Siemens SINUMERIK 840D sl Programming Manual page 222

Measuring variants
3.3 Measure workpiece (milling)
Calculating and activating the swivel data sets
After measuring the three sphere positions that are required in each case for all the relevant
rotary axes, the entire set of swivel data sets can be calculated by means of CYCLE996.
CYCLE996 should be parameterized and called for this purpose.
Correction target
In the "Calculate kinematics" screen form, in the "offset target" field, you can set whether
vectors will "only" be calculated (measuring only) or whether the calculated vectors will be
saved in the swivel data set. Before saving, the user can decide whether the calculated swivel
data set will be displayed and changed. If the calculated swivel data set should not be
displayed, the user can decide whether the swivel data set should be immediately overwritten.
In all other cases, before saving the swivel data set, the operator is prompted to make a
selection.
Table 3-32
Parameter
Display data set
Data set can be changed
Confirm the change
- entry field is not displayed
In addition, the swivel data set can be saved as data file ("save data set").
The data file is stored in the current workpiece folder "WKS.DIR", "MPF.DIR", or "SPF.DIR".
The storage location of the data file is in the current NC data path (if nested, in the path of the
smallest program level). The file name corresponds to the name of the swivel data set, and is
generated with a count index "_M1" to "_M99".
The data file contains the syntax of the parameters of the swivel data set of the NC function
TCARR, e.g. :
$TC_CARR1[1]=-426.708853 $TC_CARR2[1]=-855.050806 ... ;I1xyz.
If a transformation type <> 72 is set in the machine data for the dynamic transformation
(TRAORI), the calculated vectors are saved in the protocol file also as machine data.
Saving the log file
When calculating the kinematics, before calling CYCLE996, the log cycle (CYCLE150) can be
called. A log file is created with the measured and calculated vectors of the kinematics.
222
Display options in the "Calculate kinematics" screen form
Measuring only
Yes
-
-
Swivel data set
No No
- -
- Yes/no
Programming Manual, 12/2017, 6FC5398-4BP40-6BA1
Yes
Yes/no
-
Measuring cycles