Milling; Face Milling (Cycle61) - Siemens SINUMERIK 840D sl Operating Manual

10.4

Milling

10.4.1

Face milling (CYCLE61)

Function
You can face mill any workpiece with the "Face milling" cycle.
A rectangular surface is always machined. The rectangle is obtained from corner points 1 and
2 - which for a ShopTurn program - are pre-assigned with the values of the blank part
dimensions from the program header.
Workpieces with and without limits can be face-milled.
Clamping the spindle
For ShopTurn, the "Clamp spindle" function can be set up by the machine manufacturer.
See also
Clamping the spindle (Page 248)
Approach/retraction
1. For vertical machining, the starting point is always at the top or bottom. For horizontal
machining, it is at the left or right.
The starting point is marked in the help display.
2. Machining is performed from the outside to the inside.
Machining type
The cycle makes a distinction between roughing and finishing:
● Roughing:
Milling the surface
Tool turns above the workpiece edge
● Finishing:
Milling the surface once
Tool turns at safety distance in the X/Y plane
Retraction of milling cutter
Depth infeed always takes place outside the workpiece.
For a workpiece with edge breaking, select the rectangular spigot cycle.
Turning
Operating Manual, 05/2017, A5E40868721
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Programming technology functions (cycles)
10.4 Milling
425