HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 254)

8 Programming: Cycles 238
8.10 Special Cycles
DWELL TIME (Cycle G04)
This cycle 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.
ú Dwell time in seconds: Enter the dwell time in
seconds
Input range 0 to 3600 s (1 hour) in 0.001 s steps
Example NC block:
N72 G04 F1.5*
PROGRAM CALL (Cycle G39)
Routines that you have programmed (such as special drilling cycles
or geometrical modules) can be written as main programs and then
called like fixed cycles.
Before programming, note the following:
If you want to define a conversational dialog program to
be a cycle, enter the file type .H behind the program
name.
For the TNC 426, TNC 430:
If the program you are defining to be a cycle is located in
the same directory as the program you are calling it from,
you need only to enter the program name.
If the program you are defining to be a cycle is not
located in the same directory as the program you are
calling it from, you must enter the complete path (for
example \CONV35\FK1\50.I).
8.1
0 Special Cy
cles
% LOT31 G71 N70 G39 P01 50 *
.
.
.
N90 ... M99
N99999 LOT31 G71
Kkap8.pm6 29.06.2006, 08:06 238