jointer technique question

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Forum topic by mstenner posted 11-01-2010 02:19 PM 2115 views 1 time favorited 8 replies Add to Favorites Watch
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57 posts in 3180 days

11-01-2010 02:19 PM

Topic tags/keywords: jointer milling

I just got my first jointer (a Jet JJP-12HH, first planer too, for that matter) and am so far pleased. I’ll post a review after a bit more time with it. I have a technique question, though. I’m sure I have the basic technique down, but I suspect I’m doing something a bit wrong.

When face-jointing, I get a “bump” about 8 inches back from the leading edge of the board. I suspect it happens when I perform a less-than-perfect hand-off from pressure on the infeed side to the outfeed side. On one board, I tried running it through in both directions, which worked, but clearly isn’t a good idea with less friendly grain orientation.

Do others get this bump? Is there a trick to how you do your “hand-off”?

-- -Michael

8 replies so far

View snowdog's profile


1164 posts in 4009 days

#1 posted 11-01-2010 02:25 PM

Are you talking about “snipe”? If you are then yes many of us have the problem :)
Take a look at this post:

-- "so much to learn and so little time"..

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57 posts in 3180 days

#2 posted 11-01-2010 02:38 PM

snowdog: no, it’s not really snipe. First, this is a jointer, not a planer (well, the machine is both, but I’m using it in jointer-mode). Second, it’s not a too-deep cut for the first couple inches. It’s a too-shallow cut from inch-8 to inch-12 or so.

BoiseJoe: I might be applying pressure too near the blades. There’s a guard directly over them, but I am applying pressure a couple inches away (on the infeed side first, then switching to outfeed). Should I not apply pressure so close? I’m pretty sure the outfeed table is not too high. I tuned it so that a straightedge on the outfeed table just barely touches the blade (I can hear the “whisk-whisk” sound, but it doesn’t lift the straightedge).

-- -Michael

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57 posts in 3180 days

#3 posted 11-01-2010 02:48 PM

BoiseJoe: Thanks, I’ll give it a shot. I’m slightly dubious that the particular alignment you describe (relative height of cutter and outfeed table) can remain dead-on when switching back and forth between modes. So it’s possible that it’s shifted a bit. Since this is the first time I’ve tuned a jointer, it’s also possible I just screwed it up!

-- -Michael

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57 posts in 3180 days

#4 posted 11-01-2010 02:56 PM

Well, I just had the thing shipped across the country and slid down the steps into my basement, so I wasn’t shocked that it needed a little love!

-- -Michael

View Gene Howe's profile

Gene Howe

10540 posts in 3455 days

#5 posted 11-01-2010 03:24 PM

My technique is to only apply enough pressure on the infeed end to keep it against the fence and on the table. That way when I switch to the outfeed end, there a less abrupt change of pressure.
Caveat: the outfeed table must be dead on even with the cutters. Mine is fixed, so I don’t have that adjustment to worry about.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View Lochlainn1066's profile


138 posts in 2803 days

#6 posted 11-02-2010 08:48 PM

I’m tossing around the idea of selling my jointer. I can’t use the thing worth spit. I’m faster with hand planes. I can’t get it set accurately for some reason and it always ends up bowing the board across either width or length and I sure can’t get rid of twist. I only make it worse.

With a #5 jack and a scrub plane I can do it faster, quieter, and get a workout.

Lest I sound like a hand tool snob, you can pry my cheapie Delta 12” planer from my cold, dead hands. Or unless you trade me for a bigger one! :)

-- Nate,

View Cato's profile


701 posts in 3339 days

#7 posted 11-03-2010 12:47 AM

Charles Neil has a very good you tube video for techniques on the jointer. i watched it twice and then I had it down pretty well. Let the jointer do the work and don’t overly apply pressure.

After I get a few inches of board past the cutter head of the jointer I apply pressure only to the outfeed table and drag the remainder of the board over the cutter head. Gradually with more passes it will begin to cut the entire length.

I like using the jointer and watching it straighten and flatten a board.

View Camper's profile


232 posts in 2882 days

#8 posted 11-03-2010 01:37 AM

hi, i recently got a used jointer (my first one) and a fellow LJ sent me this link which I think is one of the better publications out there talking about jointing techniques. Do not let the fact that its for a very old craftsman jointer turn you off. The techniques are applicable across the board and I think I learnt a great deal from it. Hope it helps.

-- Tampa-FL

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