Scheduling Cutting Process for Large Paper Rolls

Year 2013, Volume: 1 Issue: 1, 1 - 6, 01.04.2013

Mehmet Emin Aydin , Osman Taylan

https://doi.org/10.5505/apjes.2013.83997

Abstract

Paper cutting is a simple process of slicing large rolls of paper, jumbo-reels, into various sub-rolls with variable widths based on demands risen by customers. Since the variability is high due to collected various orders into a pool, the process turns to be production scheduling problem, which requires optimisation so as to minimise the final remaining amount of paper wasted. The problem holds characteristics similar one-dimensional bin-packing problem to some extends and differs with some respects. This paper introduces a modelling attempt as a scheduling problem with an integer programming approach for optimisation purposes. Then, a constructive heuristic algorithm revising one of well-known approaches, called Best-fit algorithm, is introduced to solve the problem. The illustrative examples provided shows the near optimum solution provided with very low complexity.

Keywords

Stock cutting problem, heuristic approaches, scheduling

Büyük Kağıt Rolelerinin Kesme Çizelgelemesi

Abstract

Kağıt kesimi büyük kağıt rulolarının talep doğrultusunda dilimlenmesi prosesinden ibarettir. Telebin standart dışı boyutlara sahip olması bu işlevin zorlukları arasındadır. Gelen taleplerin karşılanması amacı ile yapılan dilimleme işlemeleri kağıt zayiatının enazlanmasi konusunu önemli kılmaktadır. Bu çalışmada, basit sezgisel yöntemlerden en-iyi uygunluk algoritmasinda değişiklik yapılarak daha kısa zamanda aynı zayiat miktarını veren bir çizelgeleme algoritması tanitilarak uygulanmıştır. Sonuçlar algoritmanin başarılı olduğunu kanitlamaktadir.

Keywords

Büyük rulo kesimi, sezgisel yaklaşımlar, çizelgeleme

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