Operating manual.
CNC 8060
CNC 8065
22.
SETUP ASSISTANCE
The circularity (roundness) test
·428·
(REF: 1807)
22.3.7 Adjustment of the machine parameters involved
The best adjustment of the backlash peak may require modifying the value of certain
machine parameters. This may be done directly in this window, thus without having to go
to the machine parameter table. The parameters may be modified before or during the test.
When turning the CNC on, it assumes the new values in the CNC tables and/or in the drive
tables accordingly. When changing these values, the changes are effective immediately and
are assumed by the CNC until the unit is turned off. Once the setup is completed, the changes
must be validated so they can be effective next time the CNC is turned on.
Selection of the parameters to be displayed
It is possible to interact with up to 11 different machine parameters. Some of these
parameters are always visible, but some may be defined at will. However, the CNC will only
admit the valid parameters for this type of adjustment. See
"22.3.9 Machine parameters that
may be modified" on page 431.
BACKLASH
BAKANOUT Additional velocity command pulse
BAKTIME Duration of the additional velocity command pulse
When using Fagor Sercos drives, the drive parameters may also be adjusted.
In a Mechatrolink bus, access to variables and parameters of the device is only available
for the Mlink-II mode with 32 bytes. The circularity test can access the parameters of the
device using its identifier (hexadecimal number between P0000 and PFFFF).
How to select the parameters
The parameter setting area shows three data columns. The parameters are defined in the
first column. The rest of the fields show the parameter value for each axis.
The list of valid parameters is shown when editing a parameter or pressing [SPACE]. Use
the
[][] keys to move through the list and [ENTER] to select one of them. Once selected,
the rest of the fields show the parameter value for each axis.
To select the parameters of the drive, simply write their names.
Save the value of the parameters
The new data is assumed by the CNC until the unit is turned off. Once the setup is completed,
the changes must be saved so they can be effective next time the CNC is turned on. Use
the "Validate" softkey to save the data. The CNC saves the new values in the CNC tables
and/or in the drive tables accordingly.
When quitting the circularity test without having saved the parameters, the CNC will show
a message warning about it and will give a chance to save them.
Password-protected parameters
If the machine parameters are protected, a password will be requested when trying to modify
them. If entered correctly, it stores it and it does not request it again unless the CNC is turned
off. If the password is wrong, the values cannot be modified and it requests it again every time.
The test may be executed even when not knowing the access password, but the machine
parameters cannot be changed. The access passwords are determined from the utilities
mode.
Initialize the value of the parameters
When turning the CNC on, it assumes the new values set by the manufacturer in the CNC
tables and/or in the drive tables accordingly. The values used the last time will be kept for
when accessing the test again later.
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