Siemens SINUMERIK 840D sl Operating Manual page 378

Programming technology functions (cycles)
8.4 Milling
Machining type
The cycle makes a distinction between roughing and finishing:
● Roughing:
● Finishing:
Depth infeed always takes place outside the workpiece.
For a workpiece with edge breaking, select the rectangular spigot cycle.
In face milling, the effective tool diameter for a tool of type "Milling cutter" is stored in a
machine data item.
Selecting the machining direction
Toggle the machining direction in the "Direction" field until the symbol for the required
machining direction appears.
● Same direction of machining
● Alternating direction of machining
Selecting limits
Press the respective softkey for the required limit.
The selected limits are shown in the help screen and in the broken-line graphics.
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Milling the surface
Tool turns above the workpiece edge
Milling the surface once
Tool turns at safety distance in the X/Y plane
Retraction of milling cutter
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Left
Top
Bottom
Right
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Turning