Special Cycles; Dwell Time (Cycle 9); Program Call (Cycle 12) - HEIDENHAIN TNC 370 User Manual

8 Cvcles
8.8 Special Cycles
DWELL TIME (Cycle 9)
Application
Within a running program, the execution of the next block is delayed by
the programmed dwell time.
The dwell time cycle can be used, for example, for chip breaking.
Activation
This cycle becomes effective as soon as it is defined. Modal conditions
(such as a spindle rotation) are not affected.
Input data
A dwell time is entered in seconds.
Entry range: 0 to 30 000 s (approx. 8.3 hours) in increments of 0.001 s.
PROGRAM CALL (Cycle 12)
Application and activation
Part programs such as special drilling cycles, curve milling or geometric
modules, can be written as main programs and then called for use just
like fixed cycles.
Input data
Enter the file name of the program to be called.
The program is called with
l
CYCL CALL (separate block) or
l
M99 (blockwise) or
l
M89 (modally)
Example: Program call
A callable program (program 50) is to be called into a program with a
cycle call.
I
Part program
.
.
.
CYCL DEF 12.0 PGM CALL .......................................
Definition:
CYCL DEF 12.1 PGM 50 ............................................ "Program 50 is a cycle"
L X+20 Y+50 FMAX M99 ..........................................
Call of program 50
.
.
.
4
4
4
-/
d
d
4
d
8-68
TNC 370