The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2006
Filed:
Dec. 07, 2004
Richard William Cambridge, West Chester, OH (US);
James Edward Randolph, Jr., Mason, OH (US);
Richard William Cambridge, West Chester, OH (US);
James Edward Randolph, Jr., Mason, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
A CNC apparatus has a memory configured to compensate for offsets in a pivot point. The machine tool has a head, a pivot point, a spindle, a table, and at least four axes including an X-axis, a Y-axis, a Z-axis, and a C-axis. A method for calibrating the CNC apparatus for controlling the machine tool includes placing an artifact of known height on the table, placing a plug having a known diameter on the spindle and touching the plug to the artifact in a plurality of orientations of the plug and in a plurality of locations of the plug and the artifact to determine uncalibrated X and Y pivot point locations at a plurality of orientations of the spindle. The uncalibrated X and Y pivot point locations are used to determine and store values in the memory of the CNC apparatus to compensate for offsets in the pivot point.