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post #1 of 5 (permalink) Old 04-12-2016, 03:10 PM Thread Starter
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I am using a 1/2" cove bit in my table with a hardwood face on the fence to create a zero clearance profile, so there is no dipping towards the bit. I am cutting a profile round the top of a piece of 3/4"x2 1/2"x5" oak. Each one I make, the measurement across the piece between the top edges of the profiles is 1/16" different from one end of the piece to the other. Stand alone, not worth worrying about but when another piece 1/8" smaller all round is mounted on top it's noticeable Solutions anybody ? Oldrusty
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post #2 of 5 (permalink) Old 04-12-2016, 03:18 PM
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are your pieces square??
are you using a bearing guided bit???
vertical cut or horizontal...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #3 of 5 (permalink) Old 04-12-2016, 03:26 PM
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If the pieces start out square but don't stay that way then you have to be cutting off some of the wood that registers against the fence.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #4 of 5 (permalink) Old 04-12-2016, 03:54 PM
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As has been said, I don't think your two long edges are parallel to each other. Make sure your piece is square, then after your rout, measure again and compare.

Some folks call me Vince - other folks call me...........
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post #5 of 5 (permalink) Old 04-12-2016, 05:38 PM Thread Starter
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Sorry folks, forget this thread. " I goofed. " The slightly slanting grain on the piece in question gave an optical illusion that it was not square. In a better light when I placed the next block on top of it I could see that the spacing was even all the way round. Oldrusty.
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