How Vapour blasting works

Vapour blasting works by using  a combination of waterblasting and shot peening at the same time. Compressed air, water and cleaning media  ( usually glass beads ) are fired at the surface cleaning and gently shot peening at the same time. The water removes dirt  and carries it away immediately  so the clean surface has no contaminants  to be pushed back in to the material. The glass beads are supported in the water finish and seal the surface.

The results speak for themselves.

The vapour blasting process  cleans by flow of water and abrasive running across the part surface not by sheer force and impact like in conventional dry blasting operations.

  • Water acts as a lubricant between the abrasive media and the  surface
  • Vapour blasting can provide a gentle surface peening depending on the material being treated and  the abrasive media. This can give a  key for painting  or bonding with composites
  • No  abrasive media gets inpregnated in to the surface of softer materials  like aluminium, brass,  bronze, carbon fibre.
  • No heat warping on thin materials

 

How Vapour blasting was invented

After some research,  the most likely story so far is that vapour blasting was developed during WWII. It was initially used in the aircraft and machine industry to create surface tension in parts in order to strengthen them.  Rolls Royce used it to strengthen turbine blades before assembly into their jet engines.

 

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