290 Programming: Q Parameters
9.10 Preassigned Q Parameters
Unit of measurement for dimensions in the
program: Q113
During nesting the PGM CALL, the value of the parameter Q113
depends on the dimensional data of the program from which the other
programs are called.
Tool length: Q114
The current value for the tool length is assigned to Q114.
The current value for the tool length is assigned to Q114. Q114 is
calculated from:
îš„ The tool length (tool table or G99 block)
îš„ Delta value DL from the tool table
îš„ Delta value DL from the T block
Coordinates after probing during program run
The parameters Q115 to Q119 contain the coordinates of the spindle
position at the moment of contact during programmed measurement
with the 3-D touch probe. The coordinates refer to the datum point
that is active in the Manual operating mode.
The length of the stylus and the radius of the ball tip are not
compensated in these coordinates.
Dimensional data of the main program Parameter value
Metric system (mm) Q113 = 0
Inch system (inches) Q113 = 1
The TNC remembers the current tool length even if the
power is interrupted.
Coordinate axis Parameter value
X axis Q115
Y axis Q116
Z axis Q117
4th axis
depending on MP100
Q118
5th axis
depending on MP100
Q119
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