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User:SteveB67/Sandbox

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List of different variables used with G-code
Variable Description
X Absolute or incremental position of X axis
Y Absolute or incremental position of Y axis
Z Absolute or incremental position of Z axis
A Absolute or incremental position of A axis (rotational axis around X axis)
B Absolute or incremental position of B axis (rotational axis around Y axis)
C Absolute or incremental position of C axis (rotational axis around Z axis)
U Relative axis parallel to X axis

X absolute position Y absolute position Z absolute position A position (rotary around X) B position (rotary around Y) C position (rotary around Z) U Relative axis parallel to X V Relative axis parallel to Y W Relative axis parallel to Z M code (another "action" register or Machine code(*)) (otherwise referred to as a "Miscellaneous" function") F feed rate S spindle speed N line number R Arc radius or optional word passed to a subprogram/canned cycle P Dwell time or optional word passed to a subprogram/canned cycle T Tool selection I Arc data X axis J Arc data Y axis. K Arc data Z axis, or optional word passed to a subprogram/canned cycle D Cutter diameter/radius offset H Tool length offset