Re: [CAD_CAM_EDM_DRO] vacume hold down

In a message dated 1/18/2005 9:48:16 P.M. Central Standard Time,
csg@... writes:

Is it true that vacume can travel through sacrificial sheet on cnc
routers and then hold work piece in place without any holes?



No. BUT an UNsealed sacrificial sheet can let enough vacuum "escape" that
it will do no good! (I put "escape" in quotes as a vacuum is NOTHING, so,
guess it does not escape, but ambient air sneaks IN. )


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