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Reply by LesB

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Posted on Planer marks

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LesB

2126 posts in 3861 days


#1 posted 10-06-2018 05:37 PM

The two problems shown are common to all planers and the second and third responses were correct for the problems you pictured..

One way to reduce the end “snipe” is to lift up slightly on the board just before it leaves the planer. Part of what is happening is there there is a pressure roller in front and behind the planer blade and just before the wood leaves the planer the front roller no longer contacts the wood so the last few inches have a tendency to move upward and the cutter digs in a little deeper leaving the snipe. By manually raising the outboard end of the wood you reduce this upward movement.
The next thing you may notice is fine raised lines in the planed wood. That is caused by nicks in the blades. This can usually be fixed by slightly moving one of the blades sideways a little so the nicks don’t line up with each other and are removed.
Also remember that planed wood needs to be sanded because the planer tends to compress the surface wood, especially as the blades get duller, and then the wood does not take on stain or finish as well.

-- Les B, Oregon


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