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All Journal INAQUE: Journal of Industrial & Quality Engineering Jurnal Teknik Mesin Mechanical Xplore
Raldi, LD Muhammad
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Automotive Engineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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ANALISIS BIAYA MUTU ALAS KAKI MODEL BS-12 DI CV.XYZ Hidayah, Nur Yulianti; Raldi, LD Muhammad
Inaque : Journal of Industrial and Quality Engineering Vol 11 No 2 (2023): Inaque Oktober 2023
Publisher : Teknik Industri Unikom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/iqe.v11i2.10968

Abstract

CV.XYZ is a company that produces footwear. From December 2022 – February 2023, the BS-12 footwear model experienced many product rejects. The high percentage of rejected products raises quality costs for rework activities. Identification of the type of rejection and the rework process is needed to determine the rework costs incurred by the company. Analysis of quality costs due to the rework process was carried out using the Process Costing method while identifying the factors causing the occurrence of rejected products using Why-why Analysis. The results of the analysis showed that there were 6 types of damage, namely straps (mouldy, abrasions, broken seams), insole (mouldy, abrasions, broken seams), excess glue, less sticky insole and outsole, loose straps & slippery sole. The quality costs incurred by the company during December 2022 – February 2023 amount to IDR 16,250,104. Products were rejected for multiple reasons, including inadequate facilities and equipment, operators working from home, and a staff shortage to meet production demands. Proposed improvements using 5W+1H included rearranging the production layout for strap storage, making SOP and WI for operators who work at home, buying press machines, and increasing the number of operators.
English: English Raldi, LD Muhammad; Damayanti, Setia; Ridwan, Ridwan
Jurnal Teknik Mesin Mechanical Xplore Vol. 6 No. 1 (2025): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v6i1.10448

Abstract

Sustainable waste management and environmentally friendly production systems have become central to modern supply chain practices. Refuse-derived fuel, an alternative fuel derived from solid waste, presents significant potential in supporting green supply chain management principles. However, its integration into the green supply chain management framework remains fragmented. This study aims to explore the integration of refuse-derived fuel into sustainable supply chain management using an integrative literature review method. Findings indicate that refuse-derived fuel contributes not only to reducing landfill volume and emissions but also enhances energy efficiency, particularly in the cement manufacturing industry. Key challenges include feedstock quality, technological complexity, and limited policy support. This study proposes a conceptual model positioning refuse-derived fuel as a strategic driver for green production. Through a multidisciplinary understanding of refuse-derived fuel, waste management, and supply chain innovation, refuse-derived fuel emerges as a promising component for systematic integration into sustainable production and circular economy strategies. Future research is recommended to validate this conceptual model empirically and to explore practical implementation pathways in various industrial sectors.
Co-Authors Damayanti, Setia Nur Yulianti Hidayah, Nur Yulianti Ridwan, Ridwan