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Learning-by-Doing: Development of Project-Based Manufacturing Courses

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Conference

2019 ASEE Annual Conference & Exposition

Location

Tampa, Florida

Publication Date

June 15, 2019

Start Date

June 15, 2019

End Date

June 19, 2019

Conference Session

ET Pedagogy II

Tagged Division

Engineering Technology

Page Count

16

DOI

10.18260/1-2--33055

Permanent URL

https://peer.asee.org/33055

Download Count

490

Paper Authors

biography

Junkun Ma Sam Houston State University Orcid 16x16 orcid.org/0000-0002-8983-1999

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Dr. Junkun Ma is currently an Associate Professor of Engineering Technology at Sam Houston State University (SHSU). He teaches courses in areas related to product design, manufacturing processes, CAD, and HVAC. His research interests include finite element method (FEM) based numerical simulation, heat transfer and fluid dynamics with application to alternative energy, and engineering education.

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biography

Keith L. Coogler Sam Houston State University

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Dr. Keith L. Coogler is an instructor of engineering technology at Sam Houston State University. He received a BS in Design & Development and holds a MA in Industrial Education and Ed.D. in Higher Education from Texas A&M University – Commerce. His primary teaching area is Construction Management. Research interests include: automation, electronics, alternative energy, and “green” construction.

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Abstract

This paper presents the design and development of project-based course materials for a sequence of two undergraduate manufacturing courses: the Design and Prototyping and Machining Technology. Different from the conventional approaches, the course materials presented in this paper start with introducing a working product to students and then challenge them with problems requiring the redesign of components. Various manufacturing methods, techniques, processes, and equipment are then being introduced and discussed in detail before students redesign and prototype these components in the laboratories. As part of the curriculum of an Engineering Technology program, these courses aim at developing students' ability to work in collaborative groups to apply engineering and technology knowledge to solve real-world technical problems requiring the application of practical procedures and methods.

The Design and Prototyping is an introductory course which introduces students to commonly used manufacturing processes in the industry for manufacturing of a variety of products using different materials. The primary goal of this course is to provide a broad overview of fundamental concepts, tools, methods, and equipment that are used in the manufacturing industry. An educational Mobile Inverted Pendulum (MIP) robot kit developed by the Renaissance Robotics is used as the platform for this course. Students learn fundamentals and apply manufacturing processes, including additive manufacturing (AM) based on different technologies, sand casting, injection molding, and basic machining operations to fabricate components for the MIP robot using different materials. Computer Aided Design (CAD) models of these components and their assembly model for illustration and presentation purposes are discussed. Fixtures and accessories such as a waste board for a tabletop mini-CNC milling machine as well as tools such as the mold for the injection molding process required for equipment to perform related operations are designed and fabricated using AM technology. A pre-existing design problem in the MIP robot kit is presented, and students are required to redesign a component to correct the problem. Also, hypothetical design changes are implemented and thus requiring students to redesign and fabricate related components to satisfy the new design requirements by selecting the appropriate manufacturing processes. Preliminary results from the first cohort of students based on their performance and a survey conducted showing student evaluation are reported.

As an advanced follow-up course, Machining Technology focuses on turning and milling operations. A single cylinder horizontal Stirling Engine kit developed by the Grizzly Industrial, Inc. is used as the platform in this course. Students learn fundamentals and apply lathe operations, including facing, parallel turning, drilling, and parting, as well as milling operations, including face milling, plain milling, angular milling, and form milling to make parts requiring machining operations for the engine. In the process of making these parts, the course also discusses cutting tools, fixtures, and measuring tools required.

Ma, J., & Coogler, K. L. (2019, June), Learning-by-Doing: Development of Project-Based Manufacturing Courses Paper presented at 2019 ASEE Annual Conference & Exposition , Tampa, Florida. 10.18260/1-2--33055

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