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Cold Micro Metal Forming
Research Report of the Collaborative Research Center “Micro Cold Forming” (SFB 747), Bremen, Germany
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This book gives an overview of the main research results, which are valuable to enable a stable and understood mass production with lot sizes of more than 1,000,000 metal parts by micro forming. The results have been gained in the years 2007 to 2018 within the framework of the German Collaborative Research Center (CRC) “Micro Cold Forming—Processes, Characterization, Optimization” (SFB 747 “Mikrokaltumformen—Prozesse, Charakterisierung, Optimierung”) of the University of Bremen.
Chapter 1 of this book covers the motivation for the research on a reliable production as well as information about the structure and the partners within the collaboration and gives an overview of the main results, which were gained for mastering effects occurring in mass production. Besides processes and methods for improving the forming processes itself, also the mastering of the complete production line and the aspect of high flexibility in the design of processes and production systems are addressed. Within this overarching description, references for more detailed information in the following chapters are given.
Each of Chaps. 2 – 6 focuses on a field of competence covered by the CRC. Fields of competence are micro forming, process design, tooling, quality control and characterization as well as materials, especially designed for micro forming. Within this frame, all subprojects of the third funding period present their results in Sects 2.1 – 6.4 in more detail, and each subproject is giving answers to a special aspect, which allows mastering mass production of micro parts. The interdisciplinary cooperation between the researchers from production engineering, mathematics and physics, who are working in several institutes, is an excellent base for research in the demanding field of micro metal forming.
All the editors of this contributed book are the members of the executive board of the CRC. Head of the board and of the CRC is Frank Vollertsen. All the authors, who contributed to this book, work in the relevant fields of the CRC. They are directors or staff members of the collaborating research institutes. This book extends the knowledge presented in the more fundamental book “Micro Metal Forming” (Ed. F. Vollertsen, published by Springer).
A prerequisite for successful cooperation is the funding of manpower and equipment, which was granted by Deutsche Forschungsgemeinschaft (DFG) and the University of Bremen. We gratefully acknowledge this support. The editors appreciate the powerful collaborations of the researchers within the CRC, which have been the key for the successful work.
On behalf of the editors
Acknowledgements
The editors and authors of this book like to thank the Deutsche Forschungsgemeinschaft (DFG), German Research Foundation, for the financial support of the SFB 747 “Mikrokaltumformen—Prozesse, Charakerisierung, Optimierung” (Collaborative Research Center “Micro Cold Forming—Processes, Characterization, Optimization”). We also like to thank our members and project partners of the industrial working group as well as our international research partners, for their successful cooperation.