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Dimensions - Hole Size vs. Metal Thickness
Holes,slots, and RADII have dimensional limits
which are related directly to the thickness of the metal. As a general
rule, the smallest diameter, which can be produced by the PCM process,
cannot be less than 1.2 times the thickness of the metal. Exceptions to
this occur at the opposite ends of the scale : The minimum practical diameter
of the holes in the foils must be determinated by test. "Tricks of
trade" permit holes smaller than stock thickness in special circumstances.
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