Siemens SINUMERIK 840D sl Operating Manual page 312

Programming technology functions (cycles)
8.1 Drilling
Parameter Description
Peripheral surface C:
X0 Cylinder diameter ∅ (abs)
Z0 Z coordinate of the reference point (abs)
α0 Starting angle for first position referred to the Y axis.
Positive angle: Circle is rotated counterclockwise.
Negative angle: Circle is rotated clockwise.
α1 Advance angle - (for pitch circle only)
N Number of positions
only for
ShopTurn)
Peripheral surface Y:
X0 X coordinate of the reference point (abs)
C0 Positioning angle for machining surface
Y0 Y coordinate of the reference point (abs)
Z0 Z coordinate of the reference point (abs)
α0 Starting angle for first position referred to the Y axis.
Positive angle: Circle is rotated counterclockwise.
Negative angle: Circle is rotated clockwise.
α1 Advance angle - (for pitch circle only)
N Number of positions
R Radius
Positioning
Straight line: Next position is approached linearly in rapid traverse.
•
(only for
Circular: Next position is approached along a circular path at the feedrate defined in
•
ShopTurn)
the machine data.
312
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Unit
mm
mm
Degrees
Degrees
mm
Degrees
mm
mm
Degrees
Degrees
mm
Turning