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Forum: 10. Base Table

Sun 12 May 2013, 08:51

Replies: 13

what type of bleeder board to use?

Views: 20,655

Posted By darren salyer

Trupan is merely a brandname for Ultralight...

Trupan is merely a brandname for Ultralight Medium Density Fiberboard. Any brand of Ultralight MDF should work fine, it has less density which is what makes it lighter, thereby being more porous.

Forum: 10. Base Table

Sun 12 May 2013, 08:49

Replies: 13

what type of bleeder board to use?

Views: 20,655

Posted By darren salyer

If you build to the "blackbox" plans or similar,...

If you build to the "blackbox" plans or similar, I'd say Yes, that will work fine.
Its hard to believe the vacuum will go through a full sheet, but it was a "Holy Cow" moment for me the first time I...

Forum: 10. Base Table

Sun 12 May 2013, 07:01

Replies: 13

what type of bleeder board to use?

Views: 20,655

Posted By darren salyer

I have a piece of 3/4" Trupan that I machined a...

I have a piece of 3/4" Trupan that I machined a 1/2" x 3/8" deep grid in, leaving 1" squares intact. It is installed on my table grid side down over the vac hole in the table. My work piece goes...

Forum: 10. Base Table

Sat 11 May 2013, 07:00

Replies: 13

what type of bleeder board to use?

Views: 20,655

Posted By darren salyer

I went a much simpler direction. One 3" port...

I went a much simpler direction.
One 3" port through my table, under my 4x8 vacuum plenum board. When I need to hold a smaller part, I mask off the rest of the plenum board with some 1/4" UV coated...

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