HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 315)

HEIDENHAIN TNC 320 315
1
0
.1 Pr
inciple and Ov
erview
Programming notes
You can mix Q parameters and fixed numerical values within a
program.
Calling Q parameter functions
When you are writing a part program, press the “Q” key (in the
numeric keypad for numerical input and axis selection, below the +/–
key). The TNC then displays the following soft keys:
Some Q parameters are always assigned the same data by
the TNC. For example, Q108 is always assigned the
current tool radius (see “Preassigned Q Parameters,”
page 360).
Function group Soft key Page
Basic arithmetic (assign, add, subtract,
multiply, divide, square root) Page 317
Trigonometric functions Page 319
Function for calculating circles Page 321
If/then conditions, jumps Page 322
Other functions Page 325
Entering formulas directly Page 356
Formula for string parameters Page 363