Investigations on a novel quadratic spiral tool path and its effect on incremental sheet forming process

Chang, Zhidong; Ли, Менг; Li, Ming; Chen, Jun

doi:10.1007/s00170-019-03649-7

Cited by 8 publications

(1 citation statement)

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“…isF allows the set-up time of element manufacturing and the cost of manufacturing to be reduced. the main advantages of single point incremental forming are that much less forming force is required compared to conventional deep drawing and that it provides the ability to shape elements on a conventional CNC milling machine [2,3].…”

Section: Introductionmentioning

confidence: 99%

Archives of Metallurgy and Materials

2022

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Manufacture of Bead-Stiffened PanelS uSing the Single Point increMental Sheet forMing techniquethis paper presents the results of experimental research on the fabrication of thin-walled panels with longitudinal stiffening ribs by the single point incremental sheet forming technique. the bead-stiffened panels were made of alclad 2024-t3 aluminium alloy sheets commonly used in aircraft structures. the influence of forming parameters and tool strategy on surface quality and the possibility of obtaining stiffening ribs with the required profile and depth was tested through experimental research. two tool path strategies, spiral with continuous sinking and multi-step z-level contouring, were considered. the results of the experiments were used to verify the finite element-based numerical simulations of the incremental forming process. it was found that the main parameter which influences the formability of test sheets is the tool path strategy; the tool path strategy with multi-step z-level contouring allowed the rib to be formed to a depth of 3.53 mm without risk of cracking. However a greater depth of rib equal of 5.56 mm was achieved with the continuous tool path. the tool path strategy was also the main parameter influencing the surface finish of the drawpiece during the single point incremental forming process.

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Section: Introductionmentioning

confidence: 99%