Siemens SINUMERIK 840D sl Operating Manual page 209

Procedure for entering or changing contour elements
Parameters for contour element "Straight line"
Parameter
X
Z
α1
α2
Transition to next element
Type of transition
R
Undercut selection
HMI sl Turning
Operating Manual, 01/2008, 6FC5398-7AP10-0BA0
1. Select a contour element via softkey.
The "Straight Z" input window opens.
- OR
The "Straight X" input window opens.
- OR
The "Straight ZX" input window opens.
- OR
The "Circle" input window opens.
2. 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.).
3. Press the "Accept" softkey.
The contour element is added to the contour.
4. Repeat the procedure until the contour is complete.
5. Press the "Accept" softkey.
The programmed contour is taken into the machining plan.
6. If you want to display further parameters for certain contour elements,
e.g. to enter additional commands, press the "All parameters" softkey.
Description
End point X∅ (abs) or end point X (ink) - (only for straight X and ZX)
Incremental dimensions: The sign is also evaluated.
End point Z (abs or inc) - (only for straight Z and XZ)
Incremental dimensions: The sign is also evaluated.
Starting angle to Z axis
Angle to the preceding element
Radius
•
• Undercut - (only for straight X and ZX)
Chamfer
•
Transition to following element - radius
Form E
Form F
Undercut size
e.g. E1.0x0.4
Undercut size
e.g. F0.6x0.3
Programming a cycle
4.6 Contour turning
Unit
mm
mm
Degrees
Degrees
mm
mm
209