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Introducing Design for Manufacturing and Assembly in the Manufacturing Technology Curriculum

Ramesh V. Narang Purdue University, Fort Wayne

Abstract This paper presents the introduction of a new course on Manufacturing Process Planning in the manufacturing technology curriculum. The course emphasizes designing for economical manufacture, concurrent engineering, designing for assembly, and other related manufacturing concepts that are used in industry.

Introduction With much importance being given in industry to concurrent engineering, design for manufacture, and design for assembly, it was felt necessary by the author to include instruction in these concepts to prepare the students for the industry.

A new course titled “Manufacturing Process Planning” has been offered twice – in the Fall semesters of 1994 and 1995. The main thrust of the course is to teach designing for economical production by understanding the capabilities of different manufacturing processes. This course teaches students to determine candidate manufacturing processes for a given part by performing manufacturability evaluation at the design stage. Processes that are considered in the course are primarily metal processes, such as machining, forging, metal casting, fabrication, welding, and assembly. Concepts of concurrent engineering, design for manufacture and design for assembly are introduced using practical examples.

The course content also includes solid modeling concepts and 3-D part representation methods, automated recognition of manufacturing features, effect of tolerances on production cost, group technology, setup reduction techniques, and discussion of STEP (Standard for The Exchange of Product model data) neutral standard. It is a 3-credit course without any laboratory work at this time.

The course is participative in nature. The course content is breed on the industrial experience of the instructor and the students. It includes basic and practical manufacturing knowledge that the students of manufacturing technology should be exposed to in a baccalaureate program. The course also requires each student to write a project report on a relevant topic and present it in the class. This paper describes some of the highlights of the course and shows the way the course content is presented to the students.

Manufacturing Process Planning This section describes briefly the course catalog description, the course objectives, how the course came into existence and was integrated within the curriculum, and some of the important topics covered in the class with their application. Description and Objectives The catalog description of the new course is: the study of design for manufacturability of various manufacturing processes, surface technology, tolerance control, techniques for setup reduction, design for assembly principles, group technology, sequencing of machining operations, chatter theory and control, solid modeling representations, part feature recognition techniques and computer-aided process planning. The objectives of the course as described in the course outline are: to develop skills in economical part manufacturing and assembly using modern tools and techniques, and to understand and apply principles of

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Narang, R. (1996, June), Introducing Design For Manufacturing And Assembly In The Manufacturing Technology Curriculum Paper presented at 1996 Annual Conference, Washington, District of Columbia. 10.18260/1-2--6146