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Ridgid TP1300 planer and surface inconsistencies

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Forum topic by athomas5009 posted 09-02-2015 02:21 PM 660 views 0 times favorited 9 replies Add to Favorites Watch
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athomas5009

293 posts in 1077 days


09-02-2015 02:21 PM

Topic tags/keywords: tip question planer milling joining

Alright to make a long story short I recently had a little trouble with some end grain cutting boards. This really bothered me because I have a decent amount of experience and shouldn’t have had any issues. I narrowed the problem down to my planer giving an inconsistent surface. Basically the strips I cut were .05 thicker in the middle than at each end. And no I didn’t caliper the snipe.

So I took off my planer sled/aux surface and releveled the beds made sure the sled supports were evenly supported and level with the beds. I then ran 2 scraps threw with 3 passes on each side and measured them with calipers in 6 spots. One board came out at .95 in all 6 spots and the other at .97 . Seems like an improvement because both boards were consistent throughout but still a lil puzzling because of the .02 thickness between them.

Is this acceptable for planer tolerances? my next step is to change and adjust the knives but I’m unsure on what’s an acceptable tolerance?

Can a few of you thickness a cpl scraps and measure them in 2-3 spots on each side and post your results?

I’d appreciate the help on getting to the bottom of this.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.


9 replies so far

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HokieKen

1735 posts in 598 days


#1 posted 09-02-2015 07:33 PM

What kind of wood were the scraps? I don’t know for sure but I would think that grain density/structure would come into play to some extent. A softwood like pine may compress more under the roller’s pressure than a harder wood like maple. Just a thought. I’ll try and thickness a few pieces of a few different types of wood in the next couple of days and report back.

-- Kenny, SW VA, Go Hokies!!!

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athomas5009

293 posts in 1077 days


#2 posted 09-02-2015 08:04 PM

They were walnut so any moderately hard hardwood should do.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

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athomas5009

293 posts in 1077 days


#3 posted 09-03-2015 03:24 AM

Ok only one volunteer to plane a few scraps and measure them with calipers?

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

View TheFridge's profile

TheFridge

5764 posts in 945 days


#4 posted 09-03-2015 04:24 AM

.02 is way too much for me. I can get consistent plus minus .002-3 on my dw735.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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athomas5009

293 posts in 1077 days


#5 posted 09-03-2015 01:16 PM

That what I was thinking just because table saw tolerances are .005 or better.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

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HokieKen

1735 posts in 598 days


#6 posted 09-03-2015 01:21 PM



.02 is way too much for me. I can get consistent plus minus .002-3 on my dw735.

- TheFridge

I know with my Delta, I get that kind of consistency on a single board. I’ve never measured 2 boards to see if there’s any difference between them.

I didn’t get any shop time last night but I’ll try to get a couple boards done this evening.

athomas, I had another thought on this last night though. Does your aux. bed go through the planer or is it just infeed/outfeed support? If it goes through the planer, you might try taking it out of the equation and just run a couple boards across the planer bed to see if you get the same results. Also, did you run the 2 boards separately? I wonder if you get differences in thickness if you “train” the boards and run them end-to-end. And finally, what if you run the boards side-by-side at the same time?

-- Kenny, SW VA, Go Hokies!!!

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athomas5009

293 posts in 1077 days


#7 posted 09-04-2015 05:42 PM

My auxiliary surface is (2) pieces of 3/4”x13×96” BB ply with 1/8” hardboard on each side. It goes right threw the planer over the provided bed. I’m glad you mentioned this because it was never a thought and is something that is quickly checked.

I have a real good hunch changing the blades, cleaning the head and setting new ones accurately will take care of the problem. I should have changed them back in winter/spring but put it off out of laziness. Also I’ve had a cpl knots/chunks break off inside which could have knocked the blades out of alignment just enough.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

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HokieKen

1735 posts in 598 days


#8 posted 09-04-2015 05:49 PM

Yep, I’d definitely do some investigating/tuning. I planed a couple of boards last night to check and had less than .006 difference between the two (ignoring snipe). The boards were both 3/4” SYP about 18”X4” so it’s a bit softer than your Walnut but I can’t think that really had any effect. If anything, I’d think a hardwood with denser grain would hold better than softwoods. I took 2 passes off the same side around 1/16” each.

Hope you get it sorted out and please let us know what the culprit was!

-- Kenny, SW VA, Go Hokies!!!

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TheFridge

5764 posts in 945 days


#9 posted 09-04-2015 05:55 PM

.005 is the difference between a loose and tight joint. Your fingers can feel .005. So that’s the tolerance I shoot for in my machines.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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