HEIDENHAIN TNC 370 User Manual page 169

7 Programming with Q Parameters
-
7.1
Part Families-Q Parameters Instead of Numerical Values..
....... ..7- 4
7.2
Describing Contours Through
Mathematical
Functions ................
7-6
Overview ...................................................................................................................
7-6
7.3 Trigonometric Functions
...................................................................
7-8
Overview
..................................................................................................................
.7-8
7.4
If-Then Operations with Q Parameters
............................................
7-9
Jumps.. .....................................................................................................................
.7-9
Overview ..................................................................................................................
,7-9
7.5 Checking and Changing 0 Parameters
......................................... 7-11
7.6 Output of Q Parameters and Messages
.........................................
7-12
Displaying error messages ....................................................................................
,7-l 2
Output through
an external data interface.. ............................................................
7-l 3
Assigning values for the PLC ..................................................................................
7-l 3
7.7 Reading from System Data ..............................................................
7-14
7.8 Examples for Exercise .....................................................................
7-15
Rectangular pocket with corner rounding and tangential approach
..................... ..7- 15
Bolt hole circle ........................................................................................................
.7-l 6
Ellipse .....................................................................................................................
.7-18
Machining a hemisphere
with an end mill.. .............................................................
7-20
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