Non-Circular Grinding Via Master Value Coupling - Siemens SINUMERIK 840D sl Function Manual
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- Function manual (2184 pages) ,
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Examples
4.7 Axis couplings via synchronized actions
N270 ID=3 EVERY $R2==1 DO
MOV[BACH]=1 FA[BACH]=R5
N275 ID=4 EVERY $R2==0 DO
MOV[BACH]=0
N280 M00
N285 STOPRE
N290 R1=0
N295 R2=0
N300 R5=180
N305 M30
4.7.2
Non-circular grinding via master value coupling
Task assignment
A non-circular workpiece that is rotating on axis CACH must be machined by grinding. The
distance between the grinding wheel and workpiece is controlled by axis XACH and depends
on the angle of rotation of the workpiece. The interrelationship between angles of rotation and
assigned movements is defined in curve table 2. The workpiece must move at velocities that
are determined by the workpiece contour defined in curve table 1.
Solution
CACH is designated as the leading axis in a master value coupling. It controls:
● via table 2 the compensatory movement of the axis XACH
● via table 1 the "software axis" CASW.
The axis override of axis CACH is determined by the actual values of axis CASW, thus
providing the required contour-dependent velocity of axis CACH.
148
;
Rotate leading axis with feedrate endlessly
in R5
;
Stop leading axis
;
Disable coupling condition
;
Disable condition for rotating leading axis
;
New feedrate for BACH
Function Manual, 08/2018, 6FC5397-5BP40-6BA2
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