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Displaying 1126 - 1150 of 13215

Powder Bed Layer Geometry

June 27, 2016
Author(s)
Michael L. McGlauflin, Shawn P. Moylan
… bed geometry of a commercially available laser additive manufacturing (AM) machine. The methodology is based on existing ISO/ANSI standards as employed in computer numerically controlled material removal type … Dimensional Accuracy and Surface Finish in Additive Manufacturing …

Annual Manufacturing Review

December 14, 2015
Author(s)
Douglas Thomas, Anand M. Kandaswamy
… This report provides an overview of the US manufacturing industry. There are three aspects of U.S. manufacturing that are considered: (1) how the US industry … to the 2013 Annual Survey of Manufactures (ASM), the US manufacturing sector produced $2.4 trillion in value added in …

Porosity Measurements and Analysis for Metal Additive Manufacturing Process Control

September 16, 2014
Author(s)
John A. Slotwinski, Edward J. Garboczi, Keith M. Hebenstreit
… Additive manufacturing techniques can produce complex, high-value … tissue. Changes in a part's porosity during an additive manufacturing build may also be an indication of an undesired … Additive manufacturing, Archimedes, cobalt-chrome, Direct Metal Laser …

Using graph-based visualizations to explore key performance indicator relationships for manufacturing production systems

March 9, 2017
Author(s)
Michael Brundage, William Z. Bernstein, KC Morris, John A. Horst
… crucial for measuring and improving the performance of a manufacturing process. An especially critical aspect of … relationships between all KPIs assigned to a targeted manufacturing process. This paper explores graph-based visual … ISO 22400, Interdependencies, KPI Relationships, Manufacturing Process Improvement …

HYBRID MODELING OF MELT POOL GEOMETRY IN ADDITIVE MANUFACTURING USING NEURAL NETWORKS

November 17, 2021
Author(s)
Kevontrez Jones, Zhuo Yang, Ho Yeung, Paul Witherell, Yan Lu
… Laser powder-bed fusion is an additive manufacturing (AM) process that offers exciting advantages … Additive Manufacturing, Neural Networks, Melt Pool Dimension … HYBRID MODELING OF MELT POOL GEOMETRY IN ADDITIVE MANUFACTURING USING NEURAL NETWORKS …

Process Reasoning

January 1, 1987
Author(s)
Steven R. Ray
… With the increasing levels of automation in factories, production management systems need increasingly sophisticated models of manufacturing processes. A framework is presented for the … environment. Each reasoning module describes a process in terms of its effects, constraints, and process parameters. …

Technologies for Condition-Based Maintenance of Machine Tools

January 1, 2001
Author(s)
M A. Donmez, Kari K. Harper, Kang B. Lee
… the continued growth of condition-based maintenance (CBM) technologies for the discrete-parts manufacturing industry. … on the development, application, and demonstration of CBM technologies for machining systems and machine tool … Technologies for Condition-Based Maintenance of Machine Tools …

On-Machine Measurement Use Cases and Information for Machining Operations

August 2, 2019
Author(s)
John A. Horst, Thomas D. Hedberg, Allison Barnard Feeney
… and industrial machine tool operations have been defined in standards organizations and successfully implemented in several commercial manufacturing production operations. A next step is to define … Advanced Manufacturing Series (NIST AMS) - 400-1 … On-machine measurement, in-process measurement, in-situ measurement, pre-process …

ITRS Chapter: RF and A/MS Technologies

January 12, 2012
Author(s)
Herbert S. Bennett, John J. Pekarik
… Radio frequency and analog/mixed-signal (RF and A/MS) technologies are essential and critical technologies for the rapidly diversifying semiconductor … above markets are very sensitive to cost. With different technologies capable of meeting technical requirements, …

Firefighting Technology Research at NIST

May 1, 2008
Author(s)
Daniel M. Madrzykowski, Stephen Kerber
… the past year, the National Institute of Standards and Technology (NIST) has continued work on many projects and … to the research projects listed below, the Fire Fighting Technology Group continues to improve the way that … fire fighting, fire fighters, technology utilization, thermal imaging, fire safety, …

Towards an Information Processing Representation for Dynamic Process Optimization in Smart Machining Systems

