EDLIB -- Electronic Design Library Sundar Krishnamurty, Associate Professor Ian Grosse, Associate Professor Department of Mechanical & Industrial Engineering University of Massachusetts -- Amherst UMass Innovations in Instructional Technology Conference '98

Motivation u To facilitate identification, acquisition, and dissemination of design-related information To facilitate identification, acquisition, and dissemination of design-related information u To reinforce design methodologies and concepts, such as material selection, design for manufacturing To reinforce design methodologies and concepts, such as material selection, design for manufacturing u To integrate effective use of WWW in teaching and learning in engineering design To integrate effective use of WWW in teaching and learning in engineering design

EASNE- Electronic Design Library Approach To develop a Web-based Electronic Design Library with: u Design-related archival information Design-related archival information u Design modules to reinforce design methodologies and practices, such as DFM/DFA Design modules to reinforce design methodologies and practices, such as DFM/DFA u Illustrative engineering design projects and case studies Illustrative engineering design projects and case studies

EDLIB Infrastructure Course ProjectsDesign Database u ME Introduction to Mechanical Design ME Introduction to Mechanical Design u ME Design of Mechanical Components ME Design of Mechanical Components u ME 318 -Design of Mechanisms ME 318 -Design of Mechanisms u ME Computer Aided Mechanical Design ME Computer Aided Mechanical Design u ME Mechanical Systems Design ME Mechanical Systems Design u ME Finite Element Analysis ME Finite Element Analysis u Standard Mechanical Components Design Standard Mechanical Components Design u Design for Manufacturing Design for Manufacturing u Engineering Drawing Practices Engineering Drawing Practices u Standards and Codes Standards and Codes u Case Studies & Other sites Case Studies & Other sites u Vendor Catalog Vendor Catalog u Reference Tables Reference Tables u Ergonomics Ergonomics u Software Links & Magazines Software Links & Magazines EASNE Links u EASNE Home Page EASNE Home Page u EASNE-UMASS Page EASNE-UMASS Page u EASNE Coalition Members EASNE Coalition Members

Design Fundamentals and Basic Concepts

Design for Manufacturing:Injection Molding n Injection Molding Advisor Injection Molding Advisor n Injection Molding Cost Estimator Injection Molding Cost Estimator n DFM Guidelines (Link to GE) DFM Guidelines (Link to GE) Java Based Injection Molding Cost Estimator

Design Information Database Vendor Information n Industry Link n Automation Net n ME Vendors n Thomas Register n GE Product Information n Partnet n Automation Net n Stock Drive Products n Grainger

Student Design Projects Design of Mechanisms Bicycle storage mechanism Computer Aided Mechanical Design Design of ground penetrating radar support bracket Introduction to Finite Element Analysis Finite element model and analysis of pressure vessel

Gear Housing Design Input Steps Involved in Designing Gear Housing Gear force calculation - Use gear formulae given under design of standard components for finding gear forces - Use simply supported beam formula given under reference table for reaction calculation Bearing force calculation & design - Use bearing design under design of standard components Calculate stiffness of housing - From the given deflection & rotational requirement, calculate required stiffness(I) -Use beam formulas given under reference table Determine right sectional size -From the calculated area, bending & torsional moments, choose a right section. -Use sectional properties for standard sections from the reference table Final Design

Summary u EDLIB enriches students’ design project experience u It helps improve students’ presentation and communication skills u EDLIB facilitates retrieval and reinforcement of design fundamentals and background material u It integrates effective use of WWW in learning and teaching engineering design