Siemens SINUMERIK 840D sl Operating Manual page 510

Programming technology functions (cycles)
10.5 Contour milling
Additional functions
The following additional functions are available for programming a contour:
● Tangent to preceding element
You can program the transition to the preceding element as tangent.
● Dialog box selection
If two different possible contours result from the parameters entered thus far, one of the
options must be selected.
● Close contour
From the actual position, you can close the contour with a straight line to the starting point.
Procedure for entering or changing contour elements
510
1. The part program or ShopTurn program to be executed is created.
2. Select the file type (MPF or SPF), enter the desired name of the program
and press the "OK" softkey or the "Input" key.
This editor is opened.
3. Select a contour element via softkey.
The input window "Straight (e.g. X)" opens.
- OR
The input window "Straight (e.g. Y)" opens.
- OR
The input window "Straight (e.g. XY)" opens.
- OR
The "Circle" input window opens.
- OR
The "Pole Input" input window opens.
4. Enter all the data available from the workpiece drawing in the input screen
(e.g. length of straight line, target position, transition to next element,
angle of lead, etc.).
5. Press the "Accept" softkey.
The contour element is added to the contour.
Operating Manual, 05/2017, A5E40868721
Turning