New Toy for the Garage - Page 2 - FordTough.ca - Home of Canadian Ford Truck Enthusiasts
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post #11 of 14 (permalink) Old 01-10-2010, 01:44 AM
 
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A new toy.. how long have you wanted one of those?

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post #12 of 14 (permalink) Old 01-10-2010, 06:17 AM
 
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So I heard that you can use all different stuff for blasting, sand, glass, and a place near my house use walnut shells? Don't know how that works? I like the glass bead it lasts longer than sand.
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post #13 of 14 (permalink) Old 01-11-2010, 12:05 AM
 
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Quote:
Originally Posted by swackly View Post
So I heard that you can use all different stuff for blasting, sand, glass, and a place near my house use walnut shells? Don't know how that works? I like the glass bead it lasts longer than sand.
Yeah, there's all sorts of media that is used for blasting. Plastic, corn cob, and baking soda are some others. It really depends on what you are cleaning or stripping.

Sand is the most versatile IMHO, because it's cheap, and if you reduce the supply pressure to, say, 20 PSI, you can get passable results on softer materials like painted aluminum. Even the used sand is useful for stuff like soaking up oil on your shop floor.

Here's a web site for a company that has some pretty handy info:
http://www.kramerindustriesonline.co...ting-media.htm

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post #14 of 14 (permalink) Old 02-01-2010, 10:36 AM
 
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We had one of these types of units in the shop I ran years ago.

Very useful unit to clean parts up with.

You definately need a means to dry the air, which it seems you have addressed. However, you will require a high output compressor as well. Air/media blasting demands a lot of cfm.

We tried glass media, but it is more or less a 1-2 time use material. Sand is a one time use media. Aluminum oxide works very well and gives the most re-use. If it is an engine, or moving part, you must make sure you remove every bit of media as it can destroy things later if it gets into oil, moving parts, etc.

The machine shop that just built my new STI motor use baking soda to clean aluminum castings and other motor parts, as it degreases well, does not remove a lot of parent material, or create a lot of surface profile. Plus blasted parts can be cleaned in water/solvent to dissolve/remove any remaining baking soda media.

Real nice unit. This is a tool that is on my 'wish list'......................................some day!
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