Dewalt Planer & MDF?

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Forum topic by davebatt posted 04-12-2008 03:37 AM 2527 views 0 times favorited 10 replies Add to Favorites Watch
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12 posts in 4051 days

04-12-2008 03:37 AM

I’ve got a Dewalt DW735 planer that I’m considering using to plane down a raised panel made from MDF. Does anyone know if this is OK? Don’t want to screw up my new planer.


10 replies so far

View brianinpa's profile


1812 posts in 3962 days

#1 posted 04-12-2008 03:44 AM

I would think that the MDF would not hurt the planer, but rather the planer will put an end to the MDF.

-- Brian, Lebanon PA, If you aren’t having fun doing it, find something else to do.

View Sawdust2's profile


1466 posts in 4327 days

#2 posted 04-12-2008 03:55 AM

That makes two of us.


-- No piece is cut too short. It was meant for a smaller project.

View davebatt's profile


12 posts in 4051 days

#3 posted 04-12-2008 03:59 AM

Thanks. I’ll most likely get a raised panel bit with a back cutter, but don’t want to wait.

View DanM's profile


90 posts in 3948 days

#4 posted 04-12-2008 04:23 AM

I’ve heard it’s bad to run MDF through a jointer (bad for the knives). Is this the case, and if so, wouldn’t a planer suffer the same sort of damage?


View DavidFisher's profile


80 posts in 3936 days

#5 posted 04-12-2008 05:22 AM

I’m with DanM on this one. I don’t remember the source, but I do remember reading that planers don’t really like mdf. I would try it with a very light pass if you really wanted to try it.

View GaryK's profile


10262 posts in 4227 days

#6 posted 04-12-2008 05:23 AM

It won’t damage it, but it will dull the blades. A dust collector is a must if you plane MDF.

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View Dorje's profile


1763 posts in 4236 days

#7 posted 04-12-2008 07:41 AM

mdf is more abrasive than wood…

-- Dorje (pronounced "door-jay"), Seattle, WA

View motthunter's profile


2141 posts in 4038 days

#8 posted 04-12-2008 12:56 PM

try it and let us know. just avoid breathing the dust

-- making sawdust....

View Moron's profile


5032 posts in 4133 days

#9 posted 04-12-2008 01:02 PM

I would shoot anyone who dared shove MDF through my planer

-- "Good artists borrow, great artists steal”…..Picasso

View Doug S.'s profile

Doug S.

295 posts in 3947 days

#10 posted 04-12-2008 01:32 PM

It will work but like already mentioned, it will dull the knives. I did it on some narrow strips to shim around a machine inside a mobile base. It worked fine. No problem with the planer blades but I was only doing about 6 ft total. I wouldn’t want to do much of it.

-- Use the fence Luke

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