840D/828D SINUMERIK Operate Page 25
B500
B500
Notes
Milling Section 5
Unit
Reference
point
(Rectangular
pocket)
The following various locations of the reference
point can be selected:
Centre
Bottom left
Bottom right
Top left
Top right
CP
Positioning angle for machining range
(only for front Y)
Degrees
C0
Positioning angle for machining face
(only for mantle Y)
Degrees
Ø
(Circular
pocket)
Diameter of the pocket
mm
Ø
(Circular
spigot)
Diameter of the spigot
mm
Ø
(Thread-
milling)
Nominal diameter,
Example: Nominal diameter of M12 = 12 mm
mm
Ø1
(Circular
spigot,
polygon)
Diameter of the raw-material spigot
mm
Ø1
(Circular
pocket)
Diameter of pre-machining (only for follow-up
machining)
mm
D
Cutting edge number of the tool (1 - 9)
Thread
sense
(Thread-
milling)
Sense of the thread:
Right hand thread
A right-hand thread is milled
Left thread
A left-hand thread is milled
Rotation
(Milling)
Rotation clockwise
Rotation counter-clockwise