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13-04-2015
Ideals of abrasive blast cleaning: Techniques and methodologies

Chemical corrosion, excessive rusting and excessively rough surfaces are common frustrations in mechanical operation of machinery. In eliminating these concerns with much ease, the use of various abrasive blast cleaning techniques is performed. As indicated in the name, the process involves the use of abrasive materials in getting rid of the concerns. In the process, the cleaned part is etched, smoothed and cleansed of any impurities. In eliminating such challenges, various approaches have been advanced to minimize structural friction and wear and tear during the normal operation of machines. However, this may not totally eliminate the three problems. As such, there is need to have the rust and corroded surfaces periodically cleaned before oiling or greasing. These include:

Wet abrasive cleaning

Wet abrasive blast cleaning involves the use of water as a medium for facilitating the cleansing process. In this case, the use of water or any other cleansing fluid minimizes the rate at which the surface is worn out. In the process, damage on the surface is minimized leading to a smoother finishing of the surface. In the overall, the cost of abrasive blast cleaning is considerably reduced.

Bead blasting

Bead blasting, is another technique widely used today which involves the use of spherical glass. Under this technique, the beads are pressure shot to the surface being cleaned. With glass being mild, less damage occurs on the surface leading to quicker polishing during the cleansing of the surface. This technique is more preferred for use in removing paint from auto surfaces or cleaning fungi off tile surfaces over the water based process.

Dry ice blasting and bristle blast cleaning

An additional technique used today is a dry ice blasting that uses soft dry ice shot at high speed onto the surface. This leads to tiny explosions over the surface being cleaned. With most of the dry ice subliming, there is often no residue left on the surface cleaned.  An additional technique in use today is the bristle blast cleaning which involves the use of steel wire bristles. In this case, the bristles are rotated on the surface being cleaned leading to total removal of the impurities while leaving it smooth and partially polished.

 

 


Never heard of bead blasting but I think that's great information!
Posted by: Lisa | July 29, 2016, 1:30 pm
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