Journal ArticleDOI
Innovative sheet metal forming processes: numerical simulations and experimental tests
N. Alberti,Livan Fratini +1 more
TLDR
In this paper, computer aided engineering of some innovative sheet metal forming processes is reviewed, in particular, tube hydroforming processes and spinning processes, and experimental verifications are carried out to confirm the effectiveness of the numerical predictions.About:
This article is published in Journal of Materials Processing Technology.The article was published on 2004-07-01. It has received 20 citations till now. The article focuses on the topics: Forming processes & Hydroforming.read more
Citations
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Journal ArticleDOI
Evaluation of forming forces in ultrasonic incremental sheet metal forming
TL;DR: In this paper, a new type of sheet metal forming technology using ultrasonic vibration applied to SPIF (single point incremental forming) process is presented, which takes into account magnitude and changing law of the forming force.
Journal ArticleDOI
Stamping of Titanium Sheets
TL;DR: In this article, a numerical simulation of the sheet-titanium forming process was carried out with the Adina System v.8.3 based on the finite element method and the effects of friction, the holding-down force and tool geometry on the course of the stamping process were analyzed.
Journal ArticleDOI
Process Characterization of Sheet Metal Spinning by Means of Finite Elements
TL;DR: In this article, a 3D finite element model of the sheet metal spinning process is presented and discussed with respect to the qualitative stress distributions introduced in the existing theoretical models, which is, to the current state, only known in theory.
Journal ArticleDOI
Microstructure evolution of TA15 titanium alloy during hot power spinning
TL;DR: The microstructure evolution of TA15 titanium alloy during hot power spinning was studied in this paper, where the effect of wall reduction on the micro-structure of the alloy was investigated.
Flexible forming of thin aluminum alloy sheets
TL;DR: In this paper, a thin aluminium alloy sheet with two different geometries (a cylindrical cup and a straight rib) was used to make several upper dies which were used in combination with aluminium lower dies.
References
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Book
Manufacturing Processes for Engineering Materials
TL;DR: In this paper, the authors present the fundamental properties of materials and their properties, including surfaces, tribology, dimensional characteristics, inspection, and product quality assurance, and manufacturing properties of metals.
Journal ArticleDOI
Tube hydroforming: state-of-the-art and future trends
TL;DR: In this article, the fundamentals of tube hydroforming technology and how various parameters, such as tube material properties, pre-form geometry, lubrication and process control affect product design and quality are discussed.
Journal ArticleDOI
The formability of aluminum sheet in incremental forming
Myoung-Sup Shim,Jong-Jin Park +1 more
TL;DR: In this article, a forming tool containing a freely rotating ball was developed and used to characterize the formability of fully annealed Al 1050 sheet in incremental forming, where various strain paths were applied to the sheet by imposing different tool paths and the major and minor strains of deformed grids around cracks were measured.
Journal ArticleDOI
Evaluation of tube formability and material characteristics: hydraulic bulge testing of tubes
TL;DR: In this article, a tool set, a simple stand alone hydraulic bulging fixture, was developed to expand the tubes under bi-axial loading conditions, along with analytical methods and finite element simulation, for tubular workpieces.
Journal ArticleDOI
3D rigid-plastic FEM numerical simulation on tube spinning
TL;DR: In this paper, a finite element model suited to the nature of the tube spinning has been built and the deformation field of the process has been simulated by the 3D rigid-plastic FEM (finite element method) in this paper.