Best approach to prep this?

N

ncornilsen

Hi,
I'm building a tube frame for my Nova project. It's got alot of little nooks and cranies, fun stuff to prep!

I have:
Wire wheels, many sizes
Strip-It discs from Lehigh abrasives, 4 1/2" angle grinder size and 2" roloc sizes. coarse grade.
60 grit discs for the roloc die grinder
various grit flapper wheels.

Alot of the items have millscale, which the strip-discs do a decent job at.

This car is welded to a leveled frame jig, and can't be taken away for blasting, nor will I blast in my shop.

How would you prep this?
strip discs for everything I can...
Wire wheel for the crannies that only it can reach
run over it with 80 grit flap discs where I can, and 80grit by hand in the intricate areas?

Note that not everything in this picture will be primed in this stage, I just want to get as much as I can into primer now, to stop the surface rust!
 

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I would da 80 where I could. the strip disc and wire wheel will work good for cleaning up where you cant get with the da, just be sure to hand sand where you used them because they tend to polish the metal.
 
Like dmattingly says, Clean N Strip discs can leave a residue, possibly a very thin smear of the plastic that holds the wheel together melts onto the metal surface. Hand or DA sanding afterward with 80 will remove it.
 
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