All Replies on PLANNER issues

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View richardchaos's profile

PLANNER issues

by richardchaos
posted 08-29-2017 03:04 PM

6 replies so far

View JCamp's profile


818 posts in 694 days

#1 posted 08-29-2017 03:08 PM

how thick is the lumber that is cupped?
Did you mean a “Dewalt” planer or is “Desalt” a name brand too?

-- Whatsoever thy hand findeth to do, do it with all thy might

View bbasiaga's profile


1240 posts in 2139 days

#2 posted 08-29-2017 03:09 PM

You could try putting the concave side up, then shim under the outside edges along the length of the board on both sides to prevent them from flexing down under the pressure from the rollers.


-- Part of engineering is to know when to put your calculator down and pick up your tools.

View pintodeluxe's profile


5757 posts in 2957 days

#3 posted 08-29-2017 03:10 PM

Yes, it’s true a planer won’t make a board flat. It only makes it thinner.
You will need a jointer to make one face flat, and one edge square. Then you can move on to the planner.

If you don’t have access to a jointer there are workarounds like a planer sled, and tons of info exists on that topic.
My preference is to use a jointer for its intended purpose.

Good luck with it.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View splintergroup's profile


2304 posts in 1366 days

#4 posted 08-29-2017 03:26 PM

I do what Brian says, concave side toward the blades and shims along the edge.

View Loren's profile


10477 posts in 3791 days

#5 posted 08-29-2017 03:41 PM

You can tape or hot glue shims under the cup.

You can rip the cupped board in half before

You can remove the cup from one face of the
board using a hand plane.

View tomsteve's profile


824 posts in 1363 days

#6 posted 08-29-2017 04:44 PM

find someone local with a jointer.

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