Siemens SINUMERIK 840D Operation/Programming Manual page 434

9
Examples
9.4 Example 4: Slot side compensation
Program
1. Program header
2. Activate the work offset
in the program
3. Position the Y axis
4. Activate cylinder surface
transformation
9-434
The work offset calculated from these is entered in the work offset list.
• The blank dimensions correspond to the developed cylinder
peripheral surface.
X0 0 abs Y0 0 abs
X1 -130 abs Y1 157.08 abs
RP 50 SC 1
Note: Y1 is calculated according to equation: Y1 = ∅ • π
In this case: Diameter 50 multiplied by 3.14...
• Press the
Select work offset for cylinder surface transformation (e.g. offset the
zero point on the center point of the cylinder end face).
• Select via the
• Select the required work offset and then press the
softkey.
Position the tool in the Y axis over the center of the cylinder. The
reason for this is that the Y axis is not traversed after cylinder surface
transformation is selected.
• Select via the
• Enter parameters:
X 10 abs Y 0 abs
F *rapid traverse* mm/min Radius compensation off
• Press the
• Select via the
• Enter parameters:
Transformation
∅
Slot wall offset
D
Note: D is the distance from the imaginary center-point path to the
slot wall.
• Press the
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
Z0 25 abs
Z1 22 abs
softkey.
Transfor- Work
mations>
offset
Straight
line
softkeys
Z 40 abs
softkey.
Transfor- Cylinder
mations> surface >
On
50
On
6
softkey.
 Siemens AG, 2004. All rights reserved
9
10.04
>
softkeys
softkeys