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07-01-2007, 07:32 PM
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#1 |
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Junior Member
Join Date: Jan 2007
Location: Dallas, TX
Posts: 246
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sandblasting
well, today i tried out my sandblaster. i blasted about 1/4th of a rally rim, and thought to myself "i didnt picture it comming out this rough-looking on the baremetal".
is that whats normal? also, whats the common method to preparing "viewable" parts for refinishing? i suppose i might need to sand it down quite a bit after im done stripping the rust off, but the shape of the rim is going to make that a total pain in the ass. tips, stories, etc? |
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07-01-2007, 07:49 PM
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#2 |
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Registered User
Join Date: Oct 2006
Location: Orland Park Il
Posts: 2,041
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Re: sandblasting
Try blasting with walnut shells, will leave less of a profile on the steel. DuPont calls theirs Starblast, there are other brands out there that are a little cheaper. You can use a filler primer to smooth things out too.
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68 GMC C3500 Longhorn DRW 67 Chevy C10 LWB 90 Mustang Gt 90 Mustang Notchback |
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07-01-2007, 08:06 PM
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#3 |
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Junior Member
Join Date: Jan 2007
Location: Dallas, TX
Posts: 246
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Re: sandblasting
aight then, i saw that at harbor freight, ill pick some up tomorrow.
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07-01-2007, 09:20 PM
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#4 |
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Senior Member
Join Date: Feb 2005
Location: Maynardville, Tn
Posts: 3,030
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Re: sandblasting
What type of media are you using? We use 120 glass beads and it leaves a smooth gray finish.
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SEMA Network- Protect our Hobby! 71 C30 in pieces, starting to come together. Click here for A Place For Tennessee Truck Enthusiest To Meet |
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07-01-2007, 09:43 PM
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#5 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: sandblasting
My experience with walnut shells hasn’t been too good. I supposed it depends on the paint you are trying to remove.
s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. 
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07-01-2007, 10:21 PM
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#6 |
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Junior Member
Join Date: Jan 2007
Location: Dallas, TX
Posts: 246
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Re: sandblasting
well im trying to remove a combination of rust and chipped paint.
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07-01-2007, 10:29 PM
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#7 |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: sandblasting
I don’t think it will remove rust, paint maybe. Have you considered powder coating your wheels?
I don’t think the rough finish is going to hurt your paint outcome if you use a Base Coat/ Clear Coat. s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.
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07-02-2007, 06:39 AM
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#8 |
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Senior Member
 
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,761
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Re: sandblasting
How much air pressure are you running???
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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07-02-2007, 08:02 AM
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#9 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: sandblasting
walnut shells wont do much on rust// i blast rusty rims with sand then just use 80-100grit to cleanup wipe down with thinners and epoxy primer and then the color with great results
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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07-02-2007, 08:32 AM
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#10 |
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Registered User
Join Date: May 2000
Location: Middletown, Ohio
Posts: 131
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Re: sandblasting
Sandblasting leaving a rough finish?
I would say that unless the rust has pitted the metal, it is normal and does not matter. I blasted an entire frame, cab, etc. using "play sand". You must wear a mask because regular sand contains silica dust. The roughness is actually a good thing when it comes to painting. This makes paint and/or primer adhere really well. Also, primers and paint fill in a sandblasted surface and will be mirror smooth. My 2 cents........................ |
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07-02-2007, 09:02 PM
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#11 | ||
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: sandblasting
Quote:
Quote:
 s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.
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07-03-2007, 09:48 AM
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#12 |
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Senior Member
Join Date: Sep 2002
Location: Hampstead, NC
Posts: 8,190
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Re: sandblasting
So what is the best sand to use, and where can you buy it?
Thanks. Scott
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1963 C10 swb fleetside 1966 GMC G1000 Handi-bus (future project) 1955 Chevy 2 dr. wagon |
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