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Author: bruce borchardt

Displaying records 11 to 20 of 29 records.
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11. 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

12. 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

13. Design and Testing of a One Dimensional Measuring Machine for Determining the Length of Ball Bars
Published: 1/1/2001
Authors: J C Ziegert, D Rea, Steven David Phillips, Bruce R. Borchardt
Abstract: A new machine for the rapid calibration of ball bars has been built.  By means of comparisons to CMM measurements, it has been shown to work as an accurate special purpose machine for the calibration of ball bar lengths.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823144

14. 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

15. 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

16. The Estimation of Measurement Uncertainty of Small Circular Features Measured by Coordinate Measuring Machines
Published: 4/1/1998
Authors: Steven David Phillips, Bruce R. Borchardt, William Tyler Estler, J Buttress
Abstract: This paper examines the measurement uncertainty of small circular features as a function of the sampling strategy; i.e., the number and distribution of measurement points. Specifically, we examine measuring a circular feature using a three-point samp ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820903

17. Practical Aspects of Touch Trigger Probe Error Compensation
Published: 7/1/1997
Authors: William Tyler Estler, Steven David Phillips, Bruce R. Borchardt, Ted Hopp, M Levenson, K Eberhardt, Marjorie A McClain
Abstract: We present extensions of our prior work in modeling and correcting for pretravel variation errors in kinematic seat touch-trigger coordinate measuring machine (CMM) probes with straight styli. A simple correction term is shown to account for a range ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820843

18. Results of the NIST National Ball Plate Round Robin
Published: 1/1/1997
Authors: Gregory W Caskey, Steven David Phillips, Bruce R. Borchardt
Abstract: This report examines the results of the ball plate round robin administered by NIST. The round robin was part of an effort to assess the current state of industry practices for measurements made using coordinate measuring machines. Measurements of a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820994

19. 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

20. Error Compensation for CMM Touch Trigger Probes
Published: 10/1/1996
Authors: William Tyler Estler, Steven David Phillips, Bruce R. Borchardt, Ted Hopp, G Witzgall, M Levenson, K Eberhardt, Marjorie A McClain, Y Shen, X Zhang
Abstract: We present the analysis of a simple mechanical model of a common type of kinematic seat touch trigger probe widely used on modern coordinate measuring machines (CMMs). The model provides a quantitative description of the pretravel variation or probe- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822130



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