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Appendix 4. Registering/Editing the Fixed Cycle Program
4.6 Standard Fixed Cycle Subprogram (For M system)
IV-17
G86 (O860) Boring 2
Fixed cycle block 1 movement command
Check for fixed cycle invalidity.
Inhibit single block stop.
Dwell.
Stop the spindle.
Return.
Rotate the spindle forward.
G87 (O870) Back boring
Fixed cycle block 1 movement command
Check for fixed cycle invalidity.
Inhibit single block stop.
Orient the spindle.
Cancel single block stop inhibition.
Inhibit single block stop.
Cancel single block stop inhibition.
Rotate the spindle forward.
Inhibit single block stop.
Orient the spindle.
Shift.
G87 is not affected by the G98 or G99 modal.
Cancel single block stop inhibition.
Shift.
Rotate the spindle forward.
G. 1 ;
1F [#30] GOTO1 ;
Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
G1 Z#3 ;
G4 P#4 ;
M5 ;
G0 Z − #3 − #2 ;
#3003 = #8 ;
M3 ;
N1 M99%
G. 1 ;
1F [#30] GOTO1 ;
#3003 = #8 OR 1 ;
M19 ;
X#12 Y#13 ;
#3003 = #8 ;
Z#2 G#6 H#7 ;
#3003 = #8 OR 1 ;
G1 X − #12 Y − #13 ;
#3003 = #8 ;
M3 ;
#3003 = #8 OR 1 ;
Z#3 ;
M19 ;
G0 X#12 Y#13 ;
Z − #2 − #3 ;
#3003 = #8 ;
X − #12 Y − #13 ;
M3 ;
N1 M99%