HEIDENHAIN SW 54843x-03 DIN Programming - Manual (Page 141)

HEIDENHAIN MANUALplus 620, CNC PILOT 640 141
2.9 Units—Milling, f
a
ce
"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 361)
Contour form
FK
see page 62
NS Starting block no. of contour
NE End block no. of contour
Z1 Milling top edge
P2 Depth of contour
Cycle form
JK
Cutter position
 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: Depending on H and MD
H Cutting direction
 0: Up-cut milling
 1: Climb milling
P Maximum infeed
I Contour-parallel oversize
K Infeed-direction oversize
FZ 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 Retraction plane
Further forms: see page 60