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Prediction of box failure from paper data for asymmetric corrugated board, TAPPI JOURNAL August 2018

Prediction of box failure from paper data for asymmetric corrugated board, TAPPI JOURNAL August 2018

Journal articles
Magazine articles
Open Access
Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018

Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018

Journal articles
Magazine articles
Structured Tissue Markets a Mixed Bag Globally, Tissue360º S

Structured Tissue Markets a Mixed Bag Globally, Tissue360º Spring/Summer 2013

Journal articles
Magazine articles
Over the Wire...Tissue Summary, Tissue360º Spring/Summer 201

Over the Wire...Tissue Summary, Tissue360º Spring/Summer 2013

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Structured Technologies Continue Evolving, Growing in N.A. P

Structured Technologies Continue Evolving, Growing in N.A. Premium Tissue Markets, Tissue360º Spring/Summer 2013

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Softer and More Push Yankee Dryers to the Edge, Tissue360º S

Softer and More Push Yankee Dryers to the Edge, Tissue360º Spring/Summer 2013

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North American Tissue Investments on the Rise, Tissue360º Fa

North American Tissue Investments on the Rise, Tissue360º Fall/Winter 2014

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Healthy european Tissue and Towel Market driven by growth in

Healthy european Tissue and Towel Market driven by growth in Per Capita Consumption, Tissue360º Fall/Winter 2014

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Maximizing Yankee dryer safety, reliability, efficiency Key

Maximizing Yankee dryer safety, reliability, efficiency Key goals for Today’sÊTissueÊMills, Tissue360º Fall/Winter 2014

Journal articles
Magazine articles
Open Access
Application of fuzzy TOPSIS in the Analyze phase of the DMAIC cycle to aid decision-making, TAPPI Journal April 2020

ABSTRACT: This paper reports the use of multicriteria analysis in the Analyze phase of the DMAIC (Define-Measure-Analyze-Improve-Control) cycle for continuous improvement. The research was carried out in a tissue paper factory located in southern Brazil. A sample of 64 parts of 16 different reels of recycled paper was used. A problem regarding paper quality variability was detected, presenting a scrap index ranging between 9% and 23%, compromising machine productivity and product sales. This motivated the implementation of a structured project supported by the application of the DMAIC cycle. The project team (machine operators, maintenance staff, supervisor, and data analyst) defined the evaluation criteria and determined the control intervals and their equivalence with linguistic variables to support the necessary evaluations for the application of fuzzy TOPSIS (Technique for Order of Preference by Similarity to Ideal Solution). The criteria were C1-Longitudinal Strength (Kgf), C2-Longitudinal Elongation (mm), C3-Cross-strength (kgf), C4-Cross-elongation (mm), C5-Weight (g/m²), and C6-Humidity (%). The results showed that samples with the same ranking had the lowest scrap indexes in the subsequent process. Also, the criterion C5 had a more significant impact on the quality of the product than the other criteria, which was determined from the DMAIC sequence. Improvements related to C5 should be prioritized. The fuzzy TOPSIS method presented is a flexible tool, adapting itself to the solution of the problem and contributing to the decision-making process.

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