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Vacuum Debinding Furnace

Vacuum debinding furnace is mainly used for debinding process of tungsten, heavy alloy, moly alloy and cemented carbide materials. It can remove the binders like PEG, paraffin and rubber. Vacuum debinding tube furnace is also applied in debinding process of extrusion rod and press parts.

Technical Features
1. The furnace uses special hot zone structure and heating element design, which features temperature uniformity.
2. Special designed debinding muffle is adopted with good sealing and complete bind removable, preventing inside components pollution.
3. Vacuum debinding furnace has functions of slow vacuum, vacuum pre-sinter, minor negative pressure debinding, TOWAC debinding and minor positive pressure debinding.
4. The furnace adopts advanced refractory structure and materials, which features good insulation performance and less heat absorption.
5. It works by using touch screen operation and PLC central control, which makes 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. Vacuum debinding tube furnace has remote control operation, remote malfunction diagnosis and remote program update functions.

Optional Configuration of Vacuum Debinding 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: ceramic fiber felt+hard composite carbon felt, Soft carbon felt+Hard composite felt
4. Heater material: Ni and Cr alloy/isostatic press graphite
5. Muffle material: Ni and Cr alloy/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/S type/K type/N 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 Vacuum Debinding Furnace
Spec\Model VD-020203 VD-030306 VD-040412 VD-89150
Working Zone Size (W×H×L)(mm) 200 × 200 × 300 300 × 300 × 600 400 × 400 × 1200 Φ890 × 1500
Max. Weight (kg) (not mean actual load weight) 30 150 250 500
Max.temperature (°C) 950 950 950 950
Temperature Uniformity (°C) ±3 ±3 ±3 ±5
Heating Power (kW) 30 60 105 180
Ultimate Vacuum (Pa) 1 1 1 1
Pressure Increase Rate (Pa/h) 0.67 0.67 0.67 0.67
Process gas Ar/N2/H2 Ar/N2/H2 Ar/N2/H2 Ar/N2/H2
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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