MIL-B-80272
Departure control.
The maximum departure permitted by a
3.4.10.3.5
single command in either incremental or absolute model shall be not less
than plus or minus 99.9999 inches or 999.999 mm. The control shall be cap-
able of automatically controlling the acceleration and deceleration of the
slides. The resolution of slide movement in either direction shall not be
more than 0.0001 inch or 0.001 mm.
Preparatory function (G-Codes).
3.4.10.3.6
The preparatory function
Does
codes of the control shall be in accordance with EIA Standard RS-274.
not apply to BCL controls.
3.4.10.3.7 Miscellaneous functions (M-Codes). The miscellaneous function
codes of the control shall be in accordance with EIA Standard RS-274. Does
not apply to BCL controls.
Unless otherwise specified (see 6.2.1),
3.4.10.3.8 Additional features.
the following additional numerical control features shall be provided:
a.
Four quadrant programming.
Incremental and continuous jog for each axis.
b.
Inches per minute (ipm)/millimeter per minute (mmpm).
c.
3.4.10.4 Axis and tool management.
The control shall have a tool length
3.4.10.4.1
Tool length offsets.
offset feature to permit adjustments to the programmed tool length by means
of manual data input. The tool length offset feature shall have a range of
not less than the following:
a.
Inch system
to 1.0000".
b.
Metric system
mm to
mm.
3.4.10.4.2 Cutter compensation. Cutter compensation shall be provided to
compensate for cutter diameters differing from those utilized in program-
ming. The cutter compensation shall have a range of not less than the fol-
lowing:
a.
Inch system
to
b.
Metric system
mm to
mm.
3.4.10.4.3 Fixture compensation. A fixture compensation feature shall be
provided to permit compensation for fixture position errors.
3.4.10.4.4 Reversal error compensation. Reversal error compensation cir-
cuitry shall be provided for a selectable dimension correction to be added
automatically to the command dimension to each linear axis reversal to com-
pensate for mechanical lost motion.
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