Accumulative-DSIF strategy for enhancing process capabilities in incremental forming

Malhotra, Rajiv; Cao, Jian; Beltran, Michael; Xu, Dongkai; Magargee, James; Kiridena, Vijitha; Xia, Zhihong

doi:10.1016/j.cirp.2012.03.093

Cited by 72 publications

(45 citation statements)

References 6 publications

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“…In the DSIF process, two counter tools are employed to provide extra flexibility in the forming process. A few strategies have been proposed: Cao et al [22] developed an accumulative forming approach, in which in-out toolpath strategy was employed. Meier et al proposed two DSIF forming strategies including DSIF with peripheral support and DSIF with local support [25].…”

Section: Methodologiesmentioning

confidence: 99%

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Cranial Reconstruction Using Double Side Incremental Forming

Lü

Liu

et al. 2015

KEM

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Section: Methodologiesmentioning

confidence: 99%

“…The DSIF process was first investigated by Meier et al employing two industrial robots [20,21]. A DSIF machine was developed and an accumulative DSIF strategy was proposed by Cao et al [22]. With a developed DSIF machine, the comparison between DSIF and conventional SPIF were made [23].…”

Section: Introductionmentioning

confidence: 99%

Cranial Reconstruction Using Double Side Incremental Forming

Lü

Liu

et al. 2015

KEM

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“…Single Point Incremental Forming (SPIF) that employs a single tool to form the sheet from one side is the most common configuration of IF. SPIF is plagued by an inherent geometric inaccuracy [1]. Allwood et al [2] report that the accuracy of IF processes is only ±3mm, and the required accuracy is around ±0.2mm for industrial application.…”

Section: Introductionmentioning

confidence: 99%

“…They have shown that the minimum and maximum deviation is-0.27mm and 0.91mm, respectively. Malhotra et al [1] studied in-to-out tool path strategy to maintain the contact between forming tool and supporting tool which are displacement controlled and improve the accuracy. WANG et al [10] used two pairs of tools as the dynamic supporting tools which are located on the back and side of a pair of main tools to localize the deformation and developed experimental equipment.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Validation of the Layered Deformation for Double Sided Incremental Forming

Wang¹,

Wei²,

Wang³

et al. 2015

TOAUTOCJ

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This work proposes an equivalent layered model based on the contour trajectory for Double Sided Incremental Forming (DSIF). The layered deformation and displacement are analyzed for the truncated cones with different height. The displacement for every layer is obtained by numerical analysis and theoretical calculation under the assumption of straight projection. A general method is introduced to estimate the thickness by using of the surface geometry of the desired component. Analytical, numerical and experimental results are compared for the historical displacement, the final geometry and thickness. It is demonstrated that the proposed model and method are reliable and effective in the predictions of historical displacement, geometric accuracy and thickness for DSIF.

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“…Compared with conventional sheet forming technologies, ISF does not require specified forming tools, which reduced cost and lead time in manufacturing process. In the investigation of the ISF process, many technologies such as two point incremental forming(TPIF) [1], double side incremental forming(DSIF) [2] have been proposed and many efforts have been made for improved ISF technology during the past years [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Investigation of the deformation stability in the incremental sheet forming process

Lü

Long

et al. 2015

MATEC Web of Conferences

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Abstract. Incremental sheet forming (ISF) is a highly versatile and flexible process for rapid manufacturing of complex sheet metal parts. One of the unique characters of the ISF process is the improved formability comparing to conventional sheet forming process. This may be due to the localized deformation nature, which increases the deformation stability in the ISF process. Although many hypotheses have been proposed, there is no direct modelling and calculation of the ISF deformation stability. Aiming to obtain a better understanding of the ISF process, an analytical model was developed to investigate and analyse the material deformation stability in this work. Based on the analytical evaluation of stress variations and force equilibrium, a mathematical relationship between the maximum forming angle and the process stability condition was established. To validate the developed model, experiments were carried out by forming a hyperbolic part made of AA1100 material. The maximum forming angle, as an indicator to the ISF formability, was employed compare the analytical evaluation and experimental result. It was found that the ISF deformation stability is one of the key factors that affect the ISF formability. This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Nomenclature

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Accumulative-DSIF strategy for enhancing process capabilities in incremental forming

Cited by 72 publications

References 6 publications

Cranial Reconstruction Using Double Side Incremental Forming

Cranial Reconstruction Using Double Side Incremental Forming

Modeling and Validation of the Layered Deformation for Double Sided Incremental Forming

Investigation of the deformation stability in the incremental sheet forming process

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