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Pressure Sinter (Sinter-Hip) Furnace

Pressure sinter furnace is mainly suitable for sintering and pressure sinter processes of tungsten alloy, magnetic, heavy alloy, moly alloy, cemented carbide. etc.

Technical Features
1. The furnace adopts special hot zone structure and heating element design, which features good temperature uniformity.
2. Special designed debinding muffle is adopted with good sealing and complete bind removable, preventing inside components pollution.
3. Pressure sinter-hip furnace has functions of slow vacuum, vacuum pre-sinter, minor negative pressure debinding, TOWAC debinding and minor positive pressure debinding.
4. The pressure sinter furnace adopts advanced refractory structure and materials, which features good insulation performance and less heat absorption. It can save more than 20% energy compare to previous design.
5. The touch screen operation and PLC central control are used to make the operation simple and reliable.
6. The furnace has the functions of over temperature and over pressure fault alarm, mechanical automatic pressure protection and interlocking, which forms a highly safe furnace.
7. It has remote control operation, remote malfunction diagnosis and remote program update functions.

Optional Configuration of Pressure Sinter Furnace
1. Furnace door: Hinge turning type, manual tight/auto lock-ring tight
2. Furnace vessel: All carbon steel/Inner layer stainless steel/Total stainless steel
3. Furnace hot zone: all hard composite felt /Hard composite carbon felt +CFC
4. Heater material: isostatic press graphite/press high purity, high strength and high density graphite
5. Muffle material: fine size graphite
6. Process gas control: Volume/mass flow-meter, manual value/auto value, Foreign brand/Chinese brand
7. Vacuum pump and gauge: Foreign brand/Chinese brand
8. Load truck: roller type/fork type
9. Operation panel: simulation screen/touch screen/industrial computer
10. PLC: OMRON/Siemens
11. Temperature controller: SHIMADEN/EUROTHERM
12. Thermocouple: C type(tungsten sheath/Moly sheath/ceramic sheath)
13. Recorder: Paperless recorder/paper recorder, Foreign brand/Chinese brand
14. Electric components: CHINT/Schneider/Siemens

Specifications of Pressure Sinter Furnace
Spec\Model PSF-323212 PSF-050513 PSF-050518
Working Zone Size (W×H×L)(mm) 320 × 320 × 1200 500 × 500 × 1300 500 × 500 × 1800
Max. Weight (kg) (not mean actual load weight) 250 500 800
Max.temperature (°C) 1550 1550 1550
Temperature uniformity under vacuum (°C) ±5 ±5 ±5
Temperature uniformity under pressure (°C) ±7.5 ±10 ±10
Heating power of Pressure sinter-hip furnace (kW) 210 300 360
Ultimate Vacuum (Pa) 2 2 2
Pressure Increase Rate (Pa/h) 0.67 0.67 0.67
Working pressure 20/60/100 20/60/100 20/60/100
Process gas (bar) Ar/N2/H2/CH4 Ar/N2/H2/CH4 Ar/N2/H2/CH4
The above specifications are defined according to cemented carbide part. The above parameters can be adjusted to the process requirements, they are not as acceptance standard, the detail spec. will be stated in the technical proposal and agreements.
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