Geometrical instruments – Gauge – With calibration device or gauge for nuclear reactor element
Patent
1990-05-21
1992-05-12
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
With calibration device or gauge for nuclear reactor element
33613, 73 1J, G01C 2500
Patent
active
051115905
ABSTRACT:
This invention is a computer aided kinematic transducer link system with associated software for the assessment of contouring accuracy of N.C. machine tools, which have been developed and evaluated by testing of various N.C. machine tools. The invention relates to a system for the assessment of contouring accuracy of N.C. machine tools by using a computer aided kinematic transducer link system, and to a method for analysis and evaluation of different sources of machine tool errors. The design of the measuring system is based upon a pseudo kinematic link which orients two displacement transducers between two master spheres and moves in a circular path. Since it is computer aided, the errors during contouring motion are automatically recorded and the analysis for complete circular profiles and partial arcs is carried out using a least squares criterion. The present computer aided assessment system is designed for the measurement of contour motion accuracy and analysis of error origin of N.C. machine tools. By the systematic application of the system, the deviations resulting from the geometry of the machine, the drives or the numerical control system can be defined. The system is also used to assess the geometrical deformation due to thermally induced errors or load induced errors between the workpiece and tool position.
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Cuchlinski Jr. William A.
Fulton C. W.
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