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Working Principle & Applications of High Temperature Heating Plate
Product Overview
High temperature heating plate converts electric energy into thermal energy for object heating, which is an efficient form of electric energy utilization. Compared with conventional fuel heating, electric heating can achieve extremely high temperatures (e.g. arc heating can reach above 3000℃), enabling automatic temperature control and remote control easily.
It can maintain a customizable temperature distribution on heated workpieces as required. The high temperature heating plate generates heat directly inside the workpiece, featuring high thermal efficiency and fast temperature rise. According to heating process requirements, uniform overall heating or local heating (including surface heating) can be realized, and vacuum heating & controlled atmosphere heating are easily available.
During electric heating, little waste gas, residue and smoke are produced. It keeps workpieces clean without environmental pollution.
Working Principle of Heating Plate
High-frequency heavy current flows through a heating coil made into ring or other shapes (usually fabricated from red copper tube).
A strong magnetic flux with instantly alternating polarity is generated inside the coil. When metal workpieces are placed inside the coil, the magnetic flux penetrates the whole workpiece. Inside the workpiece, large eddy current will be induced in the opposite direction of heating current.
Due to the resistance of the workpiece material, abundant Joule heat is generated, rapidly raising the workpiece temperature from within, to achieve heating of all metallic materials.
800℃ High-Temp Ceramic Heating Plate | High Efficiency & Energy Saving | Smoke-Free & Clean | Vacuum / Controlled Atmosphere Supported
Applications
- 1. Heat Treatment: Local or overall quenching, annealing, tempering and through heating of various metals;
- 2. Hot Forming: Whole-piece forging, local forging, hot upsetting and hot rolling;
- 3. Welding: Brazing of metal products, welding for cutting tools, saw blades, steel & copper tubes, similar and dissimilar metal welding;
- 4. Metal Melting: (Vacuum) melting, casting and evaporation coating for gold, silver, copper, iron, aluminum and other metals;
- 5. Other Applications: Semiconductor single crystal growth, thermal fitting, bottle neck heat sealing, tube heat sealing, powder coating, metal insert embedding into plastic.
FAQ
Q1: What heating principle does the high temperature heating plate adopt?
A: It adopts high-frequency electromagnetic induction heating principle. High-frequency current passes through a red copper coil to generate alternating strong magnetic flux, inducing eddy current inside metal workpieces. Joule heat is generated by workpiece resistance so the workpiece heats rapidly from inside out with high thermal efficiency.
Q2: What advantages does electric heating plate have compared with fuel heating?
A: It can reach ultra-high temperature up to 3000℃, support automatic and remote temperature control, flexible temperature field distribution. No exhaust gas or smoke, keeps workpiece clean, and supports vacuum heating & protective atmosphere heating.
Q3: What working conditions are suitable for the 800℃ ceramic heating plate?
A: It is suitable for precision heat treatment requiring vacuum or protective atmosphere environment. It supports local spot heating or uniform bulk heating, ideal for laboratory and precision metal processing.
Q4: What metal processes can the high temperature heating plate serve?
A: Metal quenching, annealing, tempering and other heat treatment; forging, hot upsetting and hot rolling forming; brazing for dissimilar metals; vacuum melting, evaporation coating for gold, silver, copper, iron and aluminum.
Q5: What extended applications besides metal processing?
A: Semiconductor single crystal growth, thermal assembly fitting, bottle / tube heat sealing, powder coating, preheating for metal insert molding and other precision industries.
Key Product Summary
- Heating Principle: High-frequency electromagnetic induction generates eddy current & Joule heat. Workpiece is heated internally, fast temperature rise & high thermal efficiency
- Core Advantages: Max temp up to 3000℃, automatic temperature control, zero emission, compatible with vacuum / protective atmosphere
- Working Conditions: Uniform overall heating or local spot heating, meeting diversified requirements of process temperature distribution
- Main Applications: Metal heat treatment, hot forming, welding, vacuum metal melting and coating
- Extended Scenarios: Semiconductor, heat sealing, powder coating, metal-plastic composite and other precision processing industries
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