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Sheet-bulk metal forming – forming of functional components from sheet metals [PDF]
MATEC Web of Conferences, 2015 The paper gives an overview on the application of sheet-bulk metal forming operations in both scientific and industrial environment. Beginning with the need for an innovative forming technology, the definition of this new process class is introduced. The
Merklein Marion +4 more
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Non-local ductile damage formulations for sheet bulk metal forming [PDF]
Journal of Physics: Conference Series, 2016 A ductile damage model for sheet bulk metal forming processes and its efficient and accurate treatment in the context of the Finite Element Method is presented. The damage is introduced as a non-local field to overcome pathological mesh dependency. Since
Beese, Steffen +2 more
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New Multistage Sheet-Bulk Metal Forming Process Using Oscillating Tools [PDF]
Metals, 2020 A new sheet-bulk metal forming process for the production of bulk components out of a flat sheet has been developed. Superimposed oscillation has been applied to the new process. By this means, process limits regarding better mould filling were expanded,
Bernd-Arno Behrens +6 more
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A Constitutive Friction Law for Sheet-Bulk Metal Forming
Tribology Online, 2016 Friction has a significant effect on metal forming both in economic and technical terms. This is especially true for sheet-bulk metal forming, which is a combination of bulk metal forming and sheet metal forming.
Florian Beyer, Kai Willner
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Sheet-bulk metal forming of copper heat spreader with controllable deformation zone
Journal of Materials Research and Technology, 2021 In this paper a novel precision forging process for the manufacture of CPU heat spreaders is presented. The study included numerical and simulation verification and the purpose was to replace the commonly used forging methods used for heat spreader ...
Chih-Chun Hsu +3 more
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Micromachines, 2021 Compared to alternative production methods, cold forming offers technological, economic and ecological potential for the mass production of microgears.
Andreas Rohrmoser +2 more
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Measures for controlling the material flow when extruding sheet-bulk metal forming parts from coil
Manufacturing Review, 2020 The increasing demand for lightweight design requires functional integration. This poses challenges to conventional manufacturing processes due to the rising geometrical complexity of components. The application of bulk forming operations to sheet metal,
Henneberg Johannes, Merklein Marion
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Functional Analysis of Components Manufactured by a Sheet-Bulk Metal Forming Process
Journal of Manufacturing and Materials Processing, 2021 Due to rising demands regarding the functionality and load-bearing capacity of functional components such as synchronizer rings in gear systems, conventional forming operations are reaching their limits with respect to formability and efficiency. One way
Andreas Hetzel +9 more
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Manufacturing Review, 2020 Increasing demands in modern production pose new challenges to established forming processes. One approach to meet these challenges is the combined use of established process classes such as sheet and bulk forming.
Pilz Florian +2 more
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Correlating Ultrasonic Velocity in DC04 with Microstructure for Quantification of Ductile Damage
Journal of Manufacturing and Materials Processing, 2023 The detection of ductile damage by image-based methods is time-consuming and typically probes only small areas. It is therefore of great interest for various cold forming processes, such as sheet-bulk metal forming, to develop new methods that can be ...
Steffen Wackenrohr +4 more
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