5 Calibration information
5.0.2 Calibration methods
116 3HAC026320-001 Revision: A
Levelmeter Cali-
bration - alterna-
tive method
Levelmeter Calibration is referred to as the alternative method for calibration of ABB robots,
because of the less accurate values obtained during calibration. The method uses the same
principles as Calibration Pendulum but does not have as good of mechanical tolerances to the
toolkit parts as the standard method with Calibration Pendulum.
This method may, after calibration, require modifications in the robot program, and is there-
fore not recommended.
The calibration equipment for Levelmeter Calibration is ordered as separate parts for each
robot and the operating manual for Levelmeter Calibration is enclosed with the Levelmeter
2000.
CalibWare - Abso-
lute Accuracy cal-
ibration
In order to achieve a good positioning in the Cartesian coordinate system, Absolute Accuracy
is used as a TCP calibration. The tool CalibWare guides through the calibration process and
calculates new compensation parameters. This is detailed further in the manual CalibWare 2.0
Users Guide (M2000).
If a service operation is done to a robot with Absolute Accuracy, a new absolute accuracy cal-
ibration is required in order to establish full performance. For most cases after motor and
transmission replacements that do not include taking apart the robot structure, standard cali-
bration is sufficient. Standard calibration also supports wrist exchange.
References
Article numbers for the calibration tools are listed in section Special tools in part 2 of the
Product manual. A calibration manual is enclosed with the calibration tools.
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