A drag-link drive of mechanical presses for precision drawing

W. M. Hwang; Y. C. Hwang; S. T. Chiou

doi:10.1016/0890-6955(94)00130-C

A drag-link drive of mechanical presses for precision drawing

W. M. Hwang, Y. C. Hwang, S. T. Chiou

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The augmented Lagrange multiplier method has been used to synthesize the dimensions of a drag-link drive of mechanical presses for precision drawing. The objective functions include the maximum normal force on the guide, mean mechanical advantage, variance of the drawing velocity, etc. The constraints include the working velocity for drawing, variance of the working velocity for precision drawing, time ratio, etc. Based on the concept of kinematic coefficients, a method is proposed to provide suitable initial guesses of the optimization. The drag-link drive thus synthesized has performance superior to an existing press for precision drawing.

Original language	English
Pages (from-to)	1425-1433
Number of pages	9
Journal	International Journal of Machine Tools and Manufacture
Volume	35
Issue number	10
DOIs	https://doi.org/10.1016/0890-6955(94)00130-C
Publication status	Published - 1995 Oct

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/0890-6955(94)00130-C

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AB - The augmented Lagrange multiplier method has been used to synthesize the dimensions of a drag-link drive of mechanical presses for precision drawing. The objective functions include the maximum normal force on the guide, mean mechanical advantage, variance of the drawing velocity, etc. The constraints include the working velocity for drawing, variance of the working velocity for precision drawing, time ratio, etc. Based on the concept of kinematic coefficients, a method is proposed to provide suitable initial guesses of the optimization. The drag-link drive thus synthesized has performance superior to an existing press for precision drawing.

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A drag-link drive of mechanical presses for precision drawing

Abstract

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