The profit-oriented interval cutting problem: model and stability analysis

Article Abstract:

An optimization problem involving the manner by which curtain bale should be cut to produce lengths that simultaneously please customers and maximize profits is studied. A profit maximization model based on two different profit parameters for single pieces and pairs, designated p and q respectively, was developed to satisfy these requirements. Solving the problem requires the adoption of a dynamic programming approach in which the cutting process is treated as a decision process.

Models, Profit, Profits, Cutting, Mathematical optimization, Optimization theory

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Design and testing of piezoelectric actuator-controlled boring bar for active compensation of cutting force induced errors

Article Abstract:

The design and testing of a piezoelectric controlled boring bar for active error compensation was presented. Tool displacements caused by instantaneous cutting force were automatically corrected during cutting by means of a computer-controlled piezoelectric actuator acting on the boring bar holder. The results of off-line simulations and cutting experiments showed that error compensation was effective in machining with variable depths of cut.

Piezoelectric devices, Drilling machines, Drilling and boring machinery, Boring machines

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Cutting tools versus machine tools investments in FMS design

Article Abstract:

Relative investment costs in cutting tools versus machines tools in Japan, France, West Germany, the UK, and the US between 1970-1990 are examined. The study indicates the possibility of an optimal relative investment in cutting tools as compared to machine tools. The role and performance of cutting tools in a flexible manufacturing system design are discussed.

Usage, Equipment and supplies, Machine tools, Machine-tools, Flexible manufacturing systems, Cutting machines

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