Siemens SINUMERIK 840D sl Operating Manual page 443

Procedure for entering or changing contour elements
Turning
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
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.
6. When entering data for a contour element, you can program the
transition to the preceding element as a tangent.
Press the "Tangent to prec. elem." softkey. The angle to the preceding
element α2 is set to 0°. The "tangential" selection appears in the
parameter input field.
7. Repeat the procedure until the contour is complete.
8. Press the "Accept" softkey.
The programmed contour is transferred to the machining plan (program
view).
9. If you want to display further parameters for certain contour elements,
e.g. to enter additional commands, press the "All parameters" softkey.
Programming technology functions (cycles)
8.5 Contour milling
443