Mitsubishi Electric MELDAS 600M Series, Instruction Manual, Page: 445 / 512

CHAPTER 4 APPENDICES
Appendix 1. Fixed cycle Programs
IV
– 3
1.3 Standard Fixed cycle subprogram
G81 (O100000810) Drill, spot drill
Fixed cycle block 1 movement command
Check for Fixed cycle invalidity.
Inhibit single block stop.
Return.
G82 (O100000820) Drill, counter boring
Fixed cycle block 1 movement command
Check for Fixed cycle invalidity.
Inhibit single block stop.
Dwell.
Return.
G83 (O100000830) Deep hole drill cycle
Fixed cycle block 1 movement command
Check for Fixed cycle invalidity.
Define the cutting amount.
Initialize the return amount(total cutting
amount).
Inhibit single block stop.
Define the return amount of the next block.
Calculate the feed amount.
Feed.
Does the total cutting amount (return amount)
exceed the cut amount?
Cutting feed
G. 1 ;
IF [#30] GOTO1 ;
G0 Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
G1 Z#3 ;
IF [#4 EQ #0] GOTO5 ;
G4 P#4 ;
N5 #3003 = #8 ;
G0 Z
−
#3
−
#2 ;
N1 M99%
G. 1 ;
IF [#30] GOTO1 ;
G0 Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
G1 Z#3 ;
#3003 = #8 ;
G0 Z
−
#3
−
#2 ;
N1 M99%
G. 1 ;
IF [#30] GOTO2 ;
#29 = #11
#28 = 0 ;
G0 Z#2 G#6 H#7 ;
#2 = ##5
#3003 = #8 OR 1 ;
DO 1 ;
#28 = #28
−
#11
#26 =
−
#28
−
#29
Z#26 ;
IF [ABS [#28] GE [ABS [#3] ] ] GOTO 1 ;
G1 Z#29 ;
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