Siemens SINUMERIK 840D sl Operating Manual page 176

Programming a cycle
4.4 Drilling
Parameter
Parameter
LAP
PL
Circular pattern
X0
Y0
α0
α1
R
N
Positioning type
1) Parameter description refers to plane G17; plane selection G18 or G19 possible in selection field
(MD 52005: $MCS_DISP_PLANE_MILL)!
176
Description
Repeat jump label for position
Machining plane:
1)
G17 (XY)
Pitch circle
•
Full circle
•
Reference point X
Reference point Y
Starting angle for first position.
Positive angle: Full circle is rotated counterclockwise.
Negative angle: Full circle is rotated in clockwise direction.
Advance angle - (for pitch circle pattern only)
After the first hole has been drilled, all further positions are advanced by this
angle.
Positive angle: Further positions are rotated counterclockwise.
Negative angle: Further positions are rotated clockwise.
Radius
Number of positions
Straight line
•
Next position is approached linearly at rapid traverse.
Circle
•
Next position is approached at the programmed feedrate (FP) along a circular
path.
Operating Manual, 01/2008, 6FC5398-7AP10-0BA0
Unit
mm
mm
Degrees
mm
HMI sl Turning