Sand Blasters, what to do?what to do? |
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Sand Blasters, what to do?what to do? |
JimmyG |
Aug 24 2009, 04:07 PM
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#21
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Member Group: Members Posts: 146 Joined: 10-September 04 From: Birmingham, AL Member No.: 2,730 Region Association: South East States |
Hello All,
Trying to get prepared to finish all of the reinforcement work on the body and decided that it would be a good idea to do a little sand blasting to clean things up a bit. I've seen units from $199 - $3000. And visually can't see any difference in them. I've seen blast media from sand to walnut shells to soda. Can somebody that has used these on a car tell me what is the best buy for a poor homeowner that wants to have a unit to use more than once but doesn't want to spend the motherlode. and the best overall media. Any help would be appreciated. Off to ball practicefor my kids. Be back to look at this in a bit. Thanks. |
FourBlades |
Aug 25 2009, 08:49 AM
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#22
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From Wreck to Rockin Group: Members Posts: 2,055 Joined: 3-December 07 From: Brevard, FL Member No.: 8,414 Region Association: South East States |
I have cheap siphon and pressure blasters. Siphon tend to clog up more, which is the big pain about blasting. You need to sift the media well so no big chunks get in there and cause a clog. It is a hassle stopping and taking everything apart to clear it out. With a pressure pot blaster I always turn off the flow of media before shuttng the blast nozzle, otherwise it causes a clog. I ran a 10 foot line from my compressor to a $50 water separator, then a 50 foot line to my blaster. The air coming out of your compressor is too hot for the water separator to work well unless you run an extra line to let it cool. My pressure pot blaster has a second water separator right before the tank. Right before the blaster I use a disposable water remover cartridge that turns red as it absorbs water. This is enough to make things work ok in FL, so it ought to work other places. Using a clear tube from your siphon blaster to your media helps to see when a clog is forming. When everything is working well blasting is fun for about 5 minutes, then you realized how slow a process it is. It is like cleaning your parts with a toothbrush size area that you have to move slowly to get everything off. Doing a whole car with a cheezy set up would be a real nightmare. I think it is best for small parts with complex shapes or parts of your car that are impossible to reach with a wire wheel or grinder. John |
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