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Board shifts in planer

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Forum topic by DetroitReds posted 08-06-2010 02:39 PM 1063 views 0 times favorited 8 replies Add to Favorites Watch
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DetroitReds

14 posts in 2314 days


08-06-2010 02:39 PM

Topic tags/keywords: planer

Hello,
Newbie here, first post.
I recently picked up a used Dewalt 735. It works like a charm (though I need to replace the blades). One question I have is that when I plane short wide boards (12’x16’ish) I notice that the wood doesn’t feed straight through- it starts to rotate, usually twisting counterclockwise. I try to feed it as straight as possible and even hold on for a second as the rollers grab on, but it happens almost every time. I’m wondering if it has something to do with weird grain direction. Is this a problem? User error?
Thanks for the help…


8 replies so far

View TomHintz's profile

TomHintz

207 posts in 2861 days


#1 posted 08-06-2010 02:51 PM

You just can never be totaly sure about what grain is going to do. However, the first thing I wojuld do is to wax the tables to be sure there is not an uneven drag there. A little spot of resin could make the wood turn.

-- Tom Hintz, www.newwoodworker.com

View Raftermonkey's profile

Raftermonkey

560 posts in 2376 days


#2 posted 08-06-2010 03:08 PM

What Tom said. Also, I’m not sure but I would think uneven wear on the blades may cause this. Us being creatures of habit, maybe the person who had it before you fed through one side more than the other. I guess the rollers could be worn too. I would also check the height on each side when you move it up and down to ensure that they are dead on. I could be completely off base here, just throwing out what my simple mind could come up with. Good luck.

-- -Zeke- "I hate to rush off, but I gotta go see a man about a log"

View richgreer's profile

richgreer

4541 posts in 2538 days


#3 posted 08-06-2010 03:38 PM

I also think this has something to do with uneven wear on the blades. You’ve said that you need to replace the blades. I recommend you do that and see if the problem goes away.

FYI – When using the planer I like to move the pieces around and/or run them at an angle on the input side to get relatively even wear on the blades.

-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

View SnowyRiver's profile

SnowyRiver

51452 posts in 2944 days


#4 posted 08-06-2010 07:39 PM

I have a 735 which I bought new. It does this from time to time. I think when it first grabs the board if the knives hit a hard spot in the wood, a knot, or some cross grain, it sometimes pulls it crooked. It still planes it ok so I dont worry about it. I have had it do this with a long board too sometimes.

-- Wayne - Plymouth MN

View Gene Howe's profile

Gene Howe

8251 posts in 2892 days


#5 posted 08-06-2010 08:21 PM

Mine does that, too. I’ve even fed it at an opposite angle. It just moves the board where it likes it, anyway.
Sharpening helps….for a while. Don’t worry too much. It’s still doing the job, albeit at an angle.

-- 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 RONFINCH's profile

RONFINCH

143 posts in 2388 days


#6 posted 08-06-2010 08:47 PM

The 735’s blades are double sided, remove the top and just flip your blades. If the other side of the blades are dull, they are not all THAT expensive to replace. Clean your rollers and wax your table….. should do the trick.

View Nomad62's profile

Nomad62

726 posts in 2421 days


#7 posted 08-07-2010 12:29 AM

You need to ensure the bottom of the wood is truly flat, a planer cannot work correctly unless the wood base is true to the table. If you can’t get it flat, flip the wood over between planings and that will help.

-- Power tools put us ahead of the monkeys

View juniorjock's profile

juniorjock

1930 posts in 3229 days


#8 posted 08-07-2010 02:47 AM

Try cleaning the rollers. I just use a micro-fiber cloth ever so often. Makes a world of difference. Of course, unplug the thing first and then raise it up so you can get to the rollers. You may have to plug it back up and punch the button to get the rollers to turn so you can clean them all. This works, trust me.

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