So let me explain further.Its a high density polyurethane foam, relatively low shear stress in comparison to metallic materials.
What I did was take a hypothetical vacuum available on a pump. A becker 175 CFM 25" HG pump.
Using 25"HG or 12.5 PSI as vacuum pressure and taking .125" diameter...
Background:
I have a need to size a pump for piece holding on a "cnc" style "grooving" machine.
The operation uses saw blades to cut slots (what we call grooves) into a sheet of a polishing material.
To hold the work piece we have a vacuum table that utilizes an ancient compressor plumbed...
