6 units—pr e dr illing in c axis – HEIDENHAIN SW 548328-05 DIN Programming User Manual
Page 109
HEIDENHAIN MANUALplus 620, CNC PILOT 620/640
109
2.6 Units—Pr
e
dr
illing in C axis
"Predrill, contour mill, figures on lateral surface"
unit
The unit determines the hole position and machines the hole. The
subsequent milling cycle obtains the hole position from the reference
stored in NF.
Unit name: DRILL_MAN_KON_C / Cycles: G840 A1 (see page 349);
G71 (see page 315)
Access to the technology database:
Machining operation: Drilling
Affected parameters: F, S
Figure form
Q
Type of figure
0: Full circle
1: Linear slot
2: Circular slot
3: Triangle
4: Rectangle, square
5: Polygon
QN
Number of polygon corners—only with Q=5 (polygon)
Z1
Figure center
C1
Angle of figure center
CY
Figure center of unrolled lateral surface
X1
Milling top edge
P2
Depth of figure
L
Edge length / width across flats
L>0: Edge length
L<0: Width across flats (inside diameter) for polygon
B
Rectangle width
RE
Rounding radius
A
Angle to Z axis
Q2
Rotational direction of slot—only if Q=2 (circular slot)
cw: In clockwise direction
ccw: In counterclockwise direction
W
Angle of slot end point—only if Q=2 (circular slot)
Program only the parameters relevant to the selected
figure type.