Siemens SINUMERIK 840DE Programming Manual page 285
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Or
S...
Or
Sn=...
Or
SETMS(n) or SETMS
Parameters
M1=3 M1=4 M1=5
M3
M4
M5
S...
Sn...=
SETMS(n)
SETMS
Spindle speed S
The speed specified with S... or S0=... applies to the master spindle. You specify the
corresponding number for additional spindles: =..., S2=...
Note
Three S values can be programmed per NC block.
Example of master spindle with workspindle
S1 is the master spindle, S2 is the second spindle. The part is to be machined from two
sides. To do this, it is necessary to divide the operations into steps. After the cut-off point,
the synchronizing device (S2) takes over machining of the workpiece after the cut off. To do
this, this spindle S2 is defined as the master spindle to which G95 then applies.
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
7.12 Spindle speed (S), direction of spindle rotation (M3, M4, M5)
Spindle rotation clockwise/counterclockwise, spindle stop
for spindle 1. Other spindles are defined according to
M2=... M3=...
Direction of spindle rotation clockwise for master spindle
Direction of spindle rotation counterclockwise for master
spindle
Spindle stop for master spindle
Spindle speed in rpm for the master spindle
Spindle speed in rpm for spindle n
Set spindle specified in n as master spindle
Reset to the master spindle defined in machine data
Feedrate Control and Spindle Motion
7-35
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