Mitsubishi Electric MELDAS 600M Series Instruction Manual page 449

N5 G0 Z−#14 ;
N1 G1 Z#3−#29+#28 ;
N6 #3003 = #8 ;
N2 M99%
G74 (O100000740) Reverse tap cycle
N5 M3 ;
N6 M4 ;
N1 M99%
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Appendix 1. Fixed cycle Programs
G1 Z#28 ;
IF [#4 EQ #0] GOTO5 ;
G4 P#4 ;
#28 = #11+#14 ;
END1 ;
IF [#4 EQ #0] GOTO6 ;
G4 P#4 ;
G0 Z−#3−#2 ;
G. 1 ;
IF [#30] GOTO1 ;
G0 Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
#3004 = #9 OR 3 ;
G1 Z#3 ;
IF [#4 EQ #0] GOTO5 ;
G4 P#4 ;
#3900 = 1 ;
Z−#3 ;
#3004 = #9 ;
IF [#4 EQ #0] GOTO6 ;
G4 P#4 ;
#3003 = #8 ;
G0 Z−#2 ;
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CHAPTER 4 APPENDICES
Cutting feed
Dwell.
Return.
Define the cutting amount for block 2 and after.
Cutting feed
Dwell.
Return.
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.
IV – 7