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Systems for monitoring and control of sheet metal forming processes

 
: Neugebauer, Reimund; Scheffler, S.; Albert, A.

:
Preprint urn:nbn:de:0011-n-1652899 (7.2 MByte PDF)
MD5 Fingerprint: ae1d68152225bafd775a7d180698aa5a
Created on: 17.6.2011


Hora, P. ; TH Zürich -ETH-, Institut für Virtuelle Produktion:
Zero Failure Production Methods. 4th Forming Technology Forum Zurich 2011 : May 17th - 18th, 2011, Zürich
Zürich: Eidgenössische Technische Hochschule Zürich, 2011
ISBN: 978-3-909386-48-2
pp.99-102
Forming Technology Forum Zurich <4, 2011, Zürich>
English
Conference Paper, Electronic Publication
Fraunhofer IWU ()
sheet metal forming; in-process; monitoring system; closed-loop control; thin layer films; deep drawing; hydroforming

Abstract
There are a number of variables which can seriously affect the sheet metal forming process. By determining the process fluctuations, it will ultimately be possible to improve the production process. To do this, monitored or closed loop controlled processes potentially constitute an important tool for the reduction of defects, reduction of rework and a better quality of final products. This based of novel thin film sensors, which are integrated into the tool's surface.
The Fraunhofer Institute for Machine Tools and Forming Technology (IWU) in Chemnitz investigated typical process variables such as flange movement for deep drawing or contact pressure for hydroforming as the basis for control systems. Applications used process monitoring with one or more sensors to support quality control, or the same system with an add-on for early error recognition and automatic recommendation of corrective measures.

: http://publica.fraunhofer.de/documents/N-165289.html