The Effect of Experimental Error on the Determination of the Optimum Metal-Cutting Conditions

[+] Author and Article Information
D. S. Ermer

Department of Industrial Engineering, The Pennsylvania State University, University Park, Pa.

S. M. Wu

Departments of Mechanical Engineering and Statistics, University of Wisconsin, Madison, Wis.

J. Eng. Ind 89(2), 315-322 (May 01, 1967) (8 pages) doi:10.1115/1.3610046 History: Received May 11, 1966; Online August 25, 2011


The effect of experimental error in tool life testing on the determination of the minimum cost cutting speed (Vmin ) is investigated by using the concept of statistical inference. It is shown that Vmin is not uniquely defined but lies within a probable interval of cutting speeds, and that this interval is affected by the cost and time parameters and the experimental range of feed in tool life testing. The selection of a specific speed from the Vmin confidence interval is illustrated by a decision rule based on the minimax principle.

Copyright © 1967 by ASME
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