CNC 8070
7
·119·
(REF: 1709)
THE SPINDLE. BASIC CONTROL.
The CNC can have up to four spindles distributed between the various channels of the
system. A channel may have one, several or no spindles associated with it.
Each channel can only control its spindles; it is not possible to start up or stop the spindles
of another channel directly. Indirectly, the CNC can control the spindles of another channel
using the instruction #EXBLK.
Multi-spindle channel
A multi-spindle channel is one that has two or more spindles. Via part-program or MDI, it is
possible to indicate which spindle the commands are directed to; when not indicated, the
commands are directed to the master spindle of the channel.
All the spindles of the channel may be running at the same time. Also, each of them may
be in a different mode; turn in different directions, be in positioning mode, etc.
Master spindle of the channel
The master spindle is the main spindle of the channel. In general, whenever a channel has
a single spindle, it will be its master spindle. When a channel has several spindles, the CNC
will choose the master spindle according to the established criteria. See "7.1 The master
spindle of the channel" on page 120.
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