Siemens SINUMERIK 840D sl Operating Manual page 254

Programming a cycle
4.8 Contour milling
Cartesian starting point
Polar starting point
Parameters
Parameter
PL
X
Y
X
Y
L1
β1
Additional command
1) Parameter description refers to plane G17; plane selection G18 or G19 possible in selection field
(MD 52005: $MCS_DISP_PLANE_MILL)!
254
6. Press the "Accept" softkey.
The input screen for the starting point of the contour appears. You can
enter Cartesian or polar coordinates.
1. Enter the starting point for the contour.
2. Enter any additional commands in G code format, as required.
3. Press the "Accept" softkey.
4. Enter the individual contour elements.
1. Press the "Pole" softkey.
2. Enter the pole position in Cartesian coordinates.
3. Enter the starting point for the contour in polar coordinates.
4. Enter any additional commands in G code format, as required.
5. Press the "Accept" softkey.
6. Enter the individual contour elements.
Description
Plane selection:
1)
G17 (XY)
Cartesian:
Starting point in X direction (abs)
Starting point in Y direction (abs)
Polar:
Pole position in X direction (abs)
Pole position in Y direction (abs)
Distance between pole and starting point for contour (abs)
Polar angle between pole and starting point for contour (abs)
Additional G code commands
Operating Manual, 01/2008, 6FC5398-7AP10-0BA0
Unit
mm
mm
mm
mm
mm
Degrees
HMI sl Turning