How do I sand my Frame??? HELP!!!! - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 03-07-2001, 02:17 PM
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How do I sand my Frame??? HELP!!!!

OK, I got my new frame and I've been sanding the hell out of it...but I'm not going anywhere fast...it's taking a long time...I'm useing a 5in orbital sander with 50 and 80 grit...(ran out of 50) It's taken me a long time to sand down a 3 or 4 foot patch...is this normal or am I doing something wrong? Help me please...My plan is to paint it with Hammerite once I'm done...Is there any short cuts? I really wanted to get this done before the end of the month so i could start the rebuild...I've already taken the last week of the month off to kick butt and take names on the rebuild.....HELP!!!!!!


Tucker

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post #2 of (permalink) Old 03-07-2001, 02:20 PM
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Re: How do I sand my Frame??? HELP!!!!

Sandblaster. You can get one from harbor freight or anywhere else for that matter. Just hook up to your air tank and look out.




Jason

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post #3 of (permalink) Old 03-07-2001, 02:23 PM
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Re: How do I sand my Frame??? HELP!!!!

Yeah...i thought about that, but I don't have a tank and I don't have the money right now to buy one...I was thinking of a 5in grinder or something...I may have the money to swing the grinder...

Tucker

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post #4 of (permalink) Old 03-07-2001, 02:27 PM
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Re: How do I sand my Frame??? HELP!!!!

What about a rental place. Call them up; do'nt cost nuttin.


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post #5 of (permalink) Old 03-07-2001, 02:40 PM
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Re: How do I sand my Frame??? HELP!!!!

The grinder is too aggressive. You may end up removing more material than you should, weakening the frame. If you do use the grinder, use a soft wheel, and don't use too aggressive of a grit. A hard wheel can destroy your frame faster then you can imagine. You might consider checking into prices on compressor rental for a sandblaster, or just taking the frame to a place that does sandblasting. I usually only use the old angle grinder for weld cleanup and that type of thing. I got my sandblaster at harbor freight for $30. If you know someone who has a compressor you can use, this is the best route. Sand is usually around $5 a bag at your local building supply. I have even seen cheaper sandblasters that aren't much more than a gun and a hose you put into a bucket of sand. I have cleaned quite a bit of structural steel and frames, and the sand blaster is the way to go. Let me know how the hammerite works, I am planning on using it on my own frame.
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post #6 of (permalink) Old 03-07-2001, 03:52 PM
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Re: How do I sand my Frame??? HELP!!!!

If you go the grinder route, you could use a knotty-wire cupped brush wheel instead of a grinding disc. I used a wire brush when I prepped my CJ for Herculiner and it worked excellent. Went really quick down to the bare metal, and the brush seems to last forever. Just another option for you to think about.

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post #7 of (permalink) Old 03-07-2001, 04:13 PM
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Re: How do I sand my Frame??? HELP!!!!

I went the same route as Digger and it worked great. I used a 4" angle grinder and a knotted wire wheel. Took it down to bare metal on most of it. Then used POR15 on the whole thing. Should have topcoated it but didn't see the need since it won't be in direct sunlight, I hope. The angle grinder cost around $50 and those wire wheels about $12-$16. They last a long time but do eventually wear out and when they do, look out! Wire shards in the eye are no fun. Wear eye protection! Good luck.

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post #8 of (permalink) Old 03-07-2001, 05:54 PM
 
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Re: How do I sand my Frame??? HELP!!!!

I rented a sandblaster and a compressor from the local rental place. They also sell sand pretty cheap. It was less than $100 for a 24 hr period. A half day for just the frame would be sufficient for $50, I guess.
I did my CJ-7 about 4 years ago with POR-15, it still looks great!
Bob in Ma

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