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Author: daniel sawyer

Displaying records 21 to 30 of 32 records.
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21. Validation of CMM Task Specific Measurement Uncertainity Software
Published: 8/1/2003
Authors: M P Henke, J M Baldwin, K Summerhays, B Rasnick, P Murray, Daniel S Sawyer, Bruce R. Borchardt, Steven David Phillips, Craig M Shakarji
Abstract: Task specific CMM measurement uncertainty statements can be generated using computer (Monte Carlo) simulation. REcently, commercial products using this powerful technique have become available; however they typically involve megabytes of code inacces ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822066

22. The Validation of CMM Task Specific Measurement Uncertainty Software
Published: 1/1/2003
Authors: Steven David Phillips, Bruce R. Borchardt, A Abackerli, Craig M Shakarji, Daniel S Sawyer, P Murray, B Rasnick, K Summerhays, J M Baldwin, M P Henke
Abstract: Task specific CMM measurement uncertainty statements can be generated using computer (Monte Carlo) simulation. Recently, commercial products using this powerful technique have become available; however they typically involve megabytes of code inacces ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822036

23. A Laser Tracker Calibration System
Published: 1/1/2002
Authors: Daniel S Sawyer, Bruce R. Borchardt, Steven David Phillips, Charles Fronczek, William Tyler Estler
Abstract: We describe a laser tracker calibration system developed for frameless coordinate metrology systems. The system employs a laser rail to provide an 'in situ' calibrated length standard that is used to test a tracker in several different configurations ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821749

24. 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

25. 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

26. 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

27. 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

28. 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

29. 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

30. 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



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