FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

PROGRAMMING
B–62754EN/01
15. COMPENSATION FUNCTION
251
The following example shows a machining area which cannot be cut
sufficiently.
ȏ
1
ȏ
2
r
r
22.5_
Tool nose radius
center path
Programmed path
with chamfering
Machining area
remaining
In inner chamfering, if the portion of the programmed path that is not a
part of the chamfering (in the above figure ȏ
1
or ȏ
2
) is in following
range, insufficiently cut are will exist.
0
1
or ȏ
2
t
r@tan 22.5° (r : too nose radius)
Enlarged view on the remaining machining area
3
1
2
ȏ
2
Although the tool should be positioned at 2 in the above figure, the tool
is positioned at 1 (the tool nose is tangent to line L).
Thus, area 3 is not machined.
P/S alarm No.52 or 55 is displayed in the following cases :
P
1
The alarm is displayed
at this path
Limit of programmed path with chamfering
End point P
2
Programmed
path
Tool nose radius
center path
Tool nose center path with chamfering
Tool nose center path without
chamfering
Start point
D When machining area
remains or an alarm is
generated

Leave a Reply

Your email address will not be published. Required fields are marked *