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Title

REDUCED PREPARATION TIME AND THREADING THE COILS IN THE ENTRY SECTION PLTCM

Authorship

Félix, Glaudistoni da Silva; Luiz, Michel Rodrigo; Junior, Osmar Duarte; Melo, Leonardo Souza de

Félix, Glaudistoni da Silva

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Luiz, Michel Rodrigo

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Junior, Osmar Duarte

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Melo, Leonardo Souza de

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DOI

10.5151/9785-9785-32295

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Abstract

This article deals with a project to reduce the preparation time and threading the coils in the input section of a pickling line coupled to the cold strip mill (PLTCM) at ArcelorMittal Vega. The project developed serves for the detection and elimination of bottlenecks in the input section. The project was conceived by the philosophy of the Theory of Constraints (TOC) and Lean Six Sigma (6 sigma), here seen as sequencing serial / parallel in the preparation and threading the coils. In this context, a proposal to modify the automatic sequencing and reduction of interruptions due to failure of the automation / equipment confirmed its effectiveness reducing the total time preparation time and threading the coils in the entry section by 15%. This project was developed without investment costs, bringing gains on the order of US$613,769.00.

Keywords

Bottleneck; Preparation and threading coil, setup in continuous processes; Lean Six Sigma.