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Ductile Fracture Analysis in Nakazima vs. SPIF Tests
Advances in Science and Technology, 2023The Forming Limit Curve (FLC) shows the limit combinations of principal strains on the sheet surface that can be successfully achieved before necking appears. Above the FLC, Atkins in 1996 proposed the existence of an unstable region where localized necking develops before reaching at the Fracture Forming Limit (FFL).
Marcos Borrego Puche +4 more
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Electric Energy Consumption Analysis of SPIF Processes
Key Engineering Materials, 2013Manufacturing processes, as used for discrete part manufacturing, are responsible for a substantial part of the environmental impact of products, but are still poorly documented in terms of environmental footprint. A thorough analysis on the causes affecting the environmental impact in metal forming processes, especially the innovative but very energy ...
INGARAO, Giuseppe +5 more
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SPIF of brass alloys: Preliminary studies
AIP Conference Proceedings, 2016This article discusses the preliminary studies of the Single Point Incremental Forming (SPIF) process applied brass alloy Cu-35Zn, with different sheet thicknesses and formed geometries. Despite being a material widely used in industry, with excellent cold formability, there is still no relevant research on this material concerning SPIF. As a result of
Daniel Fritzen +7 more
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Comparison between SPIF with Robot and CNC Machine
Key Engineering Materials, 2011This paper deals with Incremental Sheet Forming (ISF) a sheet metal forming process that knew a wide development in the last years. A lot of experimental and simulative researches have been conducted in this field with different aims: to study the sheet formability and part feasibility; to define models able to forecast the final sheet thickness; to ...
ATTANASIO, Aldo +3 more
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Advances in force modelling for SPIF
International Journal of Material Forming, 2009The aim of the study was to establish practical formulas allowing to predict the forces occurring during the process of Single Point Incremental Forming (SPIF). This study has been based on a large set of systematic experiments on one hand and on results of FEM simulations on the other hand. This led to analytical formulas allowing to compute the three
R. Aerens +3 more
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Deformation Evaluation of A5052 Sheet Metal in SPIF Process
Materials Science Forum, 2023The single point incremental forming (SPIF) process is a high-trend method for forming a metal in a desirable shape. Forming parameters is an important part of deforming metal sheets. So, while reshaping a metal sheet parameters like tools, toolpath, material properties, sheet thickness, and lubricant were considered.
Krishna Singh Bhandari +4 more
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Stabilized-speckle integral field spectroscopy: SPIFS
SPIE Proceedings, 2008We describe an instrument concept and basic feasibility study for a new observational technique which we call Stabilized-sPeckle Integral Field Spectroscopy (SPIFS). SPIFS will enable, under certain observational conditions and constraints, low-to-modest-Strehl diffraction-limited imaging spectroscopy from large ground-based telescopes in the ...
Stephen S. Eikenberry +2 more
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Forming Parameters and Optimization of A5052 in SPIF Process
Materials Science Forum, 2023Forming a metallic sheet along with the consideration of computer simulation and experiment had benefited the milling industry for a long time. The ideal forming, without an error, is a concerning topic. So, the computer simulation had the advantage then direct forming.
Krishna Singh Bhandari +4 more
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1997
This paper introduces the current developments of the SPIF (Systeme de Prototypage a Implantation rapide et Faible cout) project. The goal of SPIF is to provide a low cost environment for quick prototyping of embedded distributed real-time applications. The hardware platform is built with reusable, standard off-the-shelf components. SPIF is the name of
Bertrand Dupouy +3 more
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This paper introduces the current developments of the SPIF (Systeme de Prototypage a Implantation rapide et Faible cout) project. The goal of SPIF is to provide a low cost environment for quick prototyping of embedded distributed real-time applications. The hardware platform is built with reusable, standard off-the-shelf components. SPIF is the name of
Bertrand Dupouy +3 more
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Experimental failure analysis in polycarbonate sheet deformed by spif
Journal of Manufacturing Processes, 2021Abstract The analysis of polymeric sheet materials deformed by means of incremental sheet forming technologies has recently caught the attention of a number of research groups of the materials forming community. The versatility of the process, which allow manufacturing customised sheet components without the need of dedicated tools or dies, as well ...
A. Rosa-Sainz +3 more
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