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New Designs of Industrial Accumulators for Elastic Webs: Structures Comparison

[+] Author Affiliations
David Kuhm, Dominique Knittel

University of Strasbourg, Strasbourg, FranceINSA Strasbourg, Strasbourg, France

Paper No. ESDA2012-82798, pp. 289-295; 7 pages
doi:10.1115/ESDA2012-82798
From:
  • ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 1: Advanced Computational Mechanics; Advanced Simulation-Based Engineering Sciences; Virtual and Augmented Reality; Applied Solid Mechanics and Material Processing; Dynamical Systems and Control
  • Nantes, France, July 2–4, 2012
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4484-7
  • Copyright © 2012 by ASME

abstract

Accumulators are used in industrial elastic web processing plant such as paper, mills, fabric, rolling mills, to permit rewind or unwind core changes while the process continues at a constant velocity. The objective is to maintain constant web line velocity and tension into and downstream the accumulator. This paper presents a summarize of nonlinear models of different classical industrial accumulator structures: one with a pneumatic actuated carriage and one with a motorized carriage. These models are derived from physical laws that describe web tension and velocity dynamics in each web span. A second part presents new accumulator structures enabling performances improvement, considering the accumulator output web tension. Finally, the last part of this paper compares, by simulations in Matlab/Simulink software environment and using performances criteria, the performances of optimized accumulators and classical industrial ones.

Copyright © 2012 by ASME
Topics: Secondary cells

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