How to reduce the wear of Abrasive media in Sandblasting Process

How to Reduce the Wear Abrasive media in Sandblasting Process
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In the sandblasting process, the choosing of abrasive media depends on the material of work-pieces.

Angle of Sandblasting

Angel of sandblasting
Angle of sandblasting

Many people believe that holding a sandblasting gun in 90 degrees on the surface will optimize the process of rust or decontamination of the workpiece surface. However, this will actually slows down the blasting process and makes the abrasive media wear faster. The blasting gun should be positioned at a 30-45 degree angle to your surface to allow your abrasive to achieve the best results with less wear. Especially when you want to find a suitable effect, a multi-angle work test will be needed to find the balance.

The Distance in Sandblasting Process

In sandblasting process, closing to the surface of work pieces does not lead to better results, it will also wastes abrasive grit. The close distance will reduce the blasting area, increase blasting time, and easily crush the abrasive sand, reduce its lifetime.

The balance point between abrasive ware rate and speed rate need to be found. The distance should be kept in six to eight inches when use  hand controls the blasting system. While when using the direct blasting system,the distance should be 10 to 14 inches away.

Also keeping in mind that the closer to a thin work piece, the easier it is to deform them, no matter what sandblasting media you use.

The amount of Abrasive Media

Abrasive media
Abrasive media

The right proportion of abrasive media usage will optimizes the life of abrasive sand and the blasting effects. Using too much abrasive media will not get faster work, and the abrasive sand will also wear faster. Using too little will reduce the blasting efficiency and will not possible to achieve the expected affect. The abrasive media in the storage device should between 50% to 90%.

Growell VN is a specialized supplier of abrasive media including: steel shot, steel grit, aluminum oxide and glass beads.


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Reference articles:

Introducing about suction cabinet Growell VN

Introducing about blasting room

How to choose the right abrasive sand?

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