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This paper describes, with examples, the changes made to the EXPRESS information modeling language between its balloting as an ISO Draft International Standard
Different working standards and check standards are used in the NIST surface and microform measurement laboratory for calibrating instruments, establishing
Although AI planning techniques can potentially be uaefuI in severaI manufacturing domains, this potential remains largely unrealized. In order to adapt AI
Strategies for managing data flow are described for a system which controls processes to compensate machine tool and process errors. A CAD representation of the
This paper describes the first year of a joint project between the National Institute of Standards and Technology (NIST) and SEMATECH. After studying the
A microform calibration procedure has been developed at NIST to certify geometric conformity of Rockwell C hardness indenters. The interest in microform
William T. Estler, Steven D. Phillips, Bruce R. Borchardt, Ted Hopp, Christoph J. Witzgall, M Levenson, et al
We present the analysis of a simple mechanical model of a common type of kinematic seat touch trigger probe widely used on modem coordinate measuring machines
Current Rockwell C hardness scales (HRC) are unified by performance comparisons. Unless a reliable metrology approach is used for the direct verification of
Michael T. Postek, Andras Vladar, G Banke, T Reilly
An accurate electron beam model is primary to the understanding of the SEM image. Several independently developed Monte Carlo models have been introduced for
This study investigated the performance and wear behavior of different cubic boron nitride (CBN) tools in finish turning of hardened 52100 steels. Tool