I know we have some machines at work that weigh less than 12000 lbs, and the manufacturers do spec at least 8" slabs. But I don't really know how much a 4" slab can support.
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Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |