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Multi-purpose Hot Press Furnaces

Multi-purpose hot press, resistance heated, with overpressure 1 MPa Functions: · Working temperature: up to 2200°C (option bis zu 2400°C) · Vacuum: 5 × 10-2 mbar(a) · Working pressure: 10 bar(g) (1 MPa) · Debinding/dewaxing- sintern - gas pressure sintering and hot pressing in a combined process...

Hot pressing has a limited field of application for such materials which do not sinter to high densities due to low diffusion coefficients or for cases where a pore-free state is required (for optimum mechanical, thermal or optical properties).
  With this process only parts with simple shapes like plates, blocks, cylinders can be manufactured easily. With a highly sophisticated design of pressing dies also more complex shapes can be produced.
  Available pressing force: 50kN to 9000kN at max. 2500°C, applicable for components of max. Ø 700mm.


  Application of hot pressing in the field of ceramics include:

1.Silicon nitride, mixed ceramics of Al2O3, TiC/TiN and sialon for cutting tools, components of heavy-duty valves, bearings, wear parts for process technology.

2.PLZT (lead-lanthan-zircon-titanate) and other high developed functional ceramic (O2atmosphere)

3.Boron carbide (B4C) for extremely wear resistant parts and armors.

4.SiC whisker reinforced Al2O3 for cutting tools

5.MMC and CMC materials, composite materials

6.Sputter targets

 

Hot pressing technology is applied variously in fundamental research and production. 

 

Number

Model

Ø
  Resistance heating [mm]

Resistance   heating
  height
  [mm]

Max pressure
  [kN]

Max pressing

diameter [mm]

Max heating   power
  [kW]

P4

VVP-40/40

400

400

1500

200

100

P6

VVP-60/45

600

450

3000

300

250

P7

VVP-70/55

700

550

6000

400

300

P8

VVP-80/65

800

650

9000

500

500

P9

VVP-90/75

900

750

12000

600

1000



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