A new forming method of solid bosses on a cup made by deep drawing

Wang, Z.G.; Yoshikawa, Yasuharu; Osakada, Kohtaro

doi:10.1016/j.cirp.2013.03.057

Cited by 35 publications

(9 citation statements)

References 5 publications

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“…Numerical investigation on thickening blanks identified an interaction between friction and the material flow, too [8]. Forming of solid bosses on the bottom of cups is analysed in both experimental and numerical studies [9]. To increase thickness locally bulk forming is performed perpendicular to the sheet plane.…”

Section: Materials Flow and Tribological Conditions In Sbmfmentioning

confidence: 99%

Plastic flow and its control in sheet–bulk metal forming of thin-walled functional components

2015

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Section: Materials Flow and Tribological Conditions In Sbmfmentioning

confidence: 99%

Plastic flow and its control in sheet–bulk metal forming of thin-walled functional components

2015

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“…Wang et al proposed a new process for forming bosses on the bottom of a cup made by deep drawing. Solid bosses were formed by compression of the cup bottom during deep drawing [1]. Wang et al proposed a sheet metal stamping-forging process in which a car fly panel part was formed by drawing firstly and then forged to thicken wall [2].…”

Section: Introductionmentioning

confidence: 99%

A sheet blank rotary forging process for disk-like parts with thickened rims

Jin

Wang

2016

J Mech Sci Technol

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Disk-like parts with both thin web plates and thick rims are widely applied in automotive and aviation industries. These parts are usually made via welding and machining, which often lead to low material utilization, high energy consumption and low product performance. Therefore, a new sheet blank rotary forging process for thickening the rims of disc-like sheet blanks with uniform thicknesses was proposed in this paper. Based on FEA and experiments, both the effects of main defects and process parameters on forming were investigated. Besides, by considering the flow line distribution in formed parts, the material deformation feature in the forming process was analyzed. The results showed that the deformation process can be divided into four stages, and there are mainly four kinds of defects occurring during forming. Materials in the outer side of rim flows not only in the radial direction but also in the tangential direction.

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“…In their study, the outer cylinder was first formed via forward drawing, and then the inner cylinder was formed by powerful backward drawing and finally thickened by upsetting. Wang et al (2013) proposed a novel process for forming bosses on the bottom of a cup made by deep drawing in which the bosses are formed by compression of the cup bottom during deep drawing.…”

Section: Introductionmentioning

confidence: 99%