Differential calibration

Details Differential calibration Differential calibration

2011-03-08

2011-03-08

Johnson, Amy Cohen (Department: 2841)

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

C033S503000, C033S556000, C702S095000

Reexamination Certificate

active

07900367

ABSTRACT:
A method of calibrating a measurement probe (10) mounted on a machine is described. The measurement probe (10) has a stylus (14) with a workpiece contacting tip (16). The method comprises determining a probe calibration matrix that relates the probe outputs (a,b,c) to the machine coordinate system (x,y,z.). The method comprising the steps of scanning a calibration artefact (18) using a first probe deflection (d1) to obtain first machine data and using a second probe deflection (d2) to obtain second machine data. The first and second machine data are used to obtain a pure probe calibration matrix in which any machine errors are substantially omitted. Advantageously, the method determines the pure probe matrix numerically based on the assumption that the difference between the first and second machine position data is known.

REFERENCES:
patent: 5610846 (1997-03-01), Trapet et al.
patent: 5649368 (1997-07-01), Herzog et al.
patent: 5806201 (1998-09-01), Feichtinger
patent: 6580964 (2003-06-01), Sutherland et al.
patent: 6601311 (2003-08-01), McMurtry et al.
patent: 6810597 (2004-11-01), Grzesiak et al.
patent: 6909983 (2005-06-01), Sutherland
patent: 7055367 (2006-06-01), Hajdukiewicz et al.
patent: 7254506 (2007-08-01), McMurtry et al.
patent: 7526873 (2009-05-01), Jonas et al.
patent: 2004/0244464 (2004-12-01), Hajdukiewicz et al.
patent: 0 508 686 (1992-10-01), None
patent: WO 00/25087 (2000-05-01), None
patent: WO 03/074968 (2003-09-01), None
patent: WO 2004/005849 (2004-01-01), None
patent: WO 2005/059471 (2005-06-01), None

Affiliated with

Also associated with

Rating

Differential calibration does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Differential calibration, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Differential calibration will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2763092