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post #1 of 7 Old 06-22-2013, 10:34 AM Thread Starter
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Tear Out

I am working with knotty pine, trying to make a small box with finger joints. The problem is the dado blade is tearing out chunks of stock. See my illustration. I tried scoring a line with a blade but it does not seem to make a difference. Any suggestions on how to alleviate this problem? Thanks in advance.

Tear Out-image-2276537167.jpg
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post #2 of 7 Old 06-22-2013, 10:50 AM
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You could always put a scrap piece in front of the stock and give that a shot, should eliminate the tear out. I use a scrap on my jig for the router table and it works out good.
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post #3 of 7 Old 06-22-2013, 12:43 PM
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With a dado you want the "back-up" scrap in back of the work as you push it through to eliminate tear-out.
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post #4 of 7 Old 06-22-2013, 01:09 PM
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Quote:
Originally Posted by bzguy View Post
With a dado you want the "back-up" scrap in back of the work as you push it through to eliminate tear-out.
+1. For either on a TS or a router table.







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post #5 of 7 Old 06-23-2013, 07:40 AM
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Sorry, I forgot to mention that part of the equation. When you get old, your memory comes and goes....
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post #6 of 7 Old 06-24-2013, 10:32 AM
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Are you familiar with Incra Tools?

Check out this video on making finger joints.

I always use a piece of scrap to back up my work on both the router table and cabinet saw.

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If you cannot find time to do it right the first time, how will you find the time to do it over?
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post #7 of 7 Old 06-27-2013, 10:23 PM
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Do not suppose sneaking up on your final depth would make a diffrence ? Probably not.
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