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Import 3/4 pre finished birch on CNC?10/15
Just curious if anyone has any luck cutting this stuff on a cnc with vac table. It seems to have a lot of tension when cut on a table saw and was curious if moving parts would be more of and issue with it. If so, does a full sheet onion skin help?
Our cnc machine is on order and I would like to start using more prefinished materials.
No Chinese stuff goes on my table.
That being said, I have had good luck compensating for warped plywood by cutting in 2 rough and 1 finish passes.
If there are some spots of the sheet that won't set down, taking the first cut at 1/2 or 3/4 depth can reduce the tension in the top face enough that the bottom face will now lay flat on the table.
Also, bow down. It's easier to push the centre of the sheet down than the corners. I need to sometimes get up on the machine bed and walk around on the sheet to get it down.
3/4 seems to be easier to deal with than the thinner stuff.
I'm using a 30HP rotary screw vacuum pump on a 5X10 table.
the import stuff is carp....pay more for good quality material...you save on labour and you won't be remaking parts all the time...
Thanks for the advice. Any one know of a supplier of domestic Pre finished in the Midwest? My two plywood suppliers only offer import.
Aetna plywood, Frank Paxton lumber , Wurth Baer supply, All Tile , Sierra forest products . Any one of these suppliers stock all sizes
Excellent. I will definitely check them out. Amerhart would be another one to add to that list.