
B–63610EN/01
4. DESCRIPTION OF PARAMETERS
327
7640
Master axis in spindle–spindle polygon turning
7641
Polygoon synchronus axis in spindle–spindle polygon turning
[Data type] Byte
[Valid data range] 0, 1 to Number of spindles
These parameters set the master and polygoon synchronus (slave) axes in
spindle–spindle polygon turning.
Settings 1 : First serial spindle
2 : Second serial spindle
NOTE
1 Spindle–spindle polygon turning is enabled only for serial
spindles.
2 When either of parameters No. 7640 and No. 7641 is set to
0, the first spindle (master axis) and second spindle (polygon
synchronous axis) are used for polygon turning.
3 When the second serial spindle is used as a master axis, and
the S command is to be used for the master axis, the
multi–spindle control option is required.
4 When the PMC window function or G10 command is used
to rewrite this parameter, rewrite this parameter before the
block specifying the spindle–spindle polygon command
G51.2 (G251). When the PMC window function is used to
rewrite this parameter in the block immediately before G51.2
(G251), specify the rewriting of this parameter by using an
M code (parameter No. 3411 and up) without buffering.