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Search Publications

NIST Authors in Bold

Displaying 1651 - 1675 of 13215

Numerical Analysis of a Coaxial Line With a Complex Gap Capacitance

May 1, 2003
Author(s)
Jan Obrzut, O Anopchenko
… of the electromagnetic field have been obtained in the frequency range of 100 MHz to 20 GHz for specimens 8 … the impedance characteristic of the network that results in the LC resonance coupled with the cavity resonance. The … dielectric constant that are of interest to bio-and nano-technology. …

Micro-NCT of the Tool-Chip Interface in Machining

January 1, 2000
Author(s)
Timothy J. Burns, Matthew A. Davies, Michael Kennedy, Howard Yoon
… Machining is a ubiquitous manufacturing process with tremendous economic impact. For … expenditures that range from 3 % to 10 % of their GDP. In the United States, the estimates are slightly lower with … machining remains one of the least understood of manufacturing processes, with parameters still being set …

Challenges in Metrology for the Semiconductor Industry

March 21, 2005
Author(s)
Stephen Knight, Joaquin (. Martinez
… supporting this manufacture are escalating rapidly. In this presentation we will discuss present and future … Journal of Vacuum Science and Technology B … Challenges in Metrology for the Semiconductor Industry …

Process Monitoring of Turning and Model Adaptation for Smart Machining Systems

September 3, 2007
Author(s)
Jarred C. Heigel, Robert W. Ivester
… Smart Machining Systems improve manufacturing efficiency using optimization based on process … and material homogeneity, hinder predictability. In order to improve the practicality of model based decision making in an industrial machining environment, this paper introduces …

An Architecture for a Generic Data-Driven Machine Shop Simulator

October 1, 2002
Author(s)
Charles R. McLean, Albert T. Jones, Yung-Tsun Lee, Frank H. Riddick
… In most cases, the effort required to develop a meaningful … out under the Software Engineering Institute?s (SEI) Technology Insertion, Demonstration, and Evaluation (TIDE) Program and the Systems Integration for Manufacturing Applications (SIMA) Program at the National …

Tool Temperatures in Orthogonal Cutting of Alloyed Titanium

June 17, 2011
Author(s)
Robert W. Ivester
… coating. The presence of the coating provides a reduction in tool temperature of approximately 100 degrees C. … SME North American Manufacturing Research Conference … Proceedings of the North American Manufacturing Research Conference … Tool Temperatures in Orthogonal Cutting of Alloyed Titanium …

An Advanced Deburring and Chamfering System

July 31, 1990
Author(s)
Karl Murphy, Frederick M. Proctor
… International Symposium on Robotics & Manufacturing … of the IEEE Third International Symposium on Robotics & Manufacturing (ISRAM 90) …

Toward a Classification of Partitioning Operations for Standardization of Geometrical Product Specifications and Verification

September 3, 2018
Author(s)
Vijay Srinivasan, Nabil Anwer, Paul J. Scott
… Partitioning is one of the four major operations used in the international standards issued by ISO/TC 213 on … verification) practices that are of critical importance to manufacturing industry. Collectively, these emerging ISO GPS … cyber-physical production systems, and Industrie 4.0). In simple terms, partitioning operations divide a surface …

The Industrial Ontologies Foundry Proof-of-Concept Project

August 26, 2018
Author(s)
Boonserm Kulvatunyou, Evan K. Wallace, Dimitris Kiritsis, Barry Smith, Chris Will
… that exploits connected information across all aspects of manufacturing. Standards have been recognized as an important … Although there have been ontolo-gies developed in the industrial manufacturing domain, they have been fragment-ed and inconsistent. With successes in developing coherent ontologies in the bio-logical, …

An International Intercomparison of Quantum-Based AC Voltage Standards

October 1, 2012
Author(s)
Thomas E. Lipe Jr., Piotr S. Filipski, Joseph R. Kinard Jr., Yi-hua D. Tang
… (ACJVS) between the National Institute of Standards and Technology (NIST), and the National Research Council, Canada … these systems can form the basis for ac voltage metrology in the future. This intercomparison was performed as part of … 2011 International Instrumentation and Measurement Technology Conference …

