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Author: daniel sawyer

Displaying records 21 to 29.
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21. A Novel Artifact for Testing Large Coordinate Measuring Machines
Published: 1/1/2001
Authors: Steven David Phillips, Daniel S Sawyer, Bruce R. Borchardt, D E Ward, D E Beutel
Abstract: We present a high accuracy artifact useful for the evaluation of large CMMs. This artifact can be physically probed by the CMM in contrast to conventional techniques that use purely optical methods such as laser interferometers. The system can be use ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824606

22. A Novel Artifact for Testing Large Coordinate Measuring Machines
Published: 1/1/2000
Authors: Steven David Phillips, Daniel S Sawyer, Bruce R. Borchardt, David E Ward, D E Beutel
Abstract: We present a high accuracy artifact useful for the evaluation of large CMMs. This artifact can be physically probed by the CMM in contrast to conventional techniques that use purely optical methods such as laser interferometers. The system can be use ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820971

23. A Constrained Monte Carlo Simulation Method for the Calculation of CMM Measurement Uncertainty
Published: 1/1/1999
Authors: Steven David Phillips, Bruce R. Borchardt, Daniel S Sawyer, William Tyler Estler, K Eberhardt, M Levenson, Marjorie A McClain, Ted Hopp
Abstract: We describe a Monte Carlo simulation technique where known information about a metrology system is employed as a constraint to distinguish the errors associated with the instrument under consideration from the set of all possible instrument errors. T ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820941

24. The Calculation of CMM Measurement Uncertainty via The Method of Simulation by Constraints
Published: 1/1/1997
Authors: Steven David Phillips, Bruce R. Borchardt, Daniel S Sawyer, William Tyler Estler, David E Ward, K Eberhardt, M. Levenson, Marjorie A McClain, B Melvin, Ted Hopp, Y Shen
Abstract: The calculation of task specific measurement uncertainty when using coordinate measuring machines is an important and challenging task. Current methods to address this issue use simulation techniques (e.g., the virtual CMM) where the propagation of k ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820857

25. NIST SRM 9983 High Rigidity Ball-Bar Stand User Manual
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5659
Published: 6/1/1995
Authors: Daniel S Sawyer, Steven David Phillips, Gregory W Caskey, Bruce R. Borchardt, David E Ward, P Snoots
Abstract: This document is the user manual for the NIST SRM 9983 High Rigidity Ball Bar Stand. The manual contains a list of the components that are included as part of the unit. Complete instructions for setting up and assembling the stand to support a ball b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820762

26. User Manual for the Interim Testing Artifact for CMMs
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5602
Published: 2/1/1995
Authors: Amy Singer, J Land, Steven David Phillips, Daniel S Sawyer, Bruce R. Borchardt, Gregory W Caskey, et al
Abstract: The Interim Testing Artifact (ITA) is designed to quickly test CMMs for performance problems so that they can be repaired before significant numbers of good parts are erroneously rejected (or bad parts accepted) by the CMM. Frequent testing using the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820767

27. A Users' Guide to NIST SRM 2084: CMM Probe Performance Standards
Published: 6/1/1994
Authors: Gregory W Caskey, Steven David Phillips, Bruce R. Borchardt, David E Ward, Daniel S Sawyer
Abstract: Standard Reference Materials (SRMs) as defined by the National Institute of Standards and Technology (NIST) are well-characterized materials, produced in quantity and certified for one or more physical or chemical properties. They are used to assure ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820674

28. A Novel CMM Interim Testing Artifact
Published: 1/1/1994
Authors: Steven David Phillips, Bruce R. Borchardt, Gregory W Caskey, David E Ward, Bryon S. Faust, Daniel S Sawyer
Abstract: NIST is currently developing equipment and techniques to rapidly access the performance of Coordinate Measuring machines (CMMs). This will allow the frequent testing of CMMs to insure that they measure parts accurately. A novel interim testing artifa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820700

29. Standards for Coordinate Measuring Machines,
Published: 1/1/1994
Authors: Steven David Phillips, Bruce R. Borchardt, Gregory W Caskey, David E Ward, Daniel S Sawyer, P Snoots, K Harrell
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820699



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