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jointer questions??

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Forum topic by jdejong posted 03-14-2013 06:45 PM 599 views 0 times favorited 3 replies Add to Favorites Watch
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jdejong

5 posts in 1657 days


03-14-2013 06:45 PM

Hey fellas I’m new here and I’ve got a Jointer question…...I recently purchased a used 6”powermatic jointer and it seems to leave a slight belly in my cuts somewhere between a 32nd and a 64th…justwondering what is causing this …knives not adjusted correctly or table not co-plainer….thanks a bunch


3 replies so far

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RockyTopScott

1186 posts in 3234 days


#1 posted 03-14-2013 06:59 PM

sounds like a chip in your knives or they are not set up correctly.

I would take them out and then tune up your jointer

-- “When you want to help people, you tell them the truth. When you want to help yourself, you tell them what they want to hear.” ― Thomas Sowell

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jdejong

5 posts in 1657 days


#2 posted 03-14-2013 07:47 PM

Im fairly certain the knives are correctly set the cut is smooth and square to the face of the boards…The problem occurs in the cemter of the jointed surface…its more like the ends get tappered in…I never checked the tables for co-plainer…I’ve also never shimmed a jointer before. A tune up couldn’t hurt ..I’ll post a picture layer on….thank you for the input!

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runswithscissors

2501 posts in 1781 days


#3 posted 03-14-2013 07:52 PM

In tuning your jointer for coplanarity, try adjusting the gib screws on the dovetailed ways first. You may not need to shim.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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