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I Wayan Sukania
Program Studi Teknik Industri Universitas Tarumanagara
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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STUDI KASUS PENINGKATAN KUALITAS MENGGUNAKAN METODE SIX SIGMA DAN FMEA PADA PERUSAHAAN CARBON ROD BATERAI Setiawan, Yesaya Hansel; Saryatmo, Mohammad Agung; Sukania, I Wayan
Jurnal Mitra Teknik Industri Vol. 4 No. 3 (2025): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/mg7wy749

Abstract

This research was conducted at PT. XYZ, a company that manufactures carbon rods, by applying the Six Sigma method using the DMAIC and FMEA approaches. The data is taken from production results during the period April 2024 to March 2025, which shows an average defect rate of 4.9%. The initial stage of the research begins with identifying critical to quality (CTQ), which is the need for high-quality carbon rod products that are able to meet customer demand consistently. Process mapping and quality performance calculation were carried out using the Six Sigma method, which resulted in a DPMO value of 6,997 and a sigma level of 3.96. These results show that the production process needs to be improved. The main causes of defects are analyzed using a cause-and-effect diagram based on five types of defects, namely fracture, chipping, cracking, perforation, and tilted position, which are influenced by human factors, machines, methods, and working environments. through FMEA analysis, