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post #1 of 18 Old 02-01-2010, 08:08 AM Thread Starter
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Working with MDF

I am going to build some cabinets under my bench and thought I might try using MDF. Can you use a jointer on it?
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post #2 of 18 Old 02-01-2010, 08:13 AM
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You can but I can't imagine why you would want to.

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post #3 of 18 Old 02-01-2010, 08:17 AM Thread Starter
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I've never worked with MDF and I figured you might need to true up some edges for joining. I've been told that some of that particle board stuff is very hard on blades.
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post #4 of 18 Old 02-01-2010, 08:24 AM
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"Particle board" and MDF are totally different. My suggestion if you have to true up an edge on MDF would be to use a straight edge and a router, or set up a table router as a jointer.






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post #5 of 18 Old 02-01-2010, 08:27 AM Thread Starter
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Heck, I thought MDF and partical board was the same thing.
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post #6 of 18 Old 02-01-2010, 11:44 AM
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MDF is a MUCH finer material to work with than particle board. (MDF in front)



(and I know it's bad taste to attach images from image shack and the like, could someone please direct me to the thread here on WWT so I can figure out the proper way to do it? thanks!

Last edited by jacobsk; 02-01-2010 at 11:46 AM. Reason: clarification and apology for improper image hosting
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post #7 of 18 Old 02-01-2010, 12:12 PM
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With a good sharp blade and a well tuned table saw, you won't need the jointer. You can use one if you really want to, but you won't.

Red

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post #8 of 18 Old 02-01-2010, 01:15 PM
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Quote:
Originally Posted by splinter View Post
I've been told that some of that particle board stuff is very hard on blades.
I don't think MDF should cause any problems with your blades. At least I've never run into any issues. It cuts and takes a shape nicely.

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post #9 of 18 Old 02-01-2010, 02:55 PM
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I don't think MDF should cause any problems with your blades. At least I've never run into any issues. It cuts and takes a shape nicely.
While it does machine nicely, it is known for wearing your blades & bits faster than wood. There is small metal fragments in the stuff from nails & such during the processing stage. Wear a dust mask when cutting this stuff. Not good for the lungs.

James
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post #10 of 18 Old 02-01-2010, 03:02 PM
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Quote:
Originally Posted by splinter View Post
I am going to build some cabinets under my bench and thought I might try using MDF. Can you use a jointer on it?
I would not bother to use a jointer to build the cabinets under your bench. Just cut your pieces to size on the table saw with a decent blade & that should work fine without all the unnecessary steps.

James
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post #11 of 18 Old 02-01-2010, 06:04 PM Thread Starter
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Thanks for the information guys. I'll probably start on it sometime next week.
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post #12 of 18 Old 02-02-2010, 05:33 AM
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And instead of using spackling or other fillers on the edges, I use iron on veneer tape.
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post #13 of 18 Old 02-02-2010, 03:31 PM
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Say Splinter
MDF takes a side impact real good but not so good on edges. so use the meat of the source to nail or screw to. I usually take and face frame the edges with popular or pine to hold hardware and never screw into edges always hold from the side.
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post #14 of 18 Old 02-02-2010, 07:13 PM
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Hey All

All MDFs are not equal. Have built several built-in bookcases and entertainment centers. The MDF from Home-Depot is very nasty stuff to work with,I get it from Lowe's better but not much.
Dave
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post #15 of 18 Old 02-03-2010, 08:59 AM
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Table saw will give a nice edge !!
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post #16 of 18 Old 02-03-2010, 09:13 AM
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With a good sharp blade and a well tuned table saw, you won't need the jointer. You can use one if you really want to, but you won't.

Red

A table saw can be used if you have one good edge to start with. Or, using a straightedge attached to the MDF to create the good edge.






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post #17 of 18 Old 02-03-2010, 05:37 PM
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While it does machine nicely, it is known for wearing your blades & bits faster than wood. There is small metal fragments in the stuff from nails & such during the processing stage. Wear a dust mask when cutting this stuff. Not good for the lungs.
Where do the nails and metal come from....

Timber... or is mdf made from recycled construction lumber or something...

just curious....
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post #18 of 18 Old 02-04-2010, 03:46 AM
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A salesman had mentioned that to me awhile ago. I didn't know for sure because I haven't seen any. But I have seen small sparks come from material while on the table saw a couple of times. So I guess I will take his word for it. I have also heard that from other woodworkers in conversations. It does have some recycled wood waste material in the manufacturing.
Today many MDF boards are made from a variety of materials. These include other woods, scrap, recycled paper, bamboo, carbon fibers and polymers, steel, glass, forest thinning and sawmill off-cuts.

http://en.wikipedia.org/wiki/Medium-density_fibreboard

http://sres-associated.anu.edu.au/fp...nufacture.html

James
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