HEIDENHAIN MANUALplus 4110 - Manual (Page 214)

214 4 Cycle Programming
4.8 Milling Cy
cles
Cycle run
1 Activate the C axis and position to spindle angle C at rapid traverse
(only in Teach-in mode).
2 Calculate the proportioning of cuts (infeeds to the milling planes,
infeeds in the milling planes).
3 Move to the safety clearance and plunge to the first milling plane.
Roughing
4 Machine the milling plane, taking "J" (unidirectional or bidirectional)
into account.
5 Plunge to the next milling plane.
6 Repeat 4 to 5 until the milling depth is reached.
7 Position to starting point Z and deactivate C axis.
Finishing:
4 Finish-machine the edge of the island—one working plane after
the other.
5 Finish-machine the floor from the outside towards the inside.
6 Position to starting point Z and deactivate C axis.