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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