
4.DESCRIPTION OF PARAMETERS B-63530EN/03
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Master axis in polygon machining with two spindles
7640
Polygon synchronous axis in polygon machining with two spindles
7641
[Data type] Byte
[Valid data range] 0, 1 to number of spindles, or
m × 10 + n (m:1 to number of paths, n:1 to number of spindles)
These parameters set the master and polygon synchronous (slave) axes
in polygon machining with two spindles.
[Settings] 1 to 4 : First to fourth serial spindles of the local path
11 to 14 : First to fourth serial spindles of path 1
21 to 24 : First to fourth serial spindles of path 2
31 to 32 : First to second serial spindles of path 3
NOTE
1 Polygon machining option with two spindles is
enabled only for serial spindles.
2 When any one of parameters No. 7640 and No.
7641 is set to 0, polygon turning is performed using
the first spindle (master axis) and the second
spindle (polygon synchronous axis) in the path to
which the parameter belongs.
3 When one of the second to fourth serial spindles 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 polygon
machining command G51.2 (G251) with two
spindles. 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 (parameters No.
3411 to No. 3420) without buffering.