Resistance heating in vacuum graphitizing furnaces involves specific parameters to ensure optimal performance. Key specifications include working area sizes (1300x1300x2000 mm to 2000x2000x4000 mm), maximum temperature (2600°C), temperature uniformity (±10 to ±20°C), vacuum levels (ultimate vacuum of 50 Pa), and pressure rise rate (0.67 Pa/h). These furnaces support both resistance and induction heating, with configurations like graphite-based or all-metal designs for different processing needs. They are versatile for applications like metal heat treatment, ceramic sintering, and electronic component manufacturing, offering controlled environments, energy efficiency, and precise temperature control.
Key Points Explained:
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Working Area Sizes
- Standard dimensions:
- 1300x1300x2000 mm
- 1500x1500x3000 mm
- 2000x2000x4000 mm
- Larger sizes accommodate bulk processing, while smaller ones suit precision tasks like lab experiments or electronic component manufacturing.
- Standard dimensions:
-
Temperature Parameters
- Maximum Temperature: 2600°C, suitable for high-temperature processes like graphitization or ceramic sintering.
- Uniformity: ±10 to ±20°C, ensuring consistent results across the workpiece.
- Achieved via resistance heating elements (e.g., graphite or MoSi2) or induction heating, depending on the vacuum carburizing furnace configuration.
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Vacuum Performance
- Ultimate Vacuum: 50 Pa, critical for minimizing oxidation and contamination.
- Pressure Rise Rate: 0.67 Pa/h, indicating leak-tight construction for stable long-term operation.
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Heating Configurations
- Graphite-Based: Uses carbon felt and graphite foil for high thermal efficiency and cost-effectiveness.
- All-Metal: Molybdenum/stainless steel construction for ultra-clean environments (e.g., aerospace components).
- Both include gas quenching systems for uniform cooling.
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Applications
- Metal heat treatment (quenching, annealing).
- Ceramic/glass processing (sintering, melting).
- Electronic manufacturing (resistors, capacitors).
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Control & Safety Features
- Programmable PID/PLC controllers (51-segment protocols).
- Over-temperature protection and auto-shutdown mechanisms.
- Optional PC integration for remote monitoring.
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Material Advantages
- Low thermal conductivity, high corrosion resistance, and long service life.
- Stable chemical properties for repeatable results.
Have you considered how these specifications align with your specific heat treatment or sintering requirements? The balance between size, temperature, and vacuum performance often dictates the furnace’s suitability for niche applications like semiconductor fabrication or advanced alloy development.
Summary Table:
| Specification | Details |
|---|---|
| Working Area Sizes | 1300x1300x2000 mm to 2000x2000x4000 mm |
| Max Temperature | 2600°C |
| Temperature Uniformity | ±10 to ±20°C |
| Ultimate Vacuum | 50 Pa |
| Pressure Rise Rate | 0.67 Pa/h |
| Heating Configurations | Graphite-based or all-metal (Mo/stainless steel) |
| Applications | Metal heat treatment, ceramic sintering, electronic component manufacturing |
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