Operating manual
CNC 8070
MACHINE PARAMETERS
19.
(REF: 1505)
·343·
Operations with tables
19.3.4 Importing and exporting compensation tables.
The cross compensation and leadscrew error compensation tables are saved and restored
with the rest of general parameters and axis parameters using the softkeys "Save table"
"Restore table". These tables may be exported and imported individually using the softkeys
"Export table" and "Import table".
When saving the cross compensation and leadscrew error compensation tables, we
recommend to use the axis name as the file name in order to identify it more easily; for
example, LSCRWX.mp for leadscrew error compensation tables and CROSS_XY.mp for
cross compensation tables.
Generating the ASCII file for cross compensation and leadscrew
error compensation manually.
In order to save time and eliminate transcription errors, instead of entering the data manually,
it is possible to adapt the format of a text file that contains the result of the measurement
and import it later on. The file of points must have the extension mp and meet the following
requirements.
• The points of the table must be ordered by their position on the axis and the table must
begin by the most negative point (or least positive) to be compensated. For axis
positioning outside this area, the CNC will apply the compensation that was defined for
the nearest end.
• The machine reference point, whose position is indicated in parameter REFVALUE, must
have ·0· error.
• For the leadscrew error compensation table, the maximum slope allowed is ·1·; i.e. the
compensation steps must not exceed the position step between two consecutive points.
The format of the file must be like in the following example. The first column, as well as the
titles of the columns, are optional and do not appear in the mp file when exporting the tables.
The data of the tables may be separated by a blank space or by a tabulator.
When using bi-directional compensation, a new column must be inserted in the table with
the amount of error to be compensated when moving in the negative direction.
This softkey may be used to save the machine parameter table in an ASCII file.
This softkey saves all the parameters of the table.
This softkey may be used to restore the machine parameter table from an ASCII
file. This softkey restores all the parameters of the table.
When loading general parameters or axis parameters, neither the cross
compensation tables nor the leadscrew error compensation tables are used.
This softkey may be used to export the cross compensation or leadscrew error
compensation table being displayed out to an ASCII file.
This softkey may be used to import the cross compensation and leadscrew error
compensation table from an ASCII file.
POINT POSITION POSERROR
0 -10,0000 -0,0023
1 0,0000 -0,0007
2 10,0000 0,0043
3 20,0000 0,0036
... ... ...
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