A parameter study for static and dynamic denting

Jung, Dong-Won; Worswick, Michael J.

doi:10.1007/bf02990443

Cited by 5 publications

(2 citation statements)

References 14 publications

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“…Responses are the system outputs, and are functions of control and noise factors. The focus in robust design is to reduce the variation of system performance responses caused by uncertainty of noise factor values, or to reduce system sensitivity [7,8]. Solutions, which are system designs represented through settings of the control factors, are sought that minimize response variation in addition to achieving performance targets (mean, y µ on target and minimized variance, 2 y σ ).…”

Section: Robust Design Steps For Hot Forging Technology Based On Finimentioning

confidence: 99%

Gear hot forging process robust design based on finite element method

Chen

Jung

2008

J Mech Sci Technol

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During the hot forging process, the shaping property and forging quality will fluctuate because of die wear, manufacturing tolerance, dimensional variation caused by temperature and the different friction conditions, etc. In order to control this variation in performance and to optimize the process parameters, a robust design method is proposed in this paper, based on the finite element method for the hot forging process. During the robust design process, the Taguchi method is the basic robust theory. The finite element analysis is incorporated in order to simulate the hot forging process. In addition, in order to calculate the objective function value, an orthogonal design method is selected to arrange experiments and collect sample points. The ANOVA method is employed to analyze the relationships of the design parameters and design objectives and to find the best parameters. Finally, a case study for the gear hot forging process is conducted. With the objective to reduce the forging force and its variation, the robust design mathematical model is established. The optimal design parameters obtained from this study indicate that the forging force has been reduced and its variation has been controlled.

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Section: Robust Design Steps For Hot Forging Technology Based On Finimentioning

confidence: 99%

Gear hot forging process robust design based on finite element method

Chen

Jung

2008

J Mech Sci Technol

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“…An increase in stiffness has a positive effect on the dent resistance of thin panels [9]. The stiffness decreases with increasing the size and curvature of the panel and increases with increasing the panel thickness [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

A new parameter and its effect on the formability in single point incremental forming: A fundamental investigation

2010

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A new parameter, blank stiffness, with a potential effect on the formability in single point incremental forming (SPIF) has been introduced and investigated. Various plates with a square hole at the center and half-side length of the square ranging from 12-56mm were used as backing plates for blanks. It is shown that with a decrease in the size of hole/work-piece, there is an increase in the blank stiffness. This increase in the stiffness in turn adversely affects the formability in SPIF process.

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