Scrap reduction using Lean Six Sigma tools

Applying methods to cut waste improves production, saves costs

By Thelma Gutierrez-Villalpando, Mónica Alejandra Cárdenas-Cuevas, Estefanía Gutierrez and Araceli Zavala

Scrap has been one of the main wastes in the manufacturing industry and one of the main pillars that Lean tools have focused on. Manufacturing companies of all shapes and sizes pay close attention to their scrap rate, as this affects their profits. The term “scrap” refers to all work in process or rejected finished pieces that cannot be reworked or repaired to satisfy customer requirements. Therefore, scrap represents money and less productivity.

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