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Title: Direct laser additive fabrication system with image feedback control

Abstract

A closed-loop, feedback-controlled direct laser fabrication system is disclosed. The feedback refers to the actual growth conditions obtained by real-time analysis of thermal radiation images. The resulting system can fabricate components with severalfold improvement in dimensional tolerances and surface finish.

Inventors:
 [1];  [2];  [1];  [3];  [1];  [4]
  1. Albuquerque, NM
  2. Nashville, TN
  3. Edgewood, NM
  4. Pleasanton, CA
Issue Date:
Research Org.:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
OSTI Identifier:
874784
Patent Number(s):
6459951
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Classifications (CPCs):
G - PHYSICS G05 - CONTROLLING G05B - CONTROL OR REGULATING SYSTEMS IN GENERAL
B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
direct; laser; additive; fabrication; image; feedback; control; closed-loop; feedback-controlled; disclosed; refers; growth; conditions; obtained; real-time; analysis; thermal; radiation; images; resulting; fabricate; components; severalfold; improvement; dimensional; tolerances; surface; finish; thermal radiation; /700/156/219/427/

Citation Formats

Griffith, Michelle L, Hofmeister, William H, Knorovsky, Gerald A, MacCallum, Danny O, Schlienger, M Eric, and Smugeresky, John E. Direct laser additive fabrication system with image feedback control. United States: N. p., 2002. Web.
Griffith, Michelle L, Hofmeister, William H, Knorovsky, Gerald A, MacCallum, Danny O, Schlienger, M Eric, & Smugeresky, John E. Direct laser additive fabrication system with image feedback control. United States.
Griffith, Michelle L, Hofmeister, William H, Knorovsky, Gerald A, MacCallum, Danny O, Schlienger, M Eric, and Smugeresky, John E. Tue . "Direct laser additive fabrication system with image feedback control". United States. https://www.osti.gov/servlets/purl/874784.
@article{osti_874784,
title = {Direct laser additive fabrication system with image feedback control},
author = {Griffith, Michelle L and Hofmeister, William H and Knorovsky, Gerald A and MacCallum, Danny O and Schlienger, M Eric and Smugeresky, John E},
abstractNote = {A closed-loop, feedback-controlled direct laser fabrication system is disclosed. The feedback refers to the actual growth conditions obtained by real-time analysis of thermal radiation images. The resulting system can fabricate components with severalfold improvement in dimensional tolerances and surface finish.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {1}
}

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