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Evaluation Of The Comparative Performance Of Cryogenically Treated Cutting Inserts As A Capstone Design Project

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2007 Annual Conference & Exposition


Honolulu, Hawaii

Publication Date

June 24, 2007

Start Date

June 24, 2007

End Date

June 27, 2007



Conference Session

Teaching Design in Manufacturing Curriculum I

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Page Count


Page Numbers

12.700.1 - 12.700.9



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Paper Authors


Claribel Bonilla University of San Diego

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Claribel Bonilla, PhD, is an Assistant Professor of Industrial & Systems Engineering at the University of San Diego. She has a proven track record in industry for implementing lean manufacturing strategies to achieve improved product quality, reduced costs and increased productivity. Her research interests are in the areas of manufacturing systems and processes, lean-Six Sigma, and Supply Chain Management. She is an ASQ Certified Six Sigma Black Belt.

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Ronald O'Meara University of Northern Iowa

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Dr. Ronald O’Meara is currently holding a position as Assistant Professor in Industrial Technology and program coordinator of the Manufacturing Technology program at the University of Northern Iowa in Cedar Falls, Iowa. He received a B.T. in Electro-Mechanical Systems, an M.A. in Manufacturing Process Development, and a D.I.T. in Automated Manufacturing, all from the University of Northern Iowa. His current teaching and research interests include CNC/CAM, CAPP, Quality, Operations Management, Lean Manufacturing, and Nanofabrication. He has co-authored several research papers and presented at national and international conferences.

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Leonard Perry University of San Diego

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Leonard A. Perry, PhD is an Associate Professor of Industrial & Systems Engineering at the University of San Diego. His research interests are in the area of system improvement via quality improvement methods especially in the area of applied statistics, statistical process control, and design of experiments. He is an instructor at the Six-Sigma Institute and is a Certified Six-Sigma Master Black-Belt and ASQ Certified Quality Engineer.

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

Evaluation of the comparative performance of cryogenically treated cutting inserts as a capstone design project


Cutting inserts are an integral part of machining operations. In the continual search for cost effectiveness in manufacturing we turn our focus to an attempt to reduce tooling cost by improving the life of cutting inserts. There has been continued research conducted to increase cutter tool life with various applications of cutting fluids, speed and feed rates, and the use of coated cutters. One newer approach, cryogenic processing, has been promoted as an effective method of extending the useful life of different cutting tools used in the manufacturing process. This research area provides an excellent opportunity to apply real life research into capstone design projects. The purpose of the project was to investigate the feasibility of the claim in conjunction with the industry partner, providing students an opportunity to do research in a relevant manufacturing topic in an industrial setting.

There are different applications of cryogenic processing, but all of them subject a substance to extremely cold temperatures for a certain length of time. The purpose of this freezing process is to refine the molecular structure of the material, creating a stronger, more durable product. The objective with this process is to minimize the amount of retained austenite in the structure, which tends to be brittle and can cause dimensional instability and loss of strength. There are many benefits touted to the cryogenic processing of metals, however, there is not a lot of application data available. Further, many manufacturing facilities have been reluctant to adopt this process without verification of appropriate research being conducted.

This paper deals with an experimental evaluation of the comparative performance of cryogenic treatment on TICN coated carbide inserts. Experiments have been conducted machining cast iron parts with non-treated inserts and inserts cryogenically treated by gas-infusion process. A group of non-treated and treated inserts were subjected to same machining conditions. The part selected for the experiment was a gray iron clutch drum machined in a 4-axis lathe with other operating parameters held constant. This work will present the results obtained from experimentation related to significant difference in tool life and predictability of the cutting inserts.


The senior design project is a capstone course taken in the final year of the Manufacturing Technology program at the University of Northern Iowa (UNI). The purposes of a two semester research course, as highly suggested by both ABET and NAIT accrediting bodies is to provide an opportunity for students to work on a team to perform research and develop a project with an industrial sponsor.

Engineering technology and industrial technology programs must offer a relevant and validated curriculum that prepares students for post-graduation success. Courses that cover traditional subject matter in mathematics, sciences, materials, engineering economics, and related topics,

Bonilla, C., & O'Meara, R., & Perry, L. (2007, June), Evaluation Of The Comparative Performance Of Cryogenically Treated Cutting Inserts As A Capstone Design Project Paper presented at 2007 Annual Conference & Exposition, Honolulu, Hawaii. 10.18260/1-2--1715

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