ASEE Zone 2 Conference 2017

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Using interconnected CMM laboratory Modules for Geometric Dimension and Tolerancing, Metrology and Manufacturing processes area courses: Lessons Learned

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Making good products requires collective knowledge of materials, metrology, and manufacturing processes. Metrology is the scientific study of measurement and contains all theoretical and practical aspects of measurement. A Coordinate Measuring Machine (CMM) is an excellent tool used for measuring the physical geometrical characteristics of a product. Preparing manufacturing engineering students with the metrology skills and knowledge required to be successful engineers in the 21st century is one of the primary objectives of undergraduate educators. From the results of CMM reports, manufacturing engineering students can detect and predict deteriorating cutting conditions through the continuous improvement of using a CMM. This paper introduces a new approach to developing CMM laboratory modules, teaching materials, hands-on lab activities, and projects developed as an integrated educational environment similar to ones implemented in today’s industry. CMM laboratory modules are used as a post process confirmation of the machined test components and other discrete parts machined in drilling and milling machines. The purpose of CMM lab modules is to illustrate the interconnected laboratory modules of Geometric Dimensioning and Tolerancing (GD&T), Metrology and manufacturing processes area courses. To be productive, CMM measurement information must generate appropriate knowledge that is used as continuous improvement feedback for better product and process design use. The Manufacturing Engineering Department at Georgia Southern University (GSU) has been involved in a continuous effort to introduce new metrology related learning activities in Manufacturing Engineering laboratory and curriculum. The goal of CMM lab modules is to respond to the demand for Georgia regional industries and meet the 21st Century Workforce needs. The new CMM laboratory activities and projects include the following topics: (1) CMM part coordinate system, (2) CMM probe calibration, and (3) Gage Repeatability & Reproducibility (GR&R). This paper presents a method to improve the CMM learning modules and offer students the opportunity to enhance their hands-on activities.

Author(s):

Guanghsu Chang    
Manufacturing Engineering
Georgia Southern University
United States

 

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