Vacuum Metallising

Vacuum metallising consists of evaporating a metal, such as aluminum, in a vacuum chamber so that it is deposited onto substrates. These substrates can be plastic, glass or metal parts that rotate inside the vacuum chamber so that the metal is evenly deposited on all their surfaces.

The vacuum metallising process is applied in car headlight, pilot light and light manufacturing, the packaging, decorative packaging, toy industries, etc.

Telstar metallisers are characterised by their fully automatic, rapid cycle. They include the following processes:

• Glow discharge to improve aluminum adherence
• Metal evaporation
• Second evaporation of other materials (SiO)
• Plasma activated monomer polymerisation
• Reactive polymerisation

The machines can include cold traps, fed by liquid nitrogen or closed cycle refrigeration units, to accelerate the high vacuum process. They have a double pumping unit, to reduce the cycle time, vacuum calibration probe, etc.

The most common configuration is a vertical cylindrical chamber with a double door.

The chamber's standard diameters are: 1,300 - 1,500 - 1,800 millimetres.

Standard heights: 1,200 - 1,500 - 1,800 millimetres.

The number of satellites can vary from 4 to 16.