5.4 Calibrating with Axis Calibration method
5.4.1 Description of Axis Calibration
Instructions for Axis Calibration procedure given on the FlexPendant
The actual instructions of how to perform the calibration procedure and what to
do at each step is given on the FlexPendant. You will be guided through the
calibration procedure, step by step.
This manual contains a brief description of the method, additional information to
the information given on the FlexPendant, article number for the tools and images
of where to fit the calibration tools on the robot.
Overview of the Axis Calibration procedure
The Axis Calibration procedure applies to all axes, and is performed on one axis
at the time. The robot axes are both manually and automatically moved into position,
as instructed on the FlexPendant.
A fixed calibration pin/bushing is installed on each robot axis at delivery.
The Axis Calibration procedure described roughly:
•
The calibration tool/element is prepared by the operator. Any protection
needs to be removed prior to starting calibration.
•
During the calibration procedure, RobotWare moves the robot axis chosen
for calibration so that the calibration tools get into contact. RobotWare records
values of the axis position and repeats the coming-in-contact procedure
several times to get an exact value of the axis position.
WARNING
Risk of pinching! The contact force for large robots can be up to 150 kg.
Keep a safe distance to the robot.
•
The axis position is stored in RobotWare with an active choice from the
operator.
Routines in the calibration procedure
The following routines are available in the Axis Calibration procedure, given at the
beginning of the procedure on the FlexPendant.
Fine calibration routine
Choose this routine to calibrate the robot when there are no tools, process cabling
or equipment fitted to the robot.
Update revolution counters
Choose this routine to make a rough calibration of each manipulator axis by
updating the revolution counter for each axis, using the FlexPendant.
Validation
In the mentioned routines, it is also possible to validate the calibration data.
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Product manual - IRB 120
235
3HAC035728-001 Revision: N
© Copyright 2009-2017 ABB. All rights reserved.
5 Calibration
5.4.1 Description of Axis Calibration
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