Originally Posted by
marcrunner
Hoping to gain some knowledge on my new vacuum table set up.
I decided to go with a dedicated vacuum grid table consisting of MDF top with .25" channels, and 4 ports. Using Gary's KISS table setup idea, I have the 4 lighthouse motors mounted directly to the bottom of the table with no manifolds. Each motor is switched. I have sealed the MDF table surface with 4 coats of diluted glue mix. When routing, I place a 1/4" sheet of ultralight MDF on top of the vacuum grid as a spoilboard, with gasket material in between. I then tape off the sides of the ULMDF to reduce leakage. Using my last 2 lighthouse motor setup(W/ manifold) as a reference, I am not getting near enough suction out of this set up.
With that being said, do I need to create a larger volume of air to keep a steady pull on the sheet? At this point the only stored air space is the .25" channels that make up the vacuum table. Thoughts on this?
Thanks,
Marc