HEIDENHAIN ND 920 - Manual (Page 24)

24
Bolt Hole Circles and Bolt Circle Segments
Your display unit enables you to quickly and easily drill bolt hole circles
and bolt hole circle segments. The required data is requested in the
message field.
Each hole can be moved to by traversing to display value zero. This
requires entry of the following data:
• Number of holes (maximum: 999)
• Circle center
• Circle radius
• Starting angle for first hole
• Angle step between the holes (only for circle segments)
• Hole depth
Example
Number of holes 8
Coordinates of the center X = 50 mm
Y = 50 mm
Circle radius 20 mm
Starting angle 30 degrees
Hole depth Z = -5 mm
Bolt Hole Circles
Y
X
30
°
R20
50
50
0
0