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Bought an 8" jointer, and I'm getting odd shapes out

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Forum topic by hadcarryer posted 04-21-2010 03:52 PM 810 views 0 times favorited 1 reply Add to Favorites Watch
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hadcarryer

1 post in 2425 days


04-21-2010 03:52 PM

Topic tags/keywords: question

The old craftsman 6” is on Craig’s list now and the Grizzly G0586 is all hooked up. My “all in one” says the knives are all within .002 (improvable but should work) and the in table is dead on with the out. I have a 48” straight edge that shows a little light, but a >002 feeler guage won’t go under.

I make boards that are trapezoid across the width, and I can saw a straighter glue line. The machine height is a little lower and I get a better stance. I’m working hard to keep even pressure through out the pass…

After 20 years of doing this I think I’m suddenly brain dead . What’s wrong ?


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Michael Murphy

452 posts in 2473 days


#1 posted 04-21-2010 05:56 PM

You are edge jointing a board and the edge does not come out straight? The outfeed table needs to be even with the tops of the knives and the infeed table lower by whatever amount you want to joint off. The edge should come out straight. It’s going to be tough to make two edges parallel using a jointer. Joint one edge and rip the other on the table saw, then make one light pass over the jointer to get rid of saw marks.

The usual problem is the outfeed table is either too high or too low in relation to the knives. Make sure that the in and out feed tables are also in the same plane along the length and that the fence is flat and square along it’s entire length.

-- Michael Murphy, Woodland, CA.

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