Incremental sheet metal forming (ISMF): A literature review

Ajay, C; Boopathi, C.; Kavin, P.

doi:10.1063/1.5117955

Cited by 13 publications

(4 citation statements)

References 20 publications

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“…The most widely used conventional forming process is stamping [2], which has the drawback of high investment costs. As time passes, many vehicles and equipment become scarce, and large-quantity productions are not possible [3]. Our target in this paper is to analyze the deformation behaviors of large-size incremental forming parts with ac-acceptable accuracy and efficiency for industrial applications.…”

Section: Introductionmentioning

confidence: 99%

Numerical Modelling for Efficient Analysis of Large Size Multi-Stage Incremental Sheet Forming

Abdel-Nasser,

Ma,

Rashed

et al. 2023

JMMP

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Incremental sheet forming (ISF) is an advanced flexible manufacturing process to produce complex 3D products. Unlike the conventional stamping process, ISF does not require any high cost dedicated dies. However, numerical computation for large-size ISF processes is time-consuming, and its accuracy for spring back due to unclamping tools after ISF cannot satisfy industrial demand. In this paper, an advanced numerical model considering complicated forming tool paths, trimming, and spring back was developed to efficiently simulate the multi-stage deformation phenomena of incremental sheet forming processes. Numerical modeling accuracy and efficiency are investigated considering the influence of tool path, material properties of the blank, mesh size, and boundary conditions. Through a series of case studies and comparisons with experimental results, it is observed that the numerical model with kinematics material properties and a moderate element size (5 mm) may reproduce the deformation characteristics of ISF with good accuracy and can obtain practical efficiency for a large-size ISF part.

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Section: Introductionmentioning

confidence: 99%

Numerical Modelling for Efficient Analysis of Large Size Multi-Stage Incremental Sheet Forming

Abdel-Nasser,

Ma,

Rashed

et al. 2023

JMMP

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“…Taguchi DOE was used and found that material thickness, tool size and their interaction significantly affect the surface roughness and formability. Various reviews are available for tracking the history and development of ISF [2,3]. DoE is a powerful tool for assessing the influence of process parameters on ISF.…”

Section: Introductionmentioning

confidence: 99%

Investigation of surface roughness in multi point incremental sheet metal forming

Shafeek

Raju³

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Surface quality is one of the key parameters in Multipoint Incremental Sheet forming (MPIF). This work focuses on finding the factors influencing surface quality in MPIF. Three different parameters namely speed, feed and step depth are considered for the study. The effects of the above input variables on surface quality was investigated by Taguchi’s design of experiments and finally the optimum input parameters combination for minimum surface roughness is found. The most influencing parameter is found to be step depth followed by speed and feed. The findings were validated by a confirmation test.

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“…Aircraft stringer-stiffened components and fuselage components are joined in a metallic structure by means of welding or riveting to form a complete wing and fuselage structure [ 11 ]. The rib-stiffened panels can be formed integrally, for example by using Single Point Incremental Forming (SPIF) [ 12 , 13 ]. Rib-stiffened panels have many advantages that include cost savings through reductions in tooling, assembly labour, and manufacturing time [ 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

Ultimate Load-Carrying Ability of Rib-Stiffened 2024-T3 and 7075-T6 Aluminium Alloy Panels under Axial Compression

et al. 2021

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Stringer-stiffened panels made of aluminium alloys are often used as structural elements in the aircraft industry. The load-carrying capacity of this type of structure cannot relieve the reduction in strength in the event of local buckling. In this paper, a method of fabrication of rib-stiffened panels made of EN AW-2024-T3 Alclad and EN AW-7075-T6 Alclad has been proposed using single point incremental forming. Panels made of sheets of different thickness and with different values of forming parameters were tested under the axial compression test. A digital image correlation (DIC)-based system was used to find the distribution of strain in the panels. The results of the axial compression tests revealed that the panels had two distinct buckling modes: (i) The panels buckled halfway up the panel height towards the rib, without any appreciable loss of rib stability, and (ii) the rib first lost stability at half its height with associated breakage, and then the panel was deflected in the opposite direction to the position of the rib. Different buckling modes can be associated with the character of transverse and longitudinal springback of panels resulting from local interaction of the rotating tool on the surface of the formed ribs.

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Incremental sheet metal forming (ISMF): A literature review

Cited by 13 publications

References 20 publications

Numerical Modelling for Efficient Analysis of Large Size Multi-Stage Incremental Sheet Forming

Numerical Modelling for Efficient Analysis of Large Size Multi-Stage Incremental Sheet Forming

Investigation of surface roughness in multi point incremental sheet metal forming

Ultimate Load-Carrying Ability of Rib-Stiffened 2024-T3 and 7075-T6 Aluminium Alloy Panels under Axial Compression

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