HEIDENHAIN iTNC 530 (340 420) ISO programming - Manual (Page 366)

366 8 Programming: Cycles
8.1
1
Sp
ecial Cy
cles
8.11 Special Cycles
DWELL TIME (Cycle G04)
This causes the execution of the next block within a running program
to be delayed by the programmed dwell time. A dwell time can be
used for such purposes as chip breaking.
Effect
Cycle 9 becomes effective as soon as it is defined in the program.
Modal conditions such as spindle rotation are not affected.
U U U U Dwell time in seconds: Enter the dwell time in
seconds.
Input range: 0 to 3600 s (1 hour) in steps of 0.001 seconds
Example: NC block
N74 G04 F1.5 *