scratch and wet belt sander - WarmGlass.com

scratch and wet belt sander

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vblue
Posts: 98
Joined: Sun Mar 09, 2003 11:05 pm
Location: Texas

scratch and wet belt sander

Postby vblue » Wed Aug 27, 2014 11:56 pm

I did a "flip and fire" on an 8" x 8" piece. When I took it out of the kiln, I found a scratch that I can feel with my finger nail.

I have access to a large wet belt sander with the various grits of belts. Can I use this to buff out the scratch...knowing I need to work the whole surface? Then fire polish?

Thanks,
Vernelle

charlie
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Re: scratch and wet belt sander

Postby charlie » Thu Aug 28, 2014 1:12 am

why can't you just do a full fire? that would also remove the scratch. you may need to dam it if it's thicker than 1/4" so it doesn't spread, but the colors won't move like they would have if it was still in pieces.

vblue
Posts: 98
Joined: Sun Mar 09, 2003 11:05 pm
Location: Texas

Re: scratch and wet belt sander

Postby vblue » Thu Aug 28, 2014 1:58 am

Thanks Charlie. I wasn't sure refiring would work or not. Will refire tomorrow.

Tony Smith
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Re: scratch and wet belt sander

Postby Tony Smith » Thu Aug 28, 2014 6:16 am

Where did the scratch come from? Most scratches don't survive a fuse firing.

Is there a ridge in your shelf or kilnwash? You don't want to refire only to discover the scratch has moved to a different spot.

Tony
The tightrope between being strange and being creative is too narrow to walk without occasionally landing on both sides..." Scott Berkun

vblue
Posts: 98
Joined: Sun Mar 09, 2003 11:05 pm
Location: Texas

Re: scratch and wet belt sander

Postby vblue » Thu Aug 28, 2014 6:55 pm

Tony,
My kiln shelf is clean, smooth. I fired on thin fire.

Only thing I can think of is maybe there was a tiny shard of glass on my work table where I put the piece to clean it.

Vernelle

Marian
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Re: scratch and wet belt sander

Postby Marian » Thu Sep 18, 2014 4:27 am

The belt sander is impossible to use for a wide flat surface. It has a drum that the belt rides against. It will do edges. Refiring is definitely the best, easiest idea.

Marty
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Re: scratch and wet belt sander

Postby Marty » Fri Sep 19, 2014 10:39 am

Marian wrote:The belt sander is impossible to use for a wide flat surface. It has a drum that the belt rides against. It will do edges. Refiring is definitely the best, easiest idea.


You can get (or make) a flat platen that backs the belt's work area- it's for doing flat surfaces or edges.


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