HEIDENHAIN MANUALplus 620 157
3.3 Units—Milling in Y Axis
"Centric polygon milling, XY plane" unit
The unit mills the centric polygon defined with ICP in the XY plane.
Unit name: G843_Y_STI / Cycles: G843 (see page 413); G844 (see
page 414)
Access to the technology database:
Machining mode: Milling
Affected parameters: F, S, FZ, P
Parameters on the Contour form
FK see page 48
APP Approach: see page 51
DEP Departure: see page 51
Parameters on the Cycle form
QK Machining operation:
0: Roughing
1: Finishing
P Maximum approach (infeed)
I Contour-parallel oversize
K Infeed-direction oversize
H Cutting direction
0: Up-cut milling
1: Climb milling
U Overlap factor (default: 0.5)
V Overrun factor
FZ Approach feed (infeed rate)
RB Return plane
Further forms: see page 46