HEIDENHAIN TNC 320 (340 551-01) - Manual (Page 139)

˜ ˜¢¬ 139
6.5 P
a
th Cont
ours—P
olar Coor
dinat
e
s
Shape of the helix
^F˜›"*dF˜*Fdp§˜add¤’›"›F’˜am˜§^a4^˜§"©˜›^F˜’^"zF˜pO˜›^F˜^Fda¨˜a’˜
=F›FhamF=˜*©˜›^F˜§pc˜=aF4›apm:˜=aF4›apm˜pO˜p›"›apm˜"m=˜"=a¤’˜
4phzFm’"›apm
Programming a helix
8 Polar coordinates angle: ˜ m›F˜›^F˜›p›"d˜"mVdF˜pO˜
›ppd˜›"¦F’F˜"dpmV˜›^F˜^Fda¨˜am˜am4FhFm›"d˜
=ahFm’apm’˜After entering the angle, specify the
tool axis with an axis selection key.
8 Coordinate: ˜ m›F˜›^F˜4pp=am"›F˜Op˜›^F˜^FaV^›˜pO˜›^F˜
^Fda¨˜am˜am4FhFm›"d˜=ahFm’apm’
8 Direction of rotation DR
˜
dp4c§a’F˜^Fda¨9˜ J
p¤m›F4dp4c§a’F˜^Fda¨9˜ ‚
¨"hzdF˜ ˜*dp4c’9˜^F"=˜–˜¨˜s˜hh˜§a›^˜Q˜F¦pd¤›apm’
Internal thread
Work
direction
Direction
Radius
comp.
aV^›_^"m=F=
FO›_^"m=F=
!‚
!‚
‚
J˜
aV^›_^"m=F=
FO›_^"m=F=
!J
!J
J˜
‚˜
External thread
aV^›_^"m=F=
FO›_^"m=F=
!‚
!‚
‚
J˜
aV^›_^"m=F=
FO›_^"m=F=
!J
!J
J˜
‚˜
d§"©’˜Fm›F˜›^F˜’"hF˜"dVF*"a4˜’aVm˜Op˜›^F˜=aF4›apm˜pO˜
p›"›apm˜ ˜"m=˜›^F˜am4FhFm›"d˜›p›"d˜"mVdF˜ ˜^F˜›ppd˜
h"©˜p›^F§a’F˜hp¦F˜am˜"˜§pmV˜z"›^˜"m=˜="h"VF˜›^F˜
4pm›p¤
p˜›^F˜›p›"d˜"mVdF˜ :˜©p¤˜4"m˜Fm›F˜"˜¦"d¤F˜Oph˜JQT¬¬@˜
›p˜‚QT¬¬@˜O˜›^F˜›^F"=˜^"’˜hpF˜›^"m˜sQ˜F¦pd¤›apm’:˜
zpV"h˜›^F˜^Fda¨˜am˜"˜zpV"h˜’F4›apm˜FzF"›˜|’FF˜
‰pV"h˜F4›apm˜FzF"›’:Š˜z"VF˜¬¬}
12 CC X+40 Y+25
13 L Z+0 F100 M3
14 LP PR+3 PA+270 RL F50
15 CP IPA-1800 IZ+5 DR-
Y
X
Z
25
40
5
270°
R3
CC