Siemens Sinumerik 840D Operating Turning page 623

Complex programming example
Confirm your inputs by pressing the VSK 8 "Accept".
Note:
By entering the value for the parameter "Z", the val-
ues for "α1" and "α2" are calculated automatically.
18. Extend the contour by adding a straight line in direc-
tion X.
Press the VSK 1.3 „Straight line X" to open the pa-
rameter for the "Straight line X".
19. Enter the values into the parameter mask as follows:
Confirm your inputs by pressing the VSK 8 "Accept".
Note:
By entering the value for "X" , the values for "α1" and
"α2" are calculated automatically.
20. For closing the contour extend the contour descrip-
tion by adding a straight line in ZX direction.
Press the VSK 1.4 "Straight ZX" to open the parame-
termask for the "Straight ZX" contour element.
21. Enter the values into the parameter mask as follows:
Confirm your inputs by pressing the VSK 8 "Accept".
You have finished the last contour element.
Note:
By entering the values for "Z" and "X", the values for
"α1" and "α2" are calculated automatically.
22. Now, examine the finished contour outline.
For this, switch with the orange selection cursor to
the yellow contour step bar on the left side of the
screen, by pressing blue "cursor-to-the-left"-key on
the keyboard.
Place the orange selection cursor on the "END"-
Symbol in the yellow contour step bar by using the
blue "cursor-down"-key on the keyboard.
The following screen with a sketch of the contour
description will be displayed (see next page).
840D/828D SINUMERIK Operate
Section 3
Notes