
5. AUTOMATIC OPERATION
B–63523EN–1/03
654
CAUTION
1 If feed hold operation is performed during balance cutting
using both tool posts, balance cut processing is not
performed at restart time, it is performed when the next
move command is specified for both tool posts.
2 Balance cutting is not performed in dry run or machine lock
state.
3 When rapid traverse operation is specified, balance cut
processing is not performed.
4 A workpiece for which thread cutting has been performed in
the balance cut mode cannot be subjected to thread cutting
in the cancel mode. Thread cutting starts at a different
position.
5 Balance cut only starts cutting feed on both tool posts at the
same time; it does not maintain synchronization thereafter.
To synchronize all the movements of both tool posts, the
data for both tool posts, such as the travel distance and
feedrate, must be the same.
NOTE
1 Time delay before the pulse distribution of both tool posts
is started is 2 ms or shorter.
2 In the balance cut mode, synchronization is established at
the start of a move block, so movement may momentarily
stop.
3 The cancel mode (G69) is set by a reset.
4 When the option ”mirror image for double turrets” is
selected, the balance cut function cannot be used.
Series
16i/18i/160i/180i/
160is/180is
OPERATOR’S MANUAL
(For Lathe) (B–63524EN)
II. 20.4 Balance Cut (G68, G69)
Caution
Note
Reference item