Cutting and Reuse: An Application from Automobile Component Manufacturing

Claudio Arbib (), Fabrizio Marinelli (), Fabrizio Rossi () and Francesco Di Iorio ()
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Claudio Arbib: Dipartimento di Informatica, Università degli Studi di L'Aquila, via Vetoio, Coppito I-67010 L'Aquila, Italy
Fabrizio Marinelli: Dipartimento di Informatica, Università degli Studi di L'Aquila, via Vetoio, Coppito I-67010 L'Aquila, Italy
Fabrizio Rossi: Dipartimento di Informatica, Università degli Studi di L'Aquila, via Vetoio, Coppito I-67010 L'Aquila, Italy
Francesco Di Iorio: Dipartimento di Matematica Pura e Applicata, Università degli Studi di L'Aquila, via Vetoio, Coppito I-67010 L'Aquila, Italy

Operations Research, 2002, vol. 50, issue 6, 923-934

Abstract: This paper presents a decision support tool for solving a cutting and reuse problem arising in a European plant devoted to the production of gear belts. In this production, rectangular pieces of rubberised nylon are cut using machines employing parallel blades, so as to obtain rectangular components of identical height and (possibly) different width. A component is then used to produce a set of belts with the same girth; but, if necessary, the girth required can also be obtained by sewing together two components. The major objectives of optimisation are: trim loss minimisation, quality control, workload equalisation, setup minimisation. The problem, a particular one-dimensional cutting stock with both cutting and reuse decision variables, has been formulated in terms of integer linear programming and then efficiently solved by applying standard packages within a column generation scheme. A significant improvement of performance has been obtained in terms of both economic savings and product quality. This has convinced the management to implement the model in the plant operation.

Keywords: Industries: machinery; Manufacturing: performance/productivity; Production/scheduling: cutting (search for similar items in EconPapers)
Date: 2002
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Citations: View citations in EconPapers (10)

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