HEIDENHAIN TNC 640 User Manual page 72

1
Recommended program layout for simple cycle programs
Example
%BSBCYC G71 *
N10 G30 G71 X... Y... Z...*
N20 G31 X... Y... Z..*
N30 T5 G17 S5000*
N40 G00 G40 G90 Z+250*
N50 G200...*
N60 X... Y...*
N70 G79 M13*
N80 G00 Z+250 M2*
N99999999 BSBCYC G71 *
1 Call tool, define tool axis
2 Retract the tool
3 Define the fixed cycle
4 Move to the machining position
5 Call the cycle, switch on the spindle/coolant
6 Retract the tool, end program
Further information on this topic
Cycle programming
Further information:
72
Cycle Programming User's Manual
First Steps with the TNC 640 | Programming the first part
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017