2.6 Spindle motion
2.6.1 Spindle speed (S), spindle direction of rotation (M3, M4, M5)
The spindle speed and direction of rotation values set the spindle in rotary motion and provide
the conditions for chip removal.
Other spindles may be available in addition to the main spindle (e.g. the counterspindle or an
actuated tool on turning machines). As a rule, the main spindle is declared the master spindle
in the machine data. This assignment can be changed using an NC command.
Syntax
S... / S<n>=...
M3 / M<n>=3
M4 / M<n>=4
M5 / M<n>=5
SETMS(<
n>)
...
SETMS
Meaning
S…: Spindle speed in rpm for the master spindle
S<n>=...: Spindle speed in rpm for spindle <n>
Note:
The speed specified with S0=… applies to the master spindle.
Fundamentals
2.6 Spindle motion
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0 89
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