Turning Archive 2004

Subject:
warning about vac chuck

John F
>Well, I finally got my vacuum chuck system working and gave it a try. I turned a 9.5" plate and put it on my vacuum chuck face plate to finish off the bottom. Well it shattered....
I immediately ran down to the merchantile and bought a vacuum "T" and a small valve to regulate how much vacuum I was applying to the items.

Now it has me wondering what the formula is to figure out how much pressure I am applying...

I have the part about the surface area, pi*r,squared....now I just need the rest of it.

anyone?

John F

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