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The Research on Key Technologies of Cam Mechanism for Automobile Panel Die

Author: SunYaDong
Tutor: LiZhiGang；WangYiLin
School: Huazhong University of Science and Technology
Course: Materials Processing Engineering
Keywords: automobile panel cam mechanism design optimization parametric design standardization UG
CLC: U468.2
Type: Master's thesis
Year: 2011
Downloads: 82
Quote: 3
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Abstract


The cam mechanism is an important issue in automobile panel die design, and the design of cam mechanism is a more difficult part in the die design. The design quality of cam mechanism has the direct effect on the structure design of die, the quality of punching、trimming and flanging process. The design time of cam mechanism covers a large part of the total design time of the panel die. Theremore its design efficiency directly determines the design efficiency of the automobile panel dieThe strict requirements of panel decide the complexity and importance of the cam mechamism. The traditional cam mechanism design highly relies on the experience of the designers, and to complete a design often needs trial and revisal many times. It makes cam design became a bottleneck of automobile panel die.Thesis has made comprehensive analysis of the features of the cam, summarized its function、structure、classification、relationship between stress and displacement、and its application. And it also analyses the reasons of low design efficiency, summarizes the general design process and the method of determining the parameters of the cam. In order to facilitate the cam mechanism design system implementat, it summarizes the cam mechanism into a general one, and makes the parameters optimized.This article concluded a general method of computer-aided design for cam design, and developed a cam design systerm for automotive panel die design. According the needs of industrial design, the system is composed of the standard cam tool and the special cam tool. The standard cam tool provides the current mainstream standard cam design(such ans MISUMI, SANKO, PUNCH), and establishes a standard cam library. The standard library is compatible with both parametric model and non-parametric model, and greatly improves its applicability. The special cam tool provides a strong generating and editing features, and greatly reduces the cam design complexity.The automotive panel cam design system is a new ststerm for panel die design. This system combined the experience of designers, the specifications of the cam design, and industry standard together through the CAD technology. It effectively improved the quality and efficiency of cam mechanism design, and ensured the applicability of the system.

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CLC: > Transportation > Road transport > Automotive Engineering > Automobile factory > Factory equipment and installation
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