Siemens SINUMERIK 840D sl Operating Manual page 310

Programming technology functions (cycles)
8.1 Drilling
Parameter Description
LAB Repeat jump label for position
(only for G code)
PL Machining plane
(only for G code)
Circular pattern Selection option for the following patterns:
Pitch circle
•
Full circle
•
X0 X coordinate of the reference point (abs)
Y0 Y coordinate of the reference point (abs)
α0 Starting angle for first position referred to the X axis.
Positive angle: Circle is rotated counterclockwise.
Negative angle: Circle is rotated clockwise.
α1 Advance angle - (for pitch circle only)
R Radius
N Number of positions
Positioning
Straight line: Next position is approached linearly in rapid traverse.
•
(only for G code)
Circular: Next position is approached along a circular path at the feedrate defined in
•
the machine data.
Machining
Face C
•
surface
Face Y
•
(only for
Peripheral surface C
•
ShopTurn)
Peripheral surface Y
•
Position
At the front (face)
•
(only for
At the rear (face)
•
ShopTurn)
Outside (peripheral surface)
•
Inside (peripheral surface)
•
Selection options for the following positions - (only for face C/Y)
Position
center
•
(only for
off-center
•
ShopTurn)
310
Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
Unit
mm
mm
Degrees
Degrees
mm
Turning