Pressure pot, dust collector,blast cab, build a tent big stuff


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Posted by Chris Case [75.36.38.54] on Saturday, January 05, 2013 at 08:46:57 :

In Reply to: Sandblast advice, THX in advance. posted by Doug in CO [68.177.208.75] on Friday, January 04, 2013 at 22:11:17 :

A pressure pot is what separates the pros from the amateurs. It works 10 times faster than a siphon system.

Plus you need a dust collector, or a huge shop vac.

And being inner city, I need to contain my dust, so I build a tent around the parts that are too big for my extended cabinet. PVC pipe fittings assembled dry, so it can be easily modified or taken apart for storage. Spring clamps hold the visqueen on, and I unclamp a seam to insert the blaster 'lance', a piece of 1/2 water pipe extending the hose. The end has a 45 degree elbow, which I can rotate to get the best angle. The dust collector makes the ten negative pressure, no silicosis bearing air coming at me, no more breathing precautions needed than if I use a cabinet. None. Eye protection still required. Sweep up the sand and re-use ONE time. IIRC, it took abut 12 bags to do my disassembled,frame, running gear, springs, and cab.

Frame was on two engine stands as a rotisserie. Blast all you can from various seams in tent, then rotate frame and do some more, Then move the 5' tent, shovel up sand, and repeat. I used about 3 bags of sand at a time. It took time, but I have time and little money.

I painted the frame and components in the open, then did the cab. I also used the tent as a 3-sided spray booth, with the dust collector too. The neighbors never even knew I was doing any of this, they never smelled a thing. As compared tot eh first test blast in the open, one came came over to discuss why he smelled sand blasting.

For clean air when spraying, I breath through a CPAP system with nasal mask. Cheap and no filters needed because the intake is out of the vapor flow.

Nother pic to follow.



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