Effects of Scanning Schemes on Laser Tube Bending-Reference-Cited by-同舟云学术

Effects of Scanning Schemes on Laser Tube Bending

Published:2005-06-11 Issue:1 Volume:128 Page:20-33
ISSN:1087-1357
Container-title:Journal of Manufacturing Science and Engineering
language:en
Short-container-title:

Author:

Zhang Jie¹,Cheng Peng¹,Zhang Wenwu²,Graham Michael²,Jones Jerry³,Jones Marshall²,Yao Y. Lawrence¹

Affiliation:

1. Department of Mechanical Engineering, Columbia University, New York, NY 10027

2. Global Research Center, General Electric Company, Niskayuna, NY 12309

3. Native American Technologies Company, Golden, CO 80401

Abstract

Four laser scanning schemes for tube bending, including point-source circumferential scanning, pulsed line-source axial procession, and line-source axial scanning without and with water cooling are investigated in numerical simulation. The coupled thermomechanical model established using the finite element method is validated and applied to predict the bending deformation and help better understand bending mechanisms under different schemes. The influence of important parameters such as beam coverage, scanning velocity and cooling offset on the deformation is investigated in detail. Parametric studies are carried out to determine proper processing windows at which the largest bending can be obtained. The deformation characteristics, including the wall thickness variation and the cross-section distortion produced by different scanning schemes are analyzed, along with the processing efficiency.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/manufacturingscience/article-pdf/128/1/20/5813343/20_1.pdf

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