Strategy for non-contact freeform measurements with a cylinder coordinate measuring instrument

A. Beutler

doi:10.1117/12.2195692

11 October 2015 Strategy for non-contact freeform measurements with a cylinder coordinate measuring instrument

A. Beutler

Proceedings Volume 9633, Optifab 2015; 963319 (2015) https://doi.org/10.1117/12.2195692
Event: SPIE Optifab, 2015, Rochester, New York, United States

Abstract

The strategy for measuring and analyzing freeforms with a new high precision cylinder coordinate measuring instrument equipped with an optical point sensor is presented. As freeforms compared to aspheres are not rotationally symmetric considering outline and shape the measuring process has to be designed in new ways. In addition fiducials on the sample or fixture have to be measured to determine position and orientation, i.e. a coordinate system, of the sample. In the following analysis process this coordinate system has to be taken into account. The performance of the measuring instrument is demonstrated and measuring results of different samples are shown.

Citation Download Citation

A. Beutler "Strategy for non-contact freeform measurements with a cylinder coordinate measuring instrument", Proc. SPIE 9633, Optifab 2015, 963319 (11 October 2015); https://doi.org/10.1117/12.2195692

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