treesner

Is plywood and glue bad for planner

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Hey guys I have a dewalt planner is it hard on the blades to run Baltic birch through it or things that are glued up?  

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Oh, yes! At least it is if you are cutting the glue lines. I once jointed the edge of a piece of BB about 3' long & it actually left the knives serrated. If you're just taking a little off the outside veneer you'll be fine. Carbide knives or segmented cutter head will stand up to that though.

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I would not do it unless it was my last option had to be done...don't suppose you have access to a belt sander? That would be a better option.

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On 6/4/2019 at 8:05 PM, krtwood said:

Plywood, no.  Regular wood glue is fine.

Why is plywood glue bad?

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2 hours ago, treesner said:

Why is plywood glue bad?

It's just really hard, from what I understand.  

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10 hours ago, treesner said:

Why is plywood glue bad?

Something about the resins in the glue is abrasive. I've never noticed PVA glue causing issues, but man, the stuff they use in plywood just eats HSS for breakfast.

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