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Session 3238

A Methodology for Developing Unigraphics Parametric Assemblies for Product Design, Tool Design and Analysis

John L. Irwin

Department of Design Engineering Technology Mott Community College Flint, MI 48503, USA

Introduction

Parametric Assemblies are an important element in the design process of a product or tool, because of the ability to continually update, and/or replace components in the assembly as the design changes through the design and analysis phases. One of the goals of the Design Applications course is that most course assignments will be in project form and come from industry. The challenge in this area is having active and involved program advisory panels that are willing to participate at a high level of cooperation with your program. At MCC we have had varied levels of participation from advisory committee members. Members are more than willing to give suggestions on project topics and possible design scenarios from their industry, but due to proprietary reasons, as of yet they have not been willing to share any parametric UG assembly files that we can use as a starting point for a real life industrial applications.

As a result, prior to the start of the course I visited three companies, which gave me ideas for industrial-based projects to use for this course. One company was Amigo Mobility International, Inc. a manufacturer of mobile devices for handicapped persons. Next, Acutech Industries, Inc., which is a product and tool design-service mainly servicing the automotive industry needs. The third company is a partner of the MCC Automotive Technology Department called Factory Five Racing Inc., which is a manufacturer of a Cobra kit car package. The problem still remains that none of these companies had 3D solid models of their product, which could be shared with the public, but they were willing to cooperate by sharing parts, ideas, and 2D drawings.

I met with an engineer from Amigo Mobility International who shared the 2D drawings of the seat cam locking mechanism and provided the seat and post parts of a standard amigo model for students to reverse engineer. The design problem that was developed out of this research was presented to students as the following: Amigo has contracted your design group to design a manually reclining version of the chair. The person with a handicap may want to recline for relaxation or need to recline for therapeutic purposes. The chair and post are available for reverse engineering and the locking mechanism 2D drawings will also be provided. A lounge

Proceedings of the 2002 American Society for Engineering Education annual Conference & Exposition 1 Copyright ã 2002, American Society for Engineering Education

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Irwin, J. (2002, June), A Methodology For Developing Ug Parametric Assemblies For Product Design, Tool Design, And Analysis Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--11136