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Controlling Product Stiffness by an Incremental Sheet Metal Forming Process

Hesse, Daniel and Hoppe, Florian and Groche, Peter (2017):
Controlling Product Stiffness by an Incremental Sheet Metal Forming Process.
In: Procedia Manufacturing, In: 45th SME North American Manufacturing Research Conference (NAMRC 45), Los Angeles, USA, 04.-08.06.2017, 10, [Conference or Workshop Item]

Abstract

Each process and each machine is subject to fluctuations, which lead to deviations in the quality of the components to be manufactured. In order to counter these uncertainties, a flexible incremental sheet forming (ISF) process for the production of truncated cone components is presented. These flexible methods are in contradiction with conventional forming processes, which are mostly designed for steady processes with large batch size. However, with the multi-technology machine 3D Servo Press, such a highly flexible process can be implemented on a forming machine for the first time. Through a determination of influence parameters and derivation of a model by means of simulative and experimental investigations, a closed-loop control for axial stiffness of the part can be realized. The control of the stiffness is not trivial in that, it depends on the geometric features as well as on the material properties, i.e., Young’s modulus. The fluctuations are inherently present and can be adjusted by a stiffness correction model as shown in the presented work.

Item Type: Conference or Workshop Item
Erschienen: 2017
Creators: Hesse, Daniel and Hoppe, Florian and Groche, Peter
Title: Controlling Product Stiffness by an Incremental Sheet Metal Forming Process
Language: English
Abstract:

Each process and each machine is subject to fluctuations, which lead to deviations in the quality of the components to be manufactured. In order to counter these uncertainties, a flexible incremental sheet forming (ISF) process for the production of truncated cone components is presented. These flexible methods are in contradiction with conventional forming processes, which are mostly designed for steady processes with large batch size. However, with the multi-technology machine 3D Servo Press, such a highly flexible process can be implemented on a forming machine for the first time. Through a determination of influence parameters and derivation of a model by means of simulative and experimental investigations, a closed-loop control for axial stiffness of the part can be realized. The control of the stiffness is not trivial in that, it depends on the geometric features as well as on the material properties, i.e., Young’s modulus. The fluctuations are inherently present and can be adjusted by a stiffness correction model as shown in the presented work.

Title of Book: Procedia Manufacturing
Volume: 10
Divisions: 16 Department of Mechanical Engineering > Institut für Produktionstechnik und Umformmaschinen (PtU)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 805: Control of Uncertainty in Load-Carrying Structures in Mechanical Engineering
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
16 Department of Mechanical Engineering
DFG-Collaborative Research Centres (incl. Transregio)
Event Title: 45th SME North American Manufacturing Research Conference (NAMRC 45)
Event Location: Los Angeles, USA
Event Dates: 04.-08.06.2017
Date Deposited: 19 Jul 2017 10:19
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