Siemens SINUMERIK 828D Programming Manual page 542

Axis couplings
9.5 Synchronous spindle
Difference in speed for COUPONC
Transfer of a movement for difference in speed
When a synchronous spindle coupling is activated with
overlaid on the following spindle (
Note
Enabling overlaying
Overlay of a spindle speed (
COUPONC
Dynamic restriction of the leading spindle
The dynamic responses of the leading spindle have to be restricted to such an extent that
when overlaying is applied to the following spindle, its dynamics limit values are not
exceeded.
Velocity, acceleration: FA, ACC, OVRA, VELOLIMA
Axial velocity and acceleration of a following spindle can be programmed with:
●
●
●
●
When
Reference:
Programming Manual Fundamentals
Note
Acceleration component JERKLIMA[S<n>]
Programming an increase or reduction in axial velocity is currently ineffective for spindles.
Further information about configuring the axial dynamic response is provided in:
Reference:
Function Manual Extended Functions; Rotary Axes (R2)
Programmable block change behavior WAITC
WAITC
parameters or positioning actions, with a variety of synchronism conditions (coarse, fine,
IPOSTOP
the
Example:
Wait for synchronism condition according to
WAITC( )
Wait for synchronism condition
fulfilled for following spindle S4:
WAITC(S2,"FINE",S4,"COARSE")
542
only becomes effective if the overlay has been enabled.
or
FA[SPI(S<n>)] FA[S<n>]
or
ACC[SPI(S<n>)] ACC[S<n>]
and
OVRA[SPI(S<n>)] OVRA[S<n>]
and
VELOLIMA[SPI(S<n>)]
respectively)
= 1, 2, 3, ... (spindle numbers of the following spindles)
<n>
can be used to define block change behavior, for example after a change to coupling
). If no synchronism conditions are specified, the block change behavior specified in
definition will apply.
COUPDEF
or
M3 S... M4 S...
or ) using a synchronous spindle coupling
M3 S... M4 S...
(axial velocity)
(axial acceleration)
(axial override)
(increase and reduction of axial velocity
VELOLIMA[S<n>]
COUPDEF
to be fulfilled for following spindle S2 and
FINE
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
a currently active speed is
COUPONC
).
to be fulfilled
to be
COARSE
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