Optimal solutions for the machining economics problem with stochastically distributed tool lives

This paper proposes analytical models and numerical procedures for simultaneously determining the optimal cutting speed and tool replacement policy in machining economics problems with stochastic tool lives when the objective is the minimization of the machining cost per part. It is shown that the o...

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Bibliographic Details
Published in:European journal of operational research 1996-07, Vol.92 (1), p.63-68
Main Authors: Iakovou, Eleftherios, Ip, Chi M., Koulamas, Christos
Format: Article
Language:English
Subjects:
Machining economics
Maintenance
Manufacturing
Mathematical models
Operations research
Optimization
Repair & maintenance
Studies
Tool replacement
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Summary:This paper proposes analytical models and numerical procedures for simultaneously determining the optimal cutting speed and tool replacement policy in machining economics problems with stochastic tool lives when the objective is the minimization of the machining cost per part. It is shown that the objective function is separable for certain phase type tool life distributions, including Gamma, which leads to an efficient solution procedure.
ISSN:0377-2217
1872-6860
DOI:10.1016/0377-2217(95)00131-X