On Sunday, June 22, 2014 6:44:23 AM UTC-7, Greg Guarino wrote:
The last couple of weekends have been busy and thus unproductive
woodworking-wise. I'm trying to come up with an efficient regime to sand
the lots and lots of repetitive parts that make up the two shelf units
I'm building.
I made myself a little "corral" just big enough to immobilize four 9" x
1.5" pieces at a time (four 1/2" ply "fences" in a rectangle) for
sanding. I will probably do something similar for the other size parts.
Per advice here (distilled from several posters) I'm going to use (at
least) 120 and 150 grit. The project is made of standard Lowe's-issue
S4S red oak.
I have a random orbit sander and an old (1960's vintage, chrome)
third-sheet finish sander. I'm wondering if I could possibly streamline
the process by using both. I know it's easy enough to slap on another
hook and loop disk, but I'll be doing that every minute or two, or
alternatively setting up each batch of parts twice (or 3 times).
If I can get good results using the finish sander for the finer grit, or
possibly even for only the 180 if I decide that's necessary, it could
save me from having to repeat one little irritating step over and over.
I can imagine several possible flaws in this plan, but I really don't
have enough experience to know how much of a problem any of them would
be. Until recently, finish sanders were all I had. Of course, my
previous projects were composed mostly of plywood.
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Wll, around my shop you will find those hard rubber sanding blocks with labels painted on them of 100, 150, 220. I have at least two complete sets. Keeping fresh paper on these you can sand just as fast, stay with the grain swap grits in a second by dropping one block and grabbing the next.
For all projects, I power sand all the lumber to 150 after thicknessing is done and before cutting parts. I do the same for ply. I always start with 100.