Shot
Blasting

Shot blasting works by propelling round materials known as shot media against a surface which in turn removes the contaminants of the surface and also can improve its finish. What type of shot media is used is a very important decision for the shot blasting process. The size and hardness of the shot material will dictate how much surface removal of the material being cleaned will occur. The type of material being cleaned will also play a role in the effectiveness of the shot blasting process. Typically, the shot material and size will be selected depending on the composition of the material whose surface is being shot blasted.

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Another important part of the shot blasting process is the propulsion method and the resulting velocity of the shot material. The most common way to propel the shot blasting media is through the use of a centrifugal wheel. To propel the shot blasting media, it is unloaded into a centrifugal wheel. Once the shot blast material has been accelerated by the wheel to the desired velocity, it is expelled from the wheel and into the shot blasting gun. Then the operator or machine holding the shot blasting gun directs the flow of the shot media to clean the material surface.

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The following materials can be shot blasted:

• Carbon Steel

• Engineering Steel

• Stainless Steel

• Cast Iron

• Titanium

• Copper

• Concrete

• Certain types of ceramics