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Which table saw blade (Read 416 times)
 
robo_hippy
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Eugene, OR, USA
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Re: Which table saw blade
Reply #15 - Jun 5th, 2020 at 9:48am
 
Yea, where is it tearing out? With a cross cut sled, you want zero clearance for the blade, and zero clearance on the back side of the cut/in the vertical part of the fence. I would guess that for segmenting, most of the back side of the tear out would be turned off, so maybe not a big issue.

robo hippy
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Robert Evans
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HOSCHTON, Georgia
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Re: Which table saw blade
Reply #16 - Jun 5th, 2020 at 10:13am
 
The tearout is on the back side of the segment.  It's turning off so it's not a finishing issue.  The problem is that when gluing up the rings, any sliver of tearout could affect the segments closing to make a perfect ring.  There can be no gaps between the segments and a single misplaced sliver of wood can cause problems.

It appears that this is mostly on maple.  I don't have nearly as much trouble with walnut or cherry. 

I use the wedgie sled and there is no support on the back of the segment when cutting.  It's just hanging off the side of the sled.  The only support is on the longer stick of wood on the wedgie sled.

Sanding 100's of little pieces of wood gets monotonous but I guess that's part of the game.
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Ed Weber
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Wilton, California, USA
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Re: Which table saw blade
Reply #17 - Jun 5th, 2020 at 11:19am
 
Robert Evans wrote on Jun 5th, 2020 at 10:13am:
I use the wedgie sled and there is no support on the back of the segment when cutting.

Well, there's your problem.

Having a fence that spans the blade, supporting both the stock and the cut segment will usually eliminate any blow out on the back side.
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Don Stephan
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Cincinnati, Ohio, Ohio, USA
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Re: Which table saw blade
Reply #18 - Jun 5th, 2020 at 7:14pm
 
Sometimes a tight wrap or two of 3M blue masking tape will reduce chipping.
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robo_hippy
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Eugene, OR, USA
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Re: Which table saw blade
Reply #19 - Jun 6th, 2020 at 10:29am
 
Some times pushing the piece through the cut at a slower speed can reduce tear out. Not so slow that you burn the wood though...

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