Measuring and testing – Instrument proving or calibrating – Angle – direction – or inclination
Reexamination Certificate
2006-05-09
2006-05-09
Raevis, Robert (Department: 2856)
Measuring and testing
Instrument proving or calibrating
Angle, direction, or inclination
Reexamination Certificate
active
07040136
ABSTRACT:
An apparatus for calibration of an industrial robot, the apparatus comprising a body (7) having a first angle-measuring member (10) arranged for measuring an angle relative to the vertical ine about a first measuring axis (12) and mouting means (8, 9, 25) for mounting the body to the robot during the calibration. The apparatus comprises a second angle-measuring member (11) arranged for measuring an angle relative to the vertical line about a second measuring axis (13) differing from the first measuring axis. A method for calibration of an industrial robot having a plurality of sections movably connected to each for rotation about a plurality of axes, using an apparatus according to claim1or2,the method comprising: attaching the body (7) to a section of the robot, reading an angle measurement from the first angle-measuring member (10), moving the robot about a first axis in dependence of said angle measurement for the first angle-measuring member (10), reading an angle measurement fro the second angle-measuring member (11), and moving the robot about a second axis in dependence of said angle measurement from the second angle-measuring member (11).
REFERENCES:
patent: 3146529 (1964-09-01), Chamberlin
patent: 4505049 (1985-03-01), Kuno et al.
patent: 5210954 (1993-05-01), Schafler
patent: 5239855 (1993-08-01), Schleiffer et al.
Forss Torbjörn
Gustavsson Tomas
Johnsson Karl-Gunnar
Larsson Jan
Persson Stig
ABB AB
Franklin Eric J.
Raevis Robert
Venable LLP
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