HEIDENHAIN MANUALplus 620 117
2.9 Units—Milling, Face
"ICP contour milling, face" unit
The unit mills the contour defined with ICP on the face of the
workpiece.
Unit name: G840_Kon_C_Stirn / Cycle: G840 (see page 330)
Access to the technology database:
Machining operation: Finish-milling
Affected parameters: F, S, FZ, P
Contour form
FK see page 48
Z1 Milling top edge
P2 Depth of contour
APP Approach: see page 51
DEP Departure: see page 51
Cycle form
JK Milling location
0: On the contour
1, closed contour: Within the contour
1, open contour: Left of the contour
2, closed contour: Outside the contour
2, open contour: Right of the contour
3: Depends on H and MD
H Mill cutting direction
0: Up-cut milling
1: Climb milling
P Maximum approach (maximum infeed)
I Contour-parallel oversize
K Infeed-direction oversize
FZ Approach feed (infeed rate)
E Reduced feed rate
R Approach radius
O Plunging behavior
0: Straight (vertical plunge)—The cycle moves the tool to
the starting point; the tool plunges at feed rate and mills
the contour.
1: In predrilling—The cycle positions the tool above the
hole; the tool plunges and mills the contour.
NF Position mark (only if O=1)
RB Return plane
Further forms: see page 46
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