State Models for Jobs and Job Supervisors

June 1, 1997
Author(s)
David Flater, Edward J. Barkmeyer Jr., Evan K. Wallace
… Intelligent control of discrete parts manufacturing jobs and machinery requires state models for … automata, control, manufacturing …

Predicting High-Speed Machining Dynamics by Substructure Analysis

October 12, 2021
Author(s)
Tony L. Schmitz, Matthew A. Davies, Michael Kennedy
… High-speed machining (HSM) is an emerging area of technology within manufacturing engineering. Recent improvements in high-speed spindle design (reliable 4189 rad/s (40,000 … high-speed machining, high-speed spindle design, manufacturing engineering, slide system …

Flexible Lines with Setups: Analysis, Improvement, and Application

January 4, 2016
Author(s)
Cong Zhao, Jingshan Li, Ningjian Huang, John A. Horst
… Setup times commonly exist in many flexible manufacturing lines to adjust tools and carry out safety and quality checks during product changeovers. In this paper, a Markov chain model is introduced to study … Markov chain, flexible manufacturing systems, setup, aggregation, bottlenecks …

Distributed Data Interfaces--the Lessons of IMDAS

July 1, 1988
Author(s)
Edward J. Barkmeyer Jr.
… In most industrial facilities, existing control, engineering … further complicated by logical and physical differences in the representation of the same real- world objects from … are that they are the data repositories for the current manufacturing enterprise, that the existing application …

Sintered powder oxidation variation as a function of build height for titanium alloy produced by electron beam powder-bed fusion

November 26, 2021
Author(s)
Nicholas Derimow, Alejandro Romero, Aldo Rubio, Cesar Terrazas, Francisco Medina, Ryan Wicker, Nik Hrabe
… area. This work investigates the potential for variation in powder oxidation as a function of build height for PBF-EB Ti-6Al-4V, up to build heights of 35 mm. In order to study the powder bed, thin-walled cylindrical … powder capsules were printed along side of solid parts in order to capture the sintered powder for controlled …

Characterization of Die-Swell in Thermoplastic Material Extrusion

July 5, 2023
Author(s)
Austin Colon, David Kazmer, Amy Peterson, Jonathan Seppala
… Die-swell is a flow effect that occurs in polymer extrusion whereby the material experiences rapid … exiting the nozzle orifice. Material extrusion additive manufacturing is no exception, and this effect influences the … Additive Manufacturing … Characterization of Die-Swell in Thermoplastic Material Extrusion …

Simulation and Visualization Using a Remote Database

February 1, 2001
Author(s)
Michael Iuliano
… underway at the National Institute of Standards and Technology (NIST). The NAMT was initiated by the Manufacturing Engineering Laboratory (MEL) to enable and … the interoperability of manufacturing systems and to aid in the ejection of new technologies into next generation …

Recommended Practices for Manufacturers and Consumers of WWVB Radio Controlled Clocks

January 1, 2005
Author(s)
Michael A. Lombardi, Andrew N. Novick, John P. Lowe, Matthew J. Deutch, Gerald Nelson, Douglas D. Sutton, William C. Yates, D. W. Hanson
… intended to benefit WWVB radio controlled clock (RCC) manufacturers and consumers. It recommends key features to manufacturers that their products should include, and key … Recommended Practices for Manufacturers and Consumers of WWVB Radio Controlled Clocks …

NIST Language Technology Evaluation Cookbook

December 20, 2004
Author(s)
Alvin F. Martin, John S. Garofolo, Jonathan G. Fiscus, A N. Le, D S. Pallett, Mark A. Przybocki, Gregory A. Sanders
… evaluation plan, language technology evaluation, NIST evaluation, speech evaluation, … NIST Language Technology Evaluation Cookbook …
Displaying 1651 - 1675 of 13215
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