Addressing Operational Inefficiencies in Custom Jewellery Production through Lean–TPM–SMED Tools: A Peruvian Case Study

International Journal of Economics and Management Studies

© 2025 by SSRG - IJEMS Journal

Volume 12 Issue 8

Year of Publication : 2025

Authors : Sebastian Enrique Hidalgo-Mestanza, Alfredo Rojas-Rodriguez, Wilson David Calderón-Gonzales

10.14445/23939125/IJEMS-V12I8P102

How to Cite?

Sebastian Enrique Hidalgo-Mestanza, Alfredo Rojas-Rodriguez, Wilson David Calderón-Gonzales, "Addressing Operational Inefficiencies in Custom Jewellery Production through Lean–TPM–SMED Tools: A Peruvian Case Study," SSRG International Journal of Economics and Management Studies, vol. 12,  no. 8, pp. 12-21, 2025. Crossref, https://doi.org/10.14445/23939125/IJEMS-V12I8P102

Abstract:

Artisanal gold-jewellery-making in Peru has suffered from frequent machine stoppages and long mould swaps, which delay orders and dent product quality. This research set out to develop and test a Lean-plus-Total-Productive-Maintenance framework designed to lift shopfloor performance while preserving the craft skill embodied in each piece. Over four planned phases, a small export firm was guided through single-minute exchange of dies, scheduled maintenance checks, and real-time metric boards. Data collected after the intervention showed order-fulfilment efficiency climbed by 11 percent, maintenance-compliance rates rise by 24 percent, and mould-change and SMED times dropped by 37 and 38 percent, respectively. These results help fill a scholarly gap by showing that industrial techniques can be adapted for low-volume, highly customized production lines. The framework serves as a step-by-step playbook for jewellery micro and small enterprises, proving that consistent output flow can coexist with artistic craftsmanship in fast-moving export markets.

Keywords:

Lean Manufacturing, Total Productive Maintenance, SMED, Operational Efficiency, Jewelry Manufacturing SMEs, Artisanal Production Systems.

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