Siemens SINUMERIK Series Function Manual page 710
Extended functions
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S3: Synchronous spindle
13.1 Brief description
Change protection for coupling characteristics
The channel-specific MD21340 $MC_COUPLE_IS_WRITE_PROT_1 is used to define
whether or not the configured coupling parameters Transformation ratio, Type of coupling
and Block change response can be altered by the NC part program:
0: Coupling parameters can be altered by the NC part program via command
1: Coupling parameters cannot be altered by the NC part program. Attempts to make
changes will be rejected with an alarm message.
Superimposed motion
In synchronous operation, the synchronous spindle copies the movement of the leading
spindle in accordance with the programmed transformation ratio.
At the same time, the synchronous spindle can also be traversed with overlay so that the LS
and FS can operate at a specific angular position in relation to one another.
The overlaid traversing movement of the FS can be initiated in various ways:
● Programmable position offset of FS for AUTOMATIC and MDA:
● Manual position offset of FS:
As soon as the FS executes the overlaid traversing movement, IS "Overlaid movement"
(DB31, ... DBX98.4) is set to the 1 signal.
The overlaid movement is executed optimally in terms of time at the maximum possible FS
speed with
specified with FA[Sn] and manipulated by an override (can be selected through IS "Feedrate
override valid for spindle" DB31, ... DBX17.0).
Note
For more information about specifying the position speed with FA[Sn]:
References:
Function Manual, Basic Functions; Spindles (S1), "Spindle modes, positioning operations"
section
710
– The
and
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SPOS
operation to change the position reference between FS and LS (see Section
"Selecting synchronous mode for a part program (Page 712)").
– In JOG (JOG continuous or JOG incremental) mode
Superimposition of FS using the handwheel or with plus or minus traversing keys
when synchronous operation is active.
– In AUTOMATIC and MDA modes
Superimposition of FS with handwheel using DRF offset
. With an offset change by means of SPOS, the positioning velocity can be
COUPON
language commands can be used for active synchronous
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
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Extended Functions
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