time, ensuring thermal stability even under fluctuating working conditions.
Split-Type Advantage: Separates the control/power module from the heating head, minimizing electromagnetic interference and reducing space requirements at the work site.
