Units - Predrilling In C Axis; Predrilling, Contour Milling, Figures Unit - HEIDENHAIN CNC PILOT 640 User Manual

smart.Turn units | Units – Predrilling in C axis
2.6 Units – Predrilling in C axis

Predrilling, contour milling, figures 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_STI_KON_C / cycles: G840 A1; G71
"G840 – calculating hole positions",
Further information:
Page 417
Further information: "Simple drilling G71", Page 373
Figure form:
Q: Type of figure
0: Complete circle
1: Linear slot
2: Circular slot
3: Triangle
4: Rectangle / square
5: Polygon
QN: No. of polygon corners (only with Q = 5: Polygon)
X1: Dia. of figure center
C1: Angle of figure center (default: Spindle angle C)
Z1: Millg. top edge (default: Starting point Z)
P2: Depth of figure
L: +edge lngth/-width a. flats
L > 0: Edge length
L < 0: Width across (inside diameter) for polygon
B: Width of rectangle
RE: Rounding radius (default: 0)
A: Angle to X axis (default: 0°)
Q2: Rot. direction of slot (only with Q = 2: Circular slot)
cw: In clockwise direction
ccw: In counterclockwise direction
W: Angle of slot end point (only with Q = 2: Circular slot)
Program only the parameters relevant to the selected
figure type.
HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
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