HEIDENHAIN TNC 407 (280 580) ISO Programming - Manual (Page 163)

TNC 426/TNC 425/TNC 415 B/TNC 407 5 - 3 0
5 Programming Tool Movements
Fig. 5.38: Circular path around a pole
5.5 Path Contours – Polar Coordinates
G12/G13/G15: Circular path around pole I, J, K
The polar coordinate radius is also the radius of the arc. It is defined by the
distance from the starting point
S
to the pole.
Input
• Polar coordinate angle H for the end point of the arc
Permissible values for H: –5400° to +5400°
Defining the direction of rotation
Direction of rotation
• Clockwise G12
• Counterclockwise G13
• No definition G15
(the last programmed direction of rotation is used)
Circle, polar coordinates, clockwise.
Enter angle H for the end point of the arc (here, H = 30°).
Confirm entry.
Further entries, if necessary:
Radius compensation R
Feed rate F
Miscellaneous function M
Resulting NC block: G12 H30 *
3 0 END H
2 1 G
H
R
G13
E
S
X
Y
J
I