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HEIDENHAIN TNC 410 User Manual

Page 236

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HEIDENHAIN TNC 410

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Unit of measurement for dimensions in the program: Q113
The value of parameter Q113 specifies whether the highest-level
NC program (for nesting with PGM CALL) is programmed in
millimeters or inches.

Dimensions of the main program

Parameter value

Metric system (mm)

Q113 = 0

Inch system (inches)

Q113 = 1

Tool length: Q114
The current value for the tool length is assigned to Q114.

Coordinates after probing during program run
The parameters Q115 to Q118 contain the coordinates of the
spindle position at the moment of contact during programmed
measurement with the 3-D touch probe.

The length and radius of the probe tip are not compensated in
these coordinates.

Coordinate axis

Parameter

X axis

Q115

Y axis

Q116

Z axis

Q117

IVth axis

Q118

Deviation between actual value and nominal value during
automatic tool measurement with the TT 120

Actual-nominal deviation

Parameter

Tool length

Q115

Tool radius

Q116

Active tool radius compensation

Active radius compensation

Parameter value

R0

Q123 = 0

RL

Q123 = 1

RR

Q123 = 2

R+

Q123 = 3

R–

Q123 = 4