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Cutting, Milling, Drilling, Tapping and Brazing -A “Hands-on” Experience –

Patricia M. Shamamy, P.E, Lawrence Technological University

Abstract Second semester junior M.E. majors are required to individually design and build a metal object in the university machine shop using the processes of cutting, milling, drilling, tapping and brazing. Additionally, the object built must have one moving part. Creativity is encouraged as the type of object to be designed and built varies each semester. Thus far, types of objects have included animals (wild, domesticated or composite), transport vehicles (to transport people or goods over land or water), people (two figures representing humans involved in some task), and, most recently, models of interplanetary vehicles. M.E. faculty judge the projects and prizes are awarded in different categories, among them, Most Original, Easiest to Manufacture, and Most Potential for Commercial Product.

I. Introduction Students enrolled in our Mechanical Engineering curriculum are required to complete a senior design project. The project is intended to require the student to apply his/her engineering knowledge to design, build, and test an actual product. These products vary from components for SAE competition projects such as the Formula Car, Mini-Baja vehicle, or Supermileage vehicle to student-proposed projects that have included an adult tandem tricycle, a creep testing apparatus, and a Weed-Whacker supporter.

In each project, students are involved in some aspect of fabrication of a part. Usually these parts are made in the university’s machine shop and require the student to use various metal shaping equipment. To introduce the students to the various pieces of equipment available for their use, in the semester preceding the one where their senior projects are begun, students are required to use the equipment in the machine shop to build a small object. This paper describes the project used to introduce the students to the equipment in the universit y machine shop.

II. Project Description Each student is required to individually design and then build a metal object. Students may provide their own material or may use whatever is available in the university shop. All fabrication must be done in the university machine shop and must make use of the metal shaping processes of cutting, milling, drilling, tapping and brazing. Additionally, the object must have at least one movable part. The object must have a minimum height(or length) of four inches.

The “type” of object required varies each semester. Thus far, the following categories have been assigned: animals (wild, domesticated, or composite), transport devices(used to transport people or goods over land or water), people involved in some task, and interplanetary vehicles.

Proceedings of the 2002 American Society for Engineering Education Annual Conference & Exposition Copyright © 2002, American Society for Engineering Education

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Shamamy, P. (2002, June), Cutting,Milling, Drilling, Tapping And Brazing "Hands On" Experience Paper presented at 2002 Annual Conference, Montreal, Canada. 10.18260/1-2--11232