Multi-point forming using mesh-type elastic cushion: modelling and experimentation

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Multi-point forming using mesh-type elastic cushion : modelling and experimentation. / Tolipov, A.; Elghawail, A.; Abosaf, M.; Pham, D.; Hassanin, H.; Essa, K.

In: The International Journal of Advanced Manufacturing Technology, Vol. 103, No. 5-8, 01.08.2019, p. 2079–2090.

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@article{d3eb918f917d48198cd999d9bc6f3017,
title = "Multi-point forming using mesh-type elastic cushion: modelling and experimentation",
abstract = "There is a growing demand for flexible manufacturing techniques that meet the rapid changes in production technology, processes and innovations. Multi-point forming (MPF) is a flexible sheet metal forming technique where a reconfigurable die can be readily changed to produce various shapes. Parts produced using MFP suffers from geometrical defects such as wrinkling, dimpling and thickness variations. In this paper, a multi-point forming process using a novel mesh-type elastic cushion was proposed in order to improve the quality of the deformed sheet and to minimize the developed defects. Finite element modelling (FEM) and design of experiments (DoE) were used to study the influence of the mesh-type elastic cushion parameters such as the type and the size of the mesh, and the thickness of the cushion on the wrinkling, deviation, and thickness variation of the deformed sheet. The results showed that using elastic cushion with square meshes of a size of 3.5 mm and a thickness of 3 mm reduced the wrinkling from 3.18 mm to 1.98 mm while the thickness variation improved from 98 µm to 19 µm. Finally, the deviation from target shape reduced from 1.7848 mm to 0.0358 mm. ",
keywords = "Multi-point forming, Mesh-Type Elastic Cushion, finite element modelling, Design of Experiment",
author = "A. Tolipov and A. Elghawail and M. Abosaf and D. Pham and H. Hassanin and K. Essa",
year = "2019",
month = aug,
day = "1",
doi = "10.1007/s00170-019-03635-z",
language = "English",
volume = "103",
pages = "2079–2090",
journal = "The International Journal of Advanced Manufacturing Technology",
issn = "0268-3768",
publisher = "Springer",
number = "5-8",

}

RIS

TY - JOUR

T1 - Multi-point forming using mesh-type elastic cushion

T2 - modelling and experimentation

AU - Tolipov, A.

AU - Elghawail, A.

AU - Abosaf, M.

AU - Pham, D.

AU - Hassanin, H.

AU - Essa, K.

PY - 2019/8/1

Y1 - 2019/8/1

N2 - There is a growing demand for flexible manufacturing techniques that meet the rapid changes in production technology, processes and innovations. Multi-point forming (MPF) is a flexible sheet metal forming technique where a reconfigurable die can be readily changed to produce various shapes. Parts produced using MFP suffers from geometrical defects such as wrinkling, dimpling and thickness variations. In this paper, a multi-point forming process using a novel mesh-type elastic cushion was proposed in order to improve the quality of the deformed sheet and to minimize the developed defects. Finite element modelling (FEM) and design of experiments (DoE) were used to study the influence of the mesh-type elastic cushion parameters such as the type and the size of the mesh, and the thickness of the cushion on the wrinkling, deviation, and thickness variation of the deformed sheet. The results showed that using elastic cushion with square meshes of a size of 3.5 mm and a thickness of 3 mm reduced the wrinkling from 3.18 mm to 1.98 mm while the thickness variation improved from 98 µm to 19 µm. Finally, the deviation from target shape reduced from 1.7848 mm to 0.0358 mm.

AB - There is a growing demand for flexible manufacturing techniques that meet the rapid changes in production technology, processes and innovations. Multi-point forming (MPF) is a flexible sheet metal forming technique where a reconfigurable die can be readily changed to produce various shapes. Parts produced using MFP suffers from geometrical defects such as wrinkling, dimpling and thickness variations. In this paper, a multi-point forming process using a novel mesh-type elastic cushion was proposed in order to improve the quality of the deformed sheet and to minimize the developed defects. Finite element modelling (FEM) and design of experiments (DoE) were used to study the influence of the mesh-type elastic cushion parameters such as the type and the size of the mesh, and the thickness of the cushion on the wrinkling, deviation, and thickness variation of the deformed sheet. The results showed that using elastic cushion with square meshes of a size of 3.5 mm and a thickness of 3 mm reduced the wrinkling from 3.18 mm to 1.98 mm while the thickness variation improved from 98 µm to 19 µm. Finally, the deviation from target shape reduced from 1.7848 mm to 0.0358 mm.

KW - Multi-point forming

KW - Mesh-Type Elastic Cushion

KW - finite element modelling

KW - Design of Experiment

UR - http://www.scopus.com/inward/record.url?scp=85064641112&partnerID=8YFLogxK

U2 - 10.1007/s00170-019-03635-z

DO - 10.1007/s00170-019-03635-z

M3 - Article

VL - 103

SP - 2079

EP - 2090

JO - The International Journal of Advanced Manufacturing Technology

JF - The International Journal of Advanced Manufacturing Technology

SN - 0268-3768

IS - 5-8

ER -