Numerical and experimental investigation on the deformation mechanism of micro single point incremental forming process

Song, Xu; Zhang, J.; Zhai, Wei; Taureza, Muhammad; Castagne, Sylvie; Danno, Atsushi

doi:10.1016/j.jmapro.2018.10.035

Cited by 16 publications

(7 citation statements)

References 21 publications

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“…In the years that followed, many studies were carried out to optimise the processing parameters for various kinds of sheet materials. Song et al [299] applied an experimental and numerical approach to the study of deformation mechanisms in micro-incremental sheet forming of truncated pyramids made of 1145 aluminium foil. Muthusamy et al [300] found that the step size and spindle speed had the greatest influence on the deformability of the material.…”

Section: Emerging Incremental Forming Methodsmentioning

confidence: 99%

Emerging Trends in Single Point Incremental Sheet Forming of Lightweight Metals

Trzepieciński

Oleksik

Pepelnjak

et al. 2021

Metals

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Lightweight materials, such as titanium alloys, magnesium alloys, and aluminium alloys, are characterised by unusual combinations of high strength, corrosion resistance, and low weight. However, some of the grades of these alloys exhibit poor formability at room temperature, which limits their application in sheet metal-forming processes. Lightweight materials are used extensively in the automobile and aerospace industries, leading to increasing demands for advanced forming technologies. This article presents a brief overview of state-of-the-art methods of incremental sheet forming (ISF) for lightweight materials with a special emphasis on the research published in 2015–2021. First, a review of the incremental forming method is provided. Next, the effect of the process conditions (i.e., forming tool, forming path, forming parameters) on the surface finish of drawpieces, geometric accuracy, and process formability of the sheet metals in conventional ISF and thermally-assisted ISF variants are considered. Special attention is given to a review of the effects of contact conditions between the tool and sheet metal on material deformation. The previous publications related to emerging incremental forming technologies, i.e., laser-assisted ISF, water jet ISF, electrically-assisted ISF and ultrasonic-assisted ISF, are also reviewed. The paper seeks to guide and inspire researchers by identifying the current development trends of the valuable contributions made in the field of SPIF of lightweight metallic materials.

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Section: Emerging Incremental Forming Methodsmentioning

confidence: 99%

Emerging Trends in Single Point Incremental Sheet Forming of Lightweight Metals

Trzepieciński

Oleksik

Pepelnjak

et al. 2021

Metals

View full text Add to dashboard Cite

show abstract

“…Forming tool diameter and model were defined as a rigid body. The sheet was defined as deformable [15][16][17]. The forming tool movement was defined with three different amplitudes.…”

Section: Methodsmentioning

confidence: 99%

Incremental Forming of Titanium Grade 2 Sheet by TPIF-RL Method

Seçgin¹,

Nart²,

Özsert³

2021

International Journal of Automotive Science and Technology

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TPIF-RL method is a new method that gives better wall thickness in incremental forming. In this method, the sheet is not fixed at the edges. Like the deep drawing process, it is compressed with a certain pressure. During the forming process, the sheet flows under the blankholder. Thus, more homogenous wall thickness is ob-tained.In this study, Titanium Grade 2 sheet is formed as a cone via TPIF-RL method. Optimum forming parameters were determined by Signal/Noise analysis. In addi-tion, finite element analysis of the process was performed. Using 2 bar clamping pressure, 1000 mm/min feedrate, 0.75 mm increment and 15 mm forming tool di-ameter optimum result was obtained. With these optimum parameters, 6% thin-ning occurs on sheet thickness. This new method ensures a homogeneous wall thickness distribution.

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“…To deform high strength metal sheets like Ti-6Al-4 V, a high forming force is required for the process. Wear and friction tracks are a common phenomenon usually present on the formed workpiece and forming tool [5,[14][15][16][17]. A previous study by Iseki and Naganawa [18] first introduced the ball-roller tool tip to reduce the friction force between a workpiece and the tool tip in the SPIF process.…”

Section: Tool and Spif System Designmentioning

confidence: 99%

A novel tool to enhance the lubricant efficiency on induction heat-assisted incremental sheet forming of Ti-6Al-4 V sheets

Essa

2022

Int J Adv Manuf Technol

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For heat-assisted single point incremental sheet forming (SPIF) works of Ti-6Al-4 V sheets, the use of lubricant has shown significant effects on surface quality and geometric accuracy at higher temperatures. Molybdenum disulphide (MoS2) is a common lubricant widely used in SPIF works, however, it usually indicates ineffective performance at high temperatures. This article has studied different lubricants of MoS2 lubricants and proposed a novel mixture of MoS2 to provide better surface quality and improve geometric accuracy. A forming tool with a ball-roller and water channel was designed to enable the MoS2 mixture to pass through the tool tip, allowing easy application of the lubricant on the localised area and reduce the thermal expansion on the ball-roller. Surface roughness analysis has revealed that the water-cooling MoS2 mixture performed well in reducing friction effects and achieved better geometric accuracy. Forming forces measurements, scanning electron microscope (SEM), energy-dispersive X-ray analysis (EDX) and micro-hardness tests also indicated that a higher strain hardening behaviour was detected for the water-cooling MoS2 mixture.

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Numerical and experimental investigation on the deformation mechanism of micro single point incremental forming process

Cited by 16 publications

References 21 publications

Emerging Trends in Single Point Incremental Sheet Forming of Lightweight Metals

Emerging Trends in Single Point Incremental Sheet Forming of Lightweight Metals

Incremental Forming of Titanium Grade 2 Sheet by TPIF-RL Method

A novel tool to enhance the lubricant efficiency on induction heat-assisted incremental sheet forming of Ti-6Al-4 V sheets

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