Siemens SINUMERIK 840Di sl Programming Manual page 428

Program section repetition
11.1 Program section repetition
Example repeat program section from BEGIN to END
N5 R10=15
N10 Begin: R10=R10+1
N20 Z=10-R10
N30 G1 X=R10 F200
N40 Y=R10
N50 X=-R10
N60 Y=-R10
N70 END:Z=10
N80 Z10
N90 CYCLE(10,20,30)
N100 REPEAT BEGIN END P=3
N110 Z10
N120 M30
Example of ENDLABEL
N10 G1 F300 Z-10
N20 BEGIN1:
N30 X10
N40 Y10
N50 BEGIN2:
N60 X20
N70 Y30
N80 ENDLABEL: Z10
N90 X0 Y0 Z0
N100 Z-10
N110 BEGIN3: X20
N120 Y30
N130 REPEAT BEGIN3 P=3
N140 REPEAT BEGIN2 P=2
N150 M100
N160 REPEAT BEGIN1 P=2
N170 Z10
N180 X0 Y0
N190 M30
Example of milling: Machine drill position with different technologies
N10 CENTER DRILL()
N20 POS_1:
N30 X1 Y1
N40 X2
N50 Y2
N60 X3 Y3
N70 ENDLABEL:
N80 POS_2:
N90 X10 Y5
N100 X9 Y-5
428
;Width
;Execute area from N10 to N70 three times
;Execute area from N110 to N120 three times
;Execute area from N50 to N80 twice
;Execute area from N20 to N80 twice
;Load center drill
;Drilling positions 1
;Drilling positions 2
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals