Wszystko działa tak jak chciałem

N05 G0 G153 D0 X520.
N10 M05
N15 M413
N20 Y0.0
N25 G153 D0 Z700.
N30 DIAMON
N35 G18 G54 G90
N40 T7 ; NAZWA NARZEDZA
TC(1)
N45 SETMS(4)
N50 G97 S4=0 M4=5
N55 G94 F2000.0
N60 M4=70
N65 C4=60
N70 M412
N75 Y0
N80 X60 Z18.0 M108
***************************
R1=60 ;SREDNICA POCZATKOWA
R2=0.1;PRZYBRANIE
R3=20;ILOSC POWORZEN
R4=0 ;LICZNIK
***************************
REPEAT
N85 G0 X=R1
N90 G1 Z5
N95 Z-100
N100 X55
N105 G0 Z5
N110 R1=R1+R2
N115 R4=R4+1
UNTIL R4>R3
***************************
N120 G0 Z25
N125 M109
N130 G0 G153 D0 X520.
N135 M05
N140 M413
N145 Y0.0
N150 G153 D0 Z700.
N155 M4=5
N160 M30