Yes, 6mm (1/4") MDF works well. It has a bit of restriction so you don't
lose all of your vacuum when you cut right through your parts.
What sort of vacuum pumps did you have in mind? You'll probably need a
minimum of 250 cubic metres per hour for decent hold down. In terms of
motor size, that's getting on towards 7.5kw /10HP.
Les
On 09/06/2021 03:46, Leonardo Marsaglia wrote:
Thank you guys for your answers!
I've been reading and apparently MDF with a skim cut is pretty good to
distribute the vacuum all around it's surface given its porosity. I think
I'm gonna try that option first to see how severe is the vacuum loss when
the cuts are made.
Second option would be what Todd suggests, wich is a little trickier mostly
because my surface needs to be 3000 mm x 2000 mm, so that's a lot of
springs...
I'll keep you informed as the project progresses.
Thanks as always for your help :)
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