B500
B500 Page 28 840D/828D SINUMERIK Operate
Notes
Milling Section 5
Unit
I
Circle centre point in X-direction (abs or inc)
mm
J
Circle centre point in Y-direction (abs or inc)
mm
Circular
pattern
(Circular
slot)
Full circle
The circular slots are positioned on a full cir-
cle. The distance of one circular slot to the
next circular slot is always the same and is
determined by the control unit.
Pitch circle
The circular slots are positioned on a pitch
circle. The distance of one circular slot to the
next circular slot can be determined by
means of angle α2.
L1
(Rectangular
pocket)
Length of the pre-machining
(only for further machining)
mm
L1
(Rectangular
spigot)
Length of the raw material spigot
(only for further machining)
mm
L1
(Path milling)
Approach length
(only for approach "Straight")
mm
L2
(Path milling)
Leaving length
(only for leaving "Straight")
mm
L2
(Circle)
(abs) Distance between pole and circle centre
point
(inc) Distance between the last point and circle
centre point
mm
mm
L
Length of pocket, spigot, slot, straight
mm
Location of
the thread
(Thread-
milling)
Location of the thread:
Internal thread
An internal thread is milled
External thread
An external thread is milled
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