HEIDENHAIN iTNC 530 291
9.10 Preassigned Q Parameters
Deviation between actual value and nominal 
value during automatic tool measurement with 
the TT 130
Tilting the working plane with mathematical 
angles: rotary axis coordinates calculated by the 
TNC
Deviation of actual from nominal value Parameter value
Tool length Q115
Tool radius Q116
Coordinates Parameter value
A axis Q120
B axis Q121
C axis Q122