May 1, 2006
Author(s)
Laurent Deshayes, Lawrence A. Welsch, Aurelie Vacher, Alkan Donmez
… Machining Systems (SMS) are an important part of today''s manufacturing companies.  SMS include the use of diverse … improving the response of the production system to changes in demand (just in time); realizing rapid manufacturing; and, providing data on an as needed basis.  Each technology uses information with its own representation.  In …

AMB2018-03: Benchmark Physical Property Measurements for Material Extrusion Additive Manufacturing of Polycarbonate

October 29, 2020
Author(s)
Daniel P. Cole, Frank Gardea, Todd C. Henry, Jonathan Seppala, Edward Garboczi, Kalman D. Migler, Christopher M. Shumeyko, Jeffery R. Westrich, Sara Orski, Jeffery L. Gair
… (MatEx) is finding increasing applications in additive manufacturing of thermoplastics due to the ease of use and … Integrating Materials and Manufacturing Innovation … Property Measurements for Material Extrusion Additive Manufacturing of Polycarbonate …

Technology Services FY1999 Technical Activities Report

July 1, 2000
Author(s)
C P. Sturrock
… of TechnologyServices, National Institute of Standards and Technology. These activitiesare in the areas of standards … (SRMs), standardreference data, and weights and measures; technology partnerships,including Cooperative Research and … reference data, Standard Reference Materials, standards, technology partnerships, weights and measures …

Measurement Science Needs for Real-time Control of Additive Manufacturing Powder Bed Fusion Processes

March 15, 2015
Author(s)
Mahesh Mani, Brandon M. Lane, M A. Donmez, Shaw C. Feng, Shawn P. Moylan, Ronnie R. Fesperman Jr.
… Additive Manufacturing is increasingly used in the development of new … measurement and real-time control possible in additive manufacturing. Traceable dimensional and thermal metrology … be developed for real-time closed-loop control of additive manufacturing processes. As a precursor, this report presents …

Wireless User Requirements for the Factory Workcell

October 2, 2019
Author(s)
Karl Montgomery, Richard Candell, Yongkang Liu, Mohamed Hany
… Wireless communication is becoming crucial to advanced manufacturing. Industry 4.0 and Smart Manufacturing depend on networked industrial automation … their own intelligence to compensate for lost reliability in the network. This report analyzes existing wireless user …

Focus variation measurement and prediction of surface texture parameters using machine learning in laser powder bed fusion

January 31, 2020
Author(s)
Tugrul Ozel, Ayca Altay, Bilgin Kaftanoglu, Richard Leach, Alkan Donmez
… The powder bed fusion based additive manufacturing process uses a laser to melt and fuse powder … Journal of Manufacturing Science and Engineering-Transactions of the ASME … Additive Manufacturing, Laser, Surface Analysis, Powder Bed Fusion … of surface texture parameters using machine learning in laser powder bed fusion …

MAUD Rietveld Refinement Software for Neutron Diffraction Texture Studies of Single and Dual-Phase Materials

August 19, 2021
Author(s)
Alec Saville, Emily Mitchell, Sven Vogel, Adam Abel Creuziger, Jake Benzing, Kester Clarke, Jonah Klemm-Toole, Amy Clarke
… (EBSD) pole figures on Ti–6Al–4V produced by additive manufacturing. This work addresses a number of hidden … when using MAUD. A systematic evaluation of each step in the MAUD refinement process is described, focusing on … of the texture data extracted from MAUD. Included in the appendix of this work are two systematic walkthroughs …

Cybersecurity Framework Manufacturing Profile Low Impact Level Example Implementations Guide: Volume 1 - General Implementation Guidance

September 30, 2019
Author(s)
Keith A. Stouffer, Timothy Zimmerman, CheeYee Tang, Michael Pease, Jeffrey Cichonski, Neeraj Shah, Wesley Downard
… off-the-shelf (COTS) products could be implemented in manufacturing environments to satisfy the requirements in the Cybersecurity Framework (CSF) Manufacturing Profile Low Impact Level. Example … and operational performance impacts for a process- based manufacturing environment (Volume 2) and a discrete-based …
Displaying 1126 - 1150 of 13215
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