Siemens SINUMERIK 840D Operation/Programming Manual page 276

3
Programming with ShopMill
3.8 Milling
Machining type
Select with softkey
Call help display with
the key
3-276
Y
Contour approach/retraction along semi-circle with CW rotating spindle and
conventional milling operation
You can select the machining mode for milling the circular spigot as
follows:
•
Roughing
Roughing involves moving round the spigot until the programmed
finishing allowance has been reached.
•
Finishing
If you have programmed a finishing allowance, the spigot is
moved round until depth Z1 is reached.
•
Chamfer
Chamfering involves edge breaking at the upper edge of the
circular spigot.
Spigot >
Help display for milling a circular spigot
SINUMERIK 840D/840Di/810D Operation/Programming ShopMill (BAS) – 10.04 Edition
Contour approach
X
Contour retraction
Circular
spigot
 Siemens AG, 2004. All rights reserved
3
10.04