Your favorite sanding sponge or profile sanding technique?
#11
  
I need a better method to sand round overs on plywood than with folded-over paper.

I'm thinking sanding sponges. If so, which one?

If not, then what?
Semper fi,
Brad

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#12
  Re: Your favorite sanding sponge or profile sanding technique? by ®smpr_fi_mac® (I need a better meth...)
(02-02-2021, 07:41 PM)®smpr_fi_mac® Wrote: I need a better method to sand round overs on plywood than with folded-over paper.

I'm thinking sanding sponges.  If so, which one?

If not, then what?

Flap sander or mop sander. 
I put one in my drill press, run it at 1800 or so and it cleans up parts rapidly.
Ralph Bagnall
http://www.woodcademy.com
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#13
  Re: Your favorite sanding sponge or profile sanding technique? by ®smpr_fi_mac® (I need a better meth...)
Lee Valley makes rubber profiles that you wrap sandpaper around. Very good assortment, use mine on almost every project.

Ed
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#14
  Re: Your favorite sanding sponge or profile sanding technique? by ®smpr_fi_mac® (I need a better meth...)
(02-02-2021, 07:41 PM)®smpr_fi_mac® Wrote: I need a better method to sand round overs on plywood than with folded-over paper.

I'm thinking sanding sponges.  If so, which one?

If not, then what?

Oldest answer is a reverse profile to hold your cloth-backed paper.  As indicated, such are available as commercial products, or from your router and pine scraps. 

Sponges and mops are best for three-dimensional works like carvings and complex moldings, though I generally just burnish the latter with its own variety of shaving.
Better to follow the leader than the pack. Less to step in.
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#15
  Re: RE: Your favorite sanding sponge or profile sanding technique? by MichaelMouse ([quote='®smpr_fi_mac...)
On simple radii I still use sandpaper but put a piece of foam behind it to help it follow the contour smoothly.  On complex profiles I use abrasive foam pads.  Flap sanders would be a good approach if you have to do a lot of linear feet.  I have a shaft drive flap sander for doing moldings up to 8" wide.  I think I've used it twice.  I just haven't made as much molding as I thought I would when I bought it.  Anyone need a W&H molder with about $3K worth of knives and a flap sander?  

John
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#16
  Re: Your favorite sanding sponge or profile sanding technique? by ®smpr_fi_mac® (I need a better meth...)
Harbor Freight sanding sponges. Made in Korea. Pack of ten for a few bucks.
Fine, medium, and coarse.
Steve

Missouri






 
The Revos apparently are designed to clamp railroad ties and pull together horrifically prepared joints
WaterlooMark 02/9/2020








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#17
  Re: Your favorite sanding sponge or profile sanding technique? by ®smpr_fi_mac® (I need a better meth...)
Thanks, folks! I'll check these out.
Semper fi,
Brad

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#18
  Re: Your favorite sanding sponge or profile sanding technique? by ®smpr_fi_mac® (I need a better meth...)
For cove profiles for example, I'll take a small piece of the 2" rigid insulation board you can get at the box stores, adhere a piece of sandpaper to the profile of the workpiece itself, run the insulation board back and forth on it till I form the form the profile on that insulation board.  Boom, you now have an exact replica sanding block.  Adhere a piece of sandpaper to your newly created sanding block and there you go!  Only takes a minute or two.
"This is our chance, this our lives, this is our planet we're standing on. Use your choice, use your voice, you can save our tomorrows now." - eV
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#19
  Re: RE: Your favorite sanding sponge or profile sanding technique? by EdL (Lee Valley makes rub...)
(02-02-2021, 10:02 PM)EdL Wrote: Lee Valley makes rubber profiles that you wrap sandpaper around. Very good assortment, use mine on almost every project.

Ed

Plus #1 on the profiles, there are multuple companies that sell them cheap. They will last forever.
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#20
  Re: RE: Your favorite sanding sponge or profile sanding technique? by KLaz (For cove profiles fo...)
(02-03-2021, 04:43 PM)KLaz Wrote: For cove profiles for example, I'll take a small piece of the 2" rigid insulation board you can get at the box stores, adhere a piece of sandpaper to the profile of the workpiece itself, run the insulation board back and forth on it till I form the form the profile on that insulation board.  Boom, you now have an exact replica sanding block.  Adhere a piece of sandpaper to your newly created sanding block and there you go!  Only takes a minute or two.

That's brilliant.   Yes
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