HEIDENHAIN TNC 370 User Manual page 319

12 Tables, Overviews and Dialogs
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12.3 Preassigned Q Parameters
Overlap factor: Q112
The overlap factor for pocket milling (MP 7430) is assigned to Q112.
Unit of measurement: Q113
The value of parameter 0113 specifies whether the highest-level NC
program (for nesting with PGM CALL) is programmed in millimeters or
inches. After NC start, 0113 is set as follows:
unit of msasuremsnt Imain pragram) Param*t value
Millimeters 0113 = 0
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Inches
Q113 = 1
Current tool length: 0114
The current value of the tool length is assigned to Q114.
Coordinates from probing during program run
Parameters Q115 to Q119 are assigned the coordinates of the spindle
position upon probing during a programmed measurement with the 3D
touch probe. The length and radius of the stylus are not included in
these coordinates.
Paramdet
X axis Q115
Y axis
2 axis
Q116
Q117
IVth axis Q118
Actual-nominal deviation during automatic tool measurement
with the TT 120 touch probe
Actual-nominal devhtion
PararrMer
X axis 0115
Y axis
0116
Current tool radius compensation
The current tool radius compensation is assigned to parameter Q123 as
follows:
.-.
Current tool radius oompansation
Param**r value
\-
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RO
Q123 = 0
RL
Q123 = 1
RR
Q123 = 2
R+ Q123 = 3
R-
Q123 = 4
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TNC 370
12-13