HEIDENHAIN SW 54843x-03 DIN Programming - Manual (Page 177)

HEIDENHAIN MANUALplus 620, CNC PILOT 640 177
3.3 Units—Milling in Y axis
"Single-surface milling, XY plane" unit
The unit mills a single surface defined with ICP in the XY plane.
Unit name: G841_Y_STI / Cycles: G841 (see page 527); G842 (see
page 528)
Access to the technology database:
 Machining operation: Milling
 Affected parameters: F, S, FZ, P
Parameters on the Contour form
FK
see page 62
NS Starting block no. of contour
Parameters on the Cycle form
QK
Machining operation:
 0: Roughing
 1: Finishing
P Maximum 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 Infeed rate
RB Retraction plane
Further forms: see page 60