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n South African Journal of Industrial Engineering - Robust design in generalised linear models for improving the quality of polyurethane soles

Volume 26, Issue 3
  • ISSN : 1012-277X
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Abstract

In a process that manufactures polyurethane soles by casting, a number of problems lead to different types of defects on the sole, causing significant economic losses for the company. In order to improve the product quality and decrease the number of defects, this study conducts an experimental design in the context of robust design. Since the response variable is binary, the statistical analysis was performed using generalised linear models. The operational methodology reduced the percentage of defects, while combining the experimental technique and control systems to achieve superior quality and a consequent reduction in costs.

'n Groot aantal probleme word in 'n poliuretaansoolgietproses ervaar en dit lei tot verskillende defekte in die sool. Hierdie defekte veroorsaak noemenswaardige verliese vir die maatskappy. Om die produk gehalte te verbeter en die aantal defekte te verminder word 'n eksperimentele robuuste ontwerp uitgevoer. Aangesien die reaksieveranderlike binêr is, is veralgemeende lineêre modelle vir die statistiese analise gebruik. Die operasionele metodiek het die persentasie defekte verminder en die eksperimentele tegniek en beheerstelsels gekombineer om sodoende 'n hoër gehalte produk en 'n vermindering in kostes te verkry.

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/content/indeng/26/3/EJC181204
2015-11-01
2016-12-11

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