Re-forming end-of-life components through single point incremental forming

Ingarao, Giuseppe; Zaheer, Omer; Campanella, Davide; Fratini, Livan

doi:10.1016/j.mfglet.2020.05.001

Cited by 15 publications

(12 citation statements)

References 14 publications

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“…Considering the selected levels for each parameter, the higher numerical value is being selected very close to the part property limits. In fact, in case of the angle selected, which according to the existing literature, was found to be 65° [17] and the maximum value selected in this case study was 60°, whereas the lower value was selected as 45°, significant for the scope of the paper.…”

Section: Methodsmentioning

confidence: 84%

“…Although the SPIF process causes severe thinning in the cone walls [17], sound samples were obtained for all the experiments. In Fig.…”

Section: Methodsmentioning

confidence: 99%

“…It is worth mentioning that there is a lack of process mechanics analyses; for the proposed processes neither process windows nor process parameter influence has been analyzed so far. The authors of the present paper have recently proved a novel approach to reshape sheet metal based EoL components [17]. Specifically, SPIF was used to change the shape of deep-drawn (DD) square box part, the technical feasibility in terms of formability, stains, and thickness distribution was proved for the aluminum-based component reshaping.…”

Section: Introductionmentioning

confidence: 95%

See 2 more Smart Citations

Geometrical deviation of end-of-life parts as a consequence of reshaping by single point incremental forming

Zaheer

Ingarao

Pirrotta

et al. 2021

Int J Adv Manuf Technol

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Putting in place circular economy strategies is an urgent challenge to face. In this scenario, manufacturing processes play a relevant role as efficient material reuse enabler. Scientists have to make an effort either to find new process or to rethink old process to reprocess end-of-life (EoL) component to recover both material and functions. In this paper, single point incremental forming (SPIF) process is used for reshaping sheet metal EoL components. The entire process chain was replicated including both deep drawing process (to imitate the end-of-life component) as well as SPIF operations (to obtain the reshaped components). The geometrical deviation as a consequence of SPIF operations was studied; two different SPIF directions (named inwards and outwards) were analyzed. A wide experimental campaign along with statistical analyses was developed to analyze effects of some geometrical parameters on the observed geometrical deviation. The results are promising as limited distortions were observed and sound components were obtained in all the analyzed process configurations. Despite that, some research is still needed to better standardize the reshaping process and bring it closer to an industrial applicability.

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Section: Methodsmentioning

confidence: 84%

“…Although the SPIF process causes severe thinning in the cone walls [17], sound samples were obtained for all the experiments. In Fig.…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 95%

See 1 more Smart Citation

Geometrical deviation of end-of-life parts as a consequence of reshaping by single point incremental forming

Zaheer

Ingarao

Pirrotta

et al. 2021

Int J Adv Manuf Technol

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“…The issue of reusing parts obtained by metal forming technologies (in most cases by deep drawing) was studied by Ingarao et al [97]. In order to reduce metal waste, scrap parts can be reused if they are processed by SPIF.…”

Section: Process Formability Of Aluminium and Aluminium Alloysmentioning

confidence: 99%

Recent Developments and Future Challenges in Incremental Sheet Forming of Aluminium and Aluminium Alloy Sheets

Trzepieciński

Najm

Oleksik

et al. 2022

Metals

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Due to a favourable strength-to-density ratio, aluminium and its alloys are increasingly used in the automotive, aviation and space industries for the fabrication of skins and other structural elements. This article explores the opportunities for and limitations of using Single- and Two Point Incremental Sheet Forming techniques to form sheets from aluminium and its alloys. Incremental Sheet Forming (ISF) methods are designed to increase the efficiency of processing in low- and medium-batch production because (i) it does not require the production of a matrix and (ii) the forming time is much higher than in conventional methods of sheet metal forming. The tool in the form of a rotating mandrel gradually sinks into the sheet, thus leading to an increase in the degree of deformation of the material. This article provides an overview of the published results of research on the influence of the parameters of the ISF process (feed rate, tool rotational speed, step size), tool path strategy, friction conditions and process temperature on the formability and surface quality of the workpieces. This study summarises the latest development trends in experimental research on, and computer simulation using, the finite element method of ISF processes conducted in cold forming conditions and at elevated temperature. Possible directions for further research are also identified.

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“…These studies, although have the merit to propose the idea of Reshaping, they are preliminary ones and the potential of forming process in this new domain is not explored yet. The authors of the present paper have recently successfully applied Single Point Incremental forming SPIF to reshape sheet metal based EoL components [7]. Specifically, SPIF was used to change the shape of deep-drawn (DD) square box part.…”

Section: /1mentioning

confidence: 99%

Understanding formability and geometrical accuracy of SPIF process used as Reshaping approach

Zaheer¹,

Ingarao²,

Lorenzo³

et al. 2021

Esaform 2021

Self Cite

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Putting in place Circular Economy strategies is an urgent action to be undertaken. Manufacturing processes play a relevant role as efficient material reuse enabler. Scientists have to make an effort either to find new process or to rethink old process to reprocess End-of-life (EoL) components to recover both material and functions. In this paper, Single Point Incremental Forming (SPIF) process is used for reshaping sheet metal EoL components. Deep drawing process as well as uniaxial pre-straining (to imitate the End-of-Life component) followed by SPIF operations (to obtain the reshaped components) are set- up and implemented to form and reform aluminum sheet metal components. As the authors have already proved the technical feasibility of such an approach, the present paper aims at a better understanding of the formability and geometrical accuracy performance of SPIF process as used to reform components. Specifically, an experimental campaign varying kind and extent of restraining is developed and the formability and geometrical accuracy of the subsequent SIPF operations is analyzed. Results proves that SPIF process is a promising approach for reshaping purpose.

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Re-forming end-of-life components through single point incremental forming

Cited by 15 publications

References 14 publications

Geometrical deviation of end-of-life parts as a consequence of reshaping by single point incremental forming

Geometrical deviation of end-of-life parts as a consequence of reshaping by single point incremental forming

Recent Developments and Future Challenges in Incremental Sheet Forming of Aluminium and Aluminium Alloy Sheets

Understanding formability and geometrical accuracy of SPIF process used as Reshaping approach

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