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Research & Development of 3D Parameterized Standard Part Library for Automotive Punching Die Based on Unigraphics CAD Platform

Author: XuGuoSheng
Tutor: ZhouZhiXiong
School: Hunan University
Course: Mechanical Manufacturing and Automation
Keywords: CAD Parameterized Design Three Dimensional Modeling UG Standard Part Library Automotive Punching Die
CLC: U466
Type: Master's thesis
Year: 2004
Downloads: 802
Quote: 21
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Abstract


With the development of CAD technology, the application of CAD/CAM for mould has been an effective approach to improve the quality and efficiency of designing and manufacturing for automotive punch die; however, the mould design based on CAD platform generally focous more attention on the problems in common such as curved surface modeling, mould disparting and so on, but the structure designing of mould has become a weak section of mould design because it must be carried out in a basic routine which is complicated and low-efficient. On the other hand, the parts used in designing of automotive punching die are usually serialized standard parts including guide-bush and guide-post etc or typical parts like upper holder or lower holder which have the same structural unit. So it is a feasible way to build parameterized 3D library of standard part for punching die on the generalCAD platform.Under this background, fundamental theorys of parametrization and feature modeling, techniques related to UG re-development, and methods of establishing standard part library based on UG platform were comprehensively researched. The whole scheme to re-develope UG software was gained by repeatedly practising in both user interface development and application programming. Also, according to the structural characteristic of the standard parts and the typical parts, the parameterized feature model of the parts was ascertained. Some key technical problems existing in common system structure of standard part library were solved, and then the general system structure of the library of standard part for automotive punching die was presented. Finally, a set of parameterized 3D library of standard part for automotive punching die was built on UG CAD platform by utilizing UG redevelopment tools: UG/Open API, MenuScript, UIStyler, and Visual C++ 6.0.The library of standard part for automotive punching die can be automatically loaded into UG running space for it was developed by internal mode, and thus its executing code is small, and its link speed is fast. With friendly interface, excellent expansibility and transferability, this standard part library for automotive punching die is easy to use and perfectly integrated with Unigraphics CAD system.Not only can the application of the parameterized 3D standard part library for automotive punching die improve the quality, efficiency, and standardization levelof the aotumotive punching die design and shorten its design periods, but also can liberate designers from complicated modeling, and consequently make it possible that design engineers can invest more time and effort to project innovation.

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CLC: > Transportation > Road transport > Automotive Engineering > Automobile manufacturing process
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