HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 129)

˜ ˜¢¬ 129
6.4 P
a
th Cont
ours—Car
te
sian Coor
dinat
e
s
Circular path C around circle center CC
FOpF˜zpV"hhamV˜"˜4a4¤d"˜z"›^˜ :˜©p¤˜h¤’›˜Oa’›˜Fm›F˜›^F˜4a4dF˜
4Fm›F˜ ˜^F˜d"’›˜zpV"hhF=˜›ppd˜zp’a›apm˜*FOpF˜›^F˜ ˜*dp4c˜a’˜
¤’F=˜"’˜›^F˜4a4dF˜’›"›amV˜zpam›
8 p¦F˜›^F˜›ppd˜›p˜›^F˜4a4dF˜’›"›amV˜zpam›
8 Coordinates
˜pO˜›^F˜4a4dF˜4Fm›F
8 Coordinates
˜pO˜›^F˜"4˜Fm=˜zpam›
8 Direction of rotation DR
¤›^F˜Fm›aF’:˜aO˜mF4F’’"©9
8 Feed rate F
8 Miscellaneous function M
Example NC blocks
Full circle
p˜›^F˜Fm=˜zpam›:˜Fm›F˜›^F˜’"hF˜zpam›˜›^"›˜©p¤˜¤’F=˜Op˜›^F˜’›"›amV˜
zpam›
Circular path CR with defined radius
^F˜›ppd˜hp¦F’˜pm˜"˜4a4¤d"˜z"›^˜§a›^˜›^F˜"=a¤’˜
8 Coordinates ˜pO˜›^F˜"4˜Fm=˜zpam›
8 Radius R
p›F9˜^F˜"dVF*"a4˜’aVm˜=F›FhamF’˜›^F˜’a«F˜pO˜›^F˜
"4M
8 Direction of rotation DR
p›F9˜^F˜"dVF*"a4˜’aVm˜=F›FhamF’˜§^F›^F˜›^F˜"4˜
a’˜4pm4"¦F˜p˜4pm¦F¨M
¤›^F˜Fm›aF’:˜aO˜mF4F’’"©9
8 Miscellaneous function M
8 Feed rate F
Full circle
p˜"˜O¤dd˜4a4dF:˜zpV"h˜›§p˜ ˜*dp4c’˜am˜’¤44F’’apm9
^F˜Fm=˜zpam›˜pO˜›^F˜Oa’›˜’Fha4a4dF˜a’˜›^F˜’›"›amV˜zpam›˜pO˜›^F˜’F4pm=˜
^F˜Fm=˜zpam›˜pO˜›^F˜’F4pm=˜’Fha4a4dF˜a’˜›^F˜’›"›amV˜zpam›˜pO˜›^F˜Oa’›
5 CC X+25 Y+25
6 L X+45 Y+25 RR F200 M3
7 C X+45 Y+25 DR+
^F˜’›"›amV˜"m=˜Fm=˜zpam›’˜pO˜›^F˜"4˜h¤’›˜daF˜pm˜›^F˜
4a4dF
mz¤›˜›pdF"m4F9˜¤z˜›p˜¬¬s–˜hh˜|’FdF4›F=˜›^p¤V^˜›^F˜
‰4a4dF F¦a"›apmŠ˜h"4^amF˜z""hF›F}
S E
X
Y
CC
X
Y
25 45
25
CC
DR+
DR–
X
Y
CC
S
1
=E
2
E
1
=S
2
R