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All Journal Jurnal Sistem Cerdas Jurnal Teknik Mesin, Industri, Elektro dan Informatika
Muhammad Hafiz Aziz
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Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Analisis Faktor Penyebab Banyaknya Sisa Material Cable dari Produksi Kapal X pada Pt. XYZ Menggunakan Metode New Seven Tools Muhammad Hafiz Aziz; Yekti Condro Winursito
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 3 No. 1 (2024): Maret : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v3i1.3269

Abstract

XYZ is a company operating in the largest shipping manufacturing industry in Indonesia. Apart from that, PT. XYZ also accepts ship maintenance such as overhaul and ship repair work. PT. XYZ launched a ship created by the nation's children, named Ship X. This ship has a big impact because this ship can help provide medical assistance in underdeveloped, remote and frontier areas. However, in the production process of this ship there are still some remaining materials which can be said to be a lot. One of them is cable. To overcome this problem, analysis is needed to find out what factors can influence it and proposals that can solve the problem. In this research, the New Seven Tools analysis method was used. Based on the results of the analysis using the new seven tools method, it was found that the factors causing the large amount of leftover cable material were the lack of accuracy of both staff and field workers in determining material requirements and material processing. So that improvement evaluations can be carried out by determining the design and need for fixed materials in accordance with applicable SOPs, increasing worker productivity, and optimizing material processing during the production process.
Analysis Of Plastic Pellets Production Process To Reduce Waste Using Lean Six Sigma Method And FMEA Muhammad Hafiz Aziz; Dira Ernawati
Jurnal Sistem Cerdas Vol. 8 No. 1 (2025)
Publisher : APIC

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37396/jsc.v8i1.499

Abstract

The rapid development of the industry has increased plastic production to meet market demand, which has led to a rise in plastic waste volume. One way to reduce plastic waste is by processing it into plastic pellets. CV. XYZ is a company that produces plastic pellets from PP, PS, and PE waste in Gresik, East Java. In its production process, the company faces issues such as high lead times of 990 minutes and non-standard product quality, including defects like clumping, cutting failures, and broken plastic pellets. This study aims to reduce waste and minimize lead time by applying the lean six sigma method with a DMAIC and FMEA approach. Three dominant types of waste were identified: storage, defects, and transportation. The implementation of improvement proposals successfully reduced lead time from 990 minutes to 780 minutes. The average sigma level was recorded at 3.14 with a DPMO of 50009, which falls into the good category for the average industry in Indonesia. Recommendations include demand forecasting, operator training, supplier selection, improving raw material quality, material handling, and utilizing conveyors in certain areas while minimizing non-value-added activities. Through the design of process activity mapping and big picture mapping, the efficiency of plastic pellet production can increase from 50.51% to 64.10%
Co-Authors Dira Ernawati Yekti Condro Winursito