The In duction Vacuum Induction Melting Furnace is a device used for heating and processing materials in a low-pressure or vacuum environment. It effectively reduces oxidation and contamination, making it suitable for high-temperature processes such as melting, sintering, and annealing. Vacuum Induction Melting Furnaces typically feature high-precision temperature control and atmosphere regulation, widely used in industries like metals, ceramics, semiconductors, and glass.
Product Description:
The induction Vacuum Induction Melting Furnace is a device that utilizes the principle of electromagnetic induction to heat and melt materials in a vacuum environment. It generates eddy currents in conductive materials through high-frequency currents, achieving rapid and uniform heating.
Product Features:
High Temperature Capability: Capable of reaching temperatures exceeding 2000°C, suitable for melting metals and alloys.
Vacuum Operation: Works in a vacuum or inert gas atmosphere, reducing oxidation and contamination, ensuring high purity of materials.
High Energy Efficiency: Induction heating is highly efficient, allowing for rapid heating and cooling, saving energy.
Precise Control: Temperature and melting processes can be precisely controlled to accommodate the processing needs of different materials.
Versatility: Widely used in metal smelting, ceramic sintering, and composite material processing across various fields.
Purchase Information:
If you are interested in our Vacuum Induction Melting Furnace, please contact us for more information and pricing.
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Email: Jimmy@cysitech.com
Contact Person: Jimmy Hao
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Technical Parameters:
Product Name | Vacuum Induction Melting Furnace |
Model | CY-VF-IH |
Capacity | Options from 500g to 5kg |
Furnace Structure | Carbon steel shell, double-layer structure |
Heating Element | Induction heating |
Working Temperature | Max. 3200°C |
Heating Rate | ≤20°C/min, recommended at 10°C/min |
Precision | ±1℃ |
Thermocouple | IR |
Temperature Uniformity | ±5℃ |
Control Method | Screen control (stores 16 temperature curves), 16-segment programmable controller, PID automatic controller, thermocouple disconnection protection, and over-temperature automatic protection alarm |
Atmospheric Control | Fine-tuning valve for gas intake, capable of introducing inert gases like Ar or N2 according to process requirements |
Vacuum System | Low vacuum: Dual-stage rotary vane vacuum pump, 3Pa High vacuum: Mechanical pump + diffusion pump/molecular pump, -3Pa |
Cooling System | Water Chiller |
Power Supply Voltage | Single-phase 220V, 50/60Hz; three-phase 380V, 50/60Hz |
Main Components:
Component Name | Description |
Main Unit | Set process parameters, where physical changes of the sample occur |
Vacuum System | Chamber obtains vacuum |
Gas Control System | For filling with inert gases |
Water Chiller | For cooling the chamber |
Accessories | Gloves, hex keys, heating rods, pliers |
User Manual | Standard configuration |
Application Fields:
Metal Smelting: Used for melting high-purity metals and alloys, such as titanium, nickel, and tungsten, ensuring material quality.
Aerospace: Processes aerospace components and materials to meet high-performance requirements and withstand extreme environments.
Electronics Industry: Used for melting and processing semiconductor materials to ensure their performance and reliability.
Ceramic Manufacturing: Suitable for sintering high-performance ceramic materials, enhancing strength and wear resistance.
Powder Metallurgy: Melts and forms metal powders in a vacuum environment to produce high-performance composite materials.
Nuclear Energy: Used for manufacturing and processing nuclear reactor components, ensuring radiation resistance and stability.
Recycled Materials: Employed in the recycling and reprocessing of metal waste to improve resource utilization efficiency.·
Application Case: "Preparation of Tungsten-Nickel-Iron Alloy Using Induction Vacuum Induction Melting Furnace"
Process Steps:
1. Raw Material Preparation:
Prepare high-purity tungsten powder, nickel powder, and iron powder in the desired ratio (e.g., tungsten: nickel: iron = 90:6:4).
2. Mixing:
Uniformly mix tungsten, nickel, and iron powders to ensure compositional uniformity.
3. Loading the Furnace:
Load the mixed powders into a high-temperature resistant crucible.
4. Vacuum Pumping:
Start the vacuum pump to achieve a vacuum below 10⁻³ mbar to remove air from the furnace.
5. Atmospheric Control:
Introduce inert gas (e.g., argon) to protect the melting process and prevent oxidation.
6. Heating:
Activate the induction heating system and slowly raise the temperature to the alloying temperature (typically between 1400°C and 2000°C).
7.Maintaining High Temperature:
Maintain the temperature for a certain period (usually 30 minutes to several hours) to ensure full reaction and alloying.
8.Cooling:
Turn off the induction heating system and allow the furnace temperature to slowly drop to room temperature to avoid cracking due to thermal stress.
9. Product Extraction:
Open the furnace door at a safe temperature and carefully remove the alloy ingot.
10. Post-Processing:
Perform necessary machining or surface treatment on the tungsten-nickel-iron alloy to meet specific application requirements.
Precautions:
Ensure high purity of raw materials for quality alloy production.
Control heating and cooling rates to minimize thermal stress effects on crucibles and products.
Regularly check equipment to ensure proper operation of the induction system and vacuum pump.
Common Issues During the Use of Vacuum Induction Melting Furnace
Oxidation or Contamination:
Materials may still be affected by trace oxygen, leading to oxidation even in a vacuum state.
Temperature Non-Uniformity:
Uneven temperature distribution inside the furnace may cause uneven sintering or damage to materials.
Vacuum Leaks:
Vacuum systems may develop leaks, affecting atmospheric stability and processing effectiveness.
Cracking of Samples:
Rapid heating or cooling may lead to thermal shock and cracking.
Improper Atmospheric Control:
Insufficient concentration of inert gas in the atmosphere may impact sintering quality.
Precautions During the Use of Vacuum Induction Melting Furnace
Atmosphere Monitoring:
Regularly check the atmosphere and vacuum levels in the furnace to ensure stability.
Heating and Cooling Rates:
Control the rates of heating and cooling, generally recommended to change slowly to reduce thermal stress.
Material Selection:
Ensure that the materials used are suitable for high-temperature and vacuum environments to avoid incompatible chemical reactions.
Regular Maintenance:
Periodically inspect and maintain the furnace body, vacuum system, and heating elements to ensure normal operation.
Safety Protection:
Wear appropriate personal protective equipment during operation to ensure safety.
By focusing on these common issues and precautions, the efficiency of the Vacuum Induction Melting Furnace and the quality of material processing can be improved.
