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post #1 of 11 (permalink) Old 01-05-2015, 08:50 PM Thread Starter
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Default Jointer Problems

I have an old Craftsman 6 inch jointer and I have put in new blades and I believe I have set them correctly. However, when I joint a 6 inch wide piece of cherry wood I find that I am removing stock near the feed end but none from the back. Therefore, the first 6" to a foot is getting noticeably narrower but I am taking very little to no stock off the remaining four feet or so. I am putting downward pressure on the outfeed table side. You can hear the jointer removing the wood from the first foot or so but then it goes pretty silent.

Is this a question of the blades not being set properly?

Thanks for any advice or information.

Jim
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post #2 of 11 (permalink) Old 01-05-2015, 08:57 PM
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Beds not co planer?
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post #3 of 11 (permalink) Old 01-05-2015, 09:30 PM Thread Starter
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Beds not co-planer? Doesn't the infeed table sit slightly lower than the outfeed table and is adjustable? Do you mean one bed is tilted slight right and the other slightly left?
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post #4 of 11 (permalink) Old 01-05-2015, 09:52 PM Thread Starter
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Wait a minute, I am beginning to see the light! So my outfeed bed may be dropping down at at 45 degree angle vs. the infeed bed. Ok, very, very highly exaggerated but it helps me see the picture. That would explain why when I press down it raises the rear end of the board off the blades.
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post #5 of 11 (permalink) Old 01-05-2015, 10:38 PM
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It's possible. Raise the infeed level with the out feed and see if a straight edge sits flat the entire length.

It's also possible the out feed is set wrong. If you slid a piece of wood backwards from the out feed side it should just ever so barely (I can't stress barely enough) make enough contact with the cutters to make noise and very little pull on the board.

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 #6 of 11 (permalink) Old 01-06-2015, 06:07 AM
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Follow Charles advice,both pieces,gotta be one or the other.if you did not have the problem before changing knives,Charles has a stronge case with the out feed table set incorrectly
Good luck and let us know how you make out
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post #7 of 11 (permalink) Old 01-06-2015, 08:13 AM
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you mentioned changing knives, they should be aligned with outfeed table not both tables as with a planer
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post #8 of 11 (permalink) Old 01-06-2015, 10:12 AM
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I have a 6" Reliant jointer and it is/was slightly not co planer, I could slide a piece of paper under the in feed side a bout half the length of the in feed table. I helped it a bit but could not remove it entirely by adding shims between the table an the rail at the end of it.

My 1st and only jointer, inexpensive and not well made but it works well enough.

If you don't have a reliable long straight edge, something you might try is to keep pressure only on the infeed table run an item 2/3 through, shut the jointer off, keep pressure on the item infeed side then see if you can slide a sheet of paper, step flashing or feeler gauge under the far end of the item.

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post #9 of 11 (permalink) Old 01-06-2015, 11:06 AM
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I have the same problem, but only on longer boards. My jointer is a 6'' model with a 53'' total table length. On shorter stock that fits on the infeed table, I get no taper.

I checked my jointer very carefully. I used a starett 4' rule. The tables are coplanar.

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post #10 of 11 (permalink) Old 01-06-2015, 03:29 PM
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Jointer, the most dangerous tool in the work shop.
See my signature.

Coplaner:
Set the infeed and outfeed the same height.
A straight edge that is placed on both would have no gaps no matter how it is oriented to the tables. Especially look at the diagonal orientations.

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