Circumferential Milling - Siemens SINUMERIK 840D sl Function Manual

W5: 3D tool radius compensation - 840D sl only

23.2 Circumferential milling

23.2 Circumferential milling
Circumferential milling
The variant of circumferential milling used here is implemented through the definition of a path
(directrix) and the associated orientation. In this machining mode, the tool shape is irrelevant
on the path and at the outside corners. The only decisive factor is the radius at the tool contact
point.
Figure 23-3
Insertion depth (ISD)
Program command ISD (insertion depth) is used to program the tool insertion depth for
circumferential milling operations. This makes it possible to change the position of the
machining point on the outer surface of the tool.
ISD defines the distance between cutter tip FS and cutter construction point FH. Point FH is
obtained by projecting the programmed machining point onto the tool axis. ISD is evaluated
only when 3D TRC is active.
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Circumferential milling
Function Manual, 01/2015, 6FC5397-2BP40-5BA2
Special functions