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mdf glue up

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Forum topic by Alexander posted 02-07-2010 04:07 AM 1203 views 0 times favorited 8 replies Add to Favorites Watch
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Alexander

193 posts in 2576 days


02-07-2010 04:07 AM

I bought a Pick UP load of 3/16” plywood, 3/8 MDF from a cabinet/door shop. I thought I could use the MDF for ZCI but 3/8” is not thick enough. Could I glue two together and then router to fit at the 4 level pont of the saw. My Jet saw has 4 points where the set screw in the plate makes contact with the saw and at that point is where I need to bring the thickness down OR…........I could plan the whole piece to the proper size. Suggestions???

-- John at Sugarloft Mountain........Don't argue with an idiot; people watching may not be able to tell the difference.


8 replies so far

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kolwdwrkr

2821 posts in 3055 days


#1 posted 02-07-2010 04:43 AM

MDF doesn’t expand and contract like wood does. It’s a compressed man made material. So I don’t see how it can be a problem. However, if you choose to glue them together try to maintain their flatness in the clamps for 24 hours or so to allow the moisture from the glue to go away. If you take them out of the clamps when the glue is dry, that doesn’t mean the moisture is gone, and it could cause some warping.

-- ~ Inspiring those who inspire me ~

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TopamaxSurvivor

17671 posts in 3140 days


#2 posted 02-07-2010 04:55 AM

Keith, would contact cement be better for MDF?

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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Alexander

193 posts in 2576 days


#3 posted 02-07-2010 05:08 AM

Good thought Bob. I never thought about contact cement. I don’t think I would have a moisture problem with contactg cement.

You’ll have to take a look at my pile of plywood & MDF. Maybe you can think of more things to make. Might take a few pices home with you.

-- John at Sugarloft Mountain........Don't argue with an idiot; people watching may not be able to tell the difference.

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TopamaxSurvivor

17671 posts in 3140 days


#4 posted 02-07-2010 05:33 AM

I’m trying to get my warehouse to be a shop. No room ;-)

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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a1Jim

115202 posts in 3042 days


#5 posted 02-07-2010 05:35 AM

Why not just glue some little tabs on the bottom of your ZCI and sand the tabs to the height you need.

-- http://artisticwoodstudio.com Custom furniture

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Sawkerf

1730 posts in 2533 days


#6 posted 02-07-2010 06:17 AM

I make my ZCI’s from scrap 1/2” baltic birch and pass them thru the planer to get the right thickness. That should work with an MDF glueup, but would probably wreck your planer blades.

If I just had to have MDF ZCI’s, I would probably make a dozen or so just before I changed or sharpened my planer blades.

-- Adversity doesn't build character...................it reveals it.

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Dragonsrite

136 posts in 2862 days


#7 posted 02-07-2010 06:29 AM

I would expect that planing MDF would wreak havoc on the blades. I like Jims idea of little feet.

-- Dragonsrite, Minnesota

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Alexander

193 posts in 2576 days


#8 posted 02-07-2010 06:45 AM

As to the glue, would you use contact cement or wood glue?

-- John at Sugarloft Mountain........Don't argue with an idiot; people watching may not be able to tell the difference.

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