ANN model to predict burr height and thickness

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Authors
Manjunatha, Nikethan Narigudde
Advisors
Cheraghi, S. Hossein
Issue Date
2007-05
Type
Thesis
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Abstract

The drilling of metals produces undesirable projections at the surface of the hole called burrs, which are very costly to remove from the work piece. Any effort involved in simplifying the drilling process that decreases the burr size significantly helps in reducing deburring cost. This study focuses on the burrs formed in drilling of AL6061-T6 at the exit side of the work piece as they are usually larger and have complicated shape and size. Two models are developed using back propagation neural networks to predict burr height and thickness separately as a function of point angle, chisel edge angle and lip clearance angle. The results of this research show that the height and thickness of the burr can be controlled by proper selection of drill bit that consists of suitable geometric parameters. The optimal geometric parameters that yield minimum burr height and thickness are also suggested. Thus, the model assists in identifying suitable drill bit that yields minimum burr height and thickness and as a result helps in reducing deburring cost.

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Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Industrial and Manufacturing Engineering
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