Problem with Jointer - Woodworking Talk - Woodworkers Forum
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post #1 of 5 Old 11-14-2019, 09:19 PM Thread Starter
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Problem with Jointer

Howdy Folks--Chris from Philly

I have a jointer, Ridgid but I don't think it matters.

I am trying to install new knives but my son fooled with the both the infeed and outfeed tables and moved them all around.

It appears as if aligning the new knives requires the outfeed table to be set where you need to have it in order to get the knives just right.

My problem is that I don't know where to set the outfeed table perfectly so I can then set up the knives.

If ANYONE has any ideas or pointers I would be most appreciative. I have a good jig to set the knives I just need to figure out how to set the outfeed.

THANX
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post #2 of 5 Old 11-15-2019, 06:05 AM
where's my table saw?
 
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OK, from memory ......

I remember reading the outfeed table should be roughly 3/16" above the cutter head. That will allow the knives enough room to project out of the cutter head the proper amount. You may want to check this dimension on You Tube jointer set up videos, but that's what I remember.

http://vintagemachinery.org/files/PD...nterKnives.pdf


https://cdn0.grizzly.com/manuals/g0814_m.pdf


The cutter head and the outfeed table are parallel of course and the knives must be registered off the outfeed table for height. A large speaker magnet is a favorite method of holding them while setting the height adjustment screws in the cutter head. If you don't have one, then the rare earth magnets recessed and epoxied into 2 wood strips will work also.


It really doesn't matter where the outfeed table is set, IF you use a cutterhead jig. The blades then should project 3/16" or 5 mm out of the head.


I have some setup jigs that ride/register off the cutter head with magnets that hold the blades. I believe the factory jig is a simple 2 footed gizmo that straddles the blade opening with an adjustment screw for the height right above the blade slot.



https://www.finewoodworking.com/2005...fe-setting-jig


https://www.google.com/search?q=join...w=1910&bih=937

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 11-15-2019 at 06:35 AM.
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post #3 of 5 Old 11-15-2019, 11:59 AM
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I have always set the outfeed bed exactly equal with the top of the knives - always. And I don't think I've ever seen any recommended setup procedure showing otherwise. Anyway, my jointer cuts perfectly and is set this way, fwiw.

David

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post #4 of 5 Old 11-15-2019, 12:04 PM
where's my table saw?
 
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Exactlly!

Quote:
Originally Posted by difalkner View Post
I have always set the outfeed bed exactly equal with the top of the knives - always. And I don't think I've ever seen any recommended setup procedure showing otherwise. Anyway, my jointer cuts perfectly and is set this way, fwiw.

David

However in this case, he's installing the knives and forgot to check their projection height before removing them ... IF I'm reading the post correctly? AND the outfeed table height has been messed with ....



I used the 3/16" dimension for registering a set up gauge off the outfeed table as is a common method of setting the knifes parallel and projection height. HOWEVER, the other method does NOT use the outfeed table to set the knives, but a instead a gauge that registers off the cutterhead. I've used both methods and they work just fine.



That means nothing is where it should be at this point. Yes, after all the knives are installed the outfeed table is set level across the top of the knives at the top of their rotation as you stated.
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The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 11-15-2019 at 12:08 PM.
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post #5 of 5 Old 11-16-2019, 11:49 AM Thread Starter
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thanx

Thanx guys, I appreciate the feedback and links. Gonna work on it today, will give an update later.
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