5.1.2 Calibration methods
Overview
This section specifies the different types of calibration and the calibration methods
that are supplied by ABB.
Types of calibration
Calibration method
Description
Type of calibration
Axis Calibration or
manual calibration
i
The calibrated robot is positioned at calibration
position.
Standard calibration data is found on the SMB
(serial measurement board) or EIB in the robot.
Standard calibration
For robots with RobotWare 5.04 or older, the
calibration data is delivered in a file, calib.cfg,
supplied with the robot at delivery. The file
identifies the correct resolver/motor position
corresponding to the robot home position.
i
The robot is calibrated by either manual calibration or Axis Calibration at factory. Always use the
same calibration method as used at the factory.
Information about valid calibration method is found on the calibration label or in the calibration
menu on the FlexPendant.
If no data is found related to standard calibration, manual calibration is used as default.
Brief description of calibration methods
Axis Calibration method
Axis Calibration is a standard calibration method for calibration of IRB 120 and is
the most accurate method for the standard calibration. It is the recommended
method in order to achieve proper performance.
The following routines are available for the Axis Calibration method:
•
Fine calibration
•
Update revolution counters
The calibration equipment for Axis Calibration is delivered as a toolkit.
An introduction to the calibration method is given in this manual, see
with Axis Calibration method on page 235
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.
Manual calibration method
Manual calibration method is a method based on releasing the motor brakes of
the robot and manually moving the robot into a calibration position. The manual
calibration is using the manual methods for fine calibration and updating revolution
counters. See
Calibrating with manual calibration method on page 242
References
Article numbers for the calibration tools are listed in the section
.
226
Product manual - IRB 120
3HAC035728-001 Revision: N
© Copyright 2009-2017 ABB. All rights reserved.
5 Calibration
5.1.2 Calibration methods
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