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Appendix 4. Registering/Editing the Fixed Cycle Program
4.6 Standard Fixed Cycle Subprogram (For M system)
IV-19
Cutting feed
Dwell.
Return.
Define the cutting amount for block 2 and after.
Cutting feed
Dwell.
Return.
G74 (O841) Reverse tap cycle
Fixed cycle block 1 movement command
Check for fixed cycle invalidity.
Inhibit single block stop.
Invalidate feed hold/override.
Dwell.
Rotate the spindle forward.
Dwell.
Rotate the spindle reversely.
Return.
G76 (O861) Fine boring
Fixed cycle block 1 movement command
Check for fixed cycle invalidity.
Single block stop command
Orient the spindle.
Shift.
Return.
Shift.
Rotate the spindle forward.
G1 Z#28 ;
G4 P#4 ;
G0 Z − #14 ;
#28 = #11 + #14 ;
END1 ;
N1 G1 Z#3 − #29 + #28 ;
G4 P#4 ;
#3003 = #8 ;
G0Z − #3 − #2 ;
N2 M99%
G. 1 ;
1F [#30] GOTO1 ;
Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
#3004 = #9 OR 3 ;
G1 Z#3 ;
G4 P#4 ;
M3 ;
#3900 = 1 ;
Z − #3 ;
#3004 = #9 ;
G4 P#4 ;
M4 ;
#3003 = #8 ;
G0 Z − #2 ;
N1 M99%
G. 1 ;
1F [#30] GOTO1 ;
Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
G1 Z#3 ;
M19 ;
X#12 Y#13 ;
G0 Z − #3 − #2 ;
#3003 = #8 ;
X − #12 Y − #13 ;
M3 ;
N1 M99%