Potential of Tool Clamping Surfaces in Forming Machines for Cognitive Production
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Department Machine Tool, Fraunhofer Institute for Machine Tools and Forming Technology IWU, Germany
Production systems and factory automation, Fraunhofer Institute for Machine Tools and Forming Technology IWU, Germany
Chair of Machine Tools Development and Adaptive Controls, Dresden University of Technology TUD, Germany
Mohaned Alaluss   

Department Machine Tool, Fraunhofer Institute for Machine Tools and Forming Technology IWU, Reichenhainer Strasse 88, 09126, Chemnitz, Germany
Submission date: 2022-02-15
Final revision date: 2022-04-21
Acceptance date: 2022-04-24
Online publication date: 2022-05-04
Journal of Machine Engineering 2022;22(3)
High reproducibility of forming processes along with high quality expectations of the resulting formed parts demand cognitive production systems. The prerequisite is process transparency, which can be improved by increased knowledge of interdependencies between forming tool and forming machine that affects the tool clamping interface behavior. Due to the arrangement as surfaces transmitting process forces, their closeness to the forming process, and yet machine inherent, tool clamping interface provide greater potential for intelligent monitoring. This paper presents a holistic analysis of the interdependencies at the tool clamping interface. Here, the elastic deflection behavior of the press table and slide with their related clamping surfaces, the frictional slip behavior between the interacting machine components and the used clamping devices are described on qualitative level and verified by simulative analysis. Based on the results, available sensor systems are assessed regarding the capability to monitor the identified phenomena inline.
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