AIA/NAS 963-2012 pdf download COMPUTER NUMERICALLY CONTROLLED VERTICAL AND HORIZONTAL JIG BORERS
This specification provides a standard for themanufacture，performance，reliability，inspectionand procurement of computer numerically controlledvertical and horizontal jig boring machines.This standard ists minimum requirements and isnot to limit design advances.
ClassificationThe machine(s) shall be of the following type(s),size(s) and class(es).
Type
Vertical SpindleHorizontal Spindle
Vertical
11″x24″
18”x 32″
22”x44″
28”x56″
Horizontal
24”x36″
30”x48″
36″x60″
48”x 72″
36”x72″
CIass
Computer numerically controlled positioning andstraight cut AIA C]ass III,contouring AIA CIassIV，and contouring/positioning AIA Class III/IV.

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