HEIDENHAIN TNC 370 User Manual page 133

5 Programming Tool Movements
4
5.5
Path Contours - Polar Coordinates
To program a helix:
m 1 Select polar coordinates.
I -
f-
-3
pI)LbRCI)oRDINATE~GlwEPA"!
c i
0
I
Enter PA incrementally.
Enter the total angle of tool traverse along the helix, for example
PA = 1080".
e.g.
Enter the tool axis; for example Z.
\
r
COORDTWA'SES ?
L ,. ,,,.
if necessary 1
0
Identify the height entry as incremental.
-
J
\
d
J
-
e.g.
Enter the height H of the helix, for example 5 mm.
Terminate coordinate input.
-
L ,
f \
ROTATRJN cLoCm& DR- ?
c
-I
lx
0
or 2X
0
Clockwise helix: DR- or counterclockwise: DR+
-
Enter radius compensation according to the table.
--------------------____
If necessary, enter also:
Feed rate
Miscellaneous function
Resulting NC block: CP IPA+ 1080 lZ+5 DR-RL
5-34
TNC 370