METHOD OF PERFORMING MEASUREMENT OR CALIBRATION ON POSITIONING MACHINE

PROBLEM TO BE SOLVED: To provide a method for performing measurement or calibration on apparatus, such as measuring machines, machine tools, or scanning machines, in which a tool or probe is positioned relative to a workpiece. SOLUTION: The apparatus comprises two structures each with three supports...

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Bibliographische Detailangaben
1. Verfasser:	MCMURTRY DAVID R
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for performing measurement or calibration on apparatus, such as measuring machines, machine tools, or scanning machines, in which a tool or probe is positioned relative to a workpiece. SOLUTION: The apparatus comprises two structures each with three supports spaced in a triangular array thereon. The supports may be balls or sockets. The structures are interconnected by six members and each support has the ends of two members connected to it. When the apparatus is used as a calibration device, the members are telescopically driven measuring bars and the structures are respectively connected to fixed and movable parts of a machine so that the displacement of the machine parts causes relative displacement between the structures and varies the lengths of the measuring bars. When the apparatus is used as a machine, the members are struts powered by one of the structures. The one of the structures is capable of carrying a tool or probe to position the tool or probe relative to a workpiece, and of being operated relative to the other of the structures. COPYRIGHT: (C)2006,JPO&NCIPI