Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
Volume 227, Issue 8, Pages 1099-1110Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954405413484014
Keywords
Computer numerical control machine; incremental forming; electrically assisted manufacturing; magnesium alloy sheet; surface roughness; geometric accuracy
Funding
- Fondazione Cassa di Risparmio di Padova e Rovigo (CARIPARO)
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This article presents the use of an electrically assisted manufacturing method in the incremental sheet forming process to improve formability, surface quality, and geometric accuracy. This system utilizes a direct current source connected directly to a metal sheet through two electrodes at opposite edges to conduct heat based on Joule's effect. The approach produces a homogeneous heating zone in the whole metal sheet with very short ramping time. In this work, the heating system is designed to serve the investigation of formability, geometric accuracy, and surface roughness of the hot incremental forming technology. Three main results expected from this system are the influence of the processing parameters on the formability, the ability to improve accuracy and formability, and the reduction or elimination of springback effects in the deformation of high-strength aluminum alloy sheets (AA5055) and magnesium alloy sheets (AZ31).
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