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Jointing and Planing

redlee

Titanium
Joined
Apr 2, 2009
Location
Beaver County Alb. Canada
Im building a crosscut sled, old one has seen better days. 3 pieces of 3/4 Baltic (11/16) glued together. I put a straight edge on it and thought why not try and Joint and Plane it straight. Ive always heard dont plane or joint plywood.
It actually jointed quite nicely,then thru the planer and same results - perfect, no tearout at all and no complaints from the machines. So then I dadoed for some extrusions for stops and of course it didnt sit quite evenly and thought what the heck thru the planer ( Carbide Insert Head) now its even and flat.
So planing and jointing plywood (Baltic Birch) seems to work just fine.IMG_3409.jpgIMG_3410.jpgIMG_3408.jpgIMG_3407.jpgIMG_3406.jpg

Title meant to say Jointing and Planing Plywood.
 
It actually jointed quite nicely,then thru the planer and same results - perfect, no tearout at all and no complaints from the machines.

You didn't ask, but the reason is the glue is considerably harder and more abrasive than the wood, and since it is always the same relative distance from the fence, will wear grooves in your knives, if you run enough of it Carbide cutterheads help, of course, but aren't immune.

For an occasional quick pass, no problem, but you run the risk of seeing the results in later work.

Dennis
 








 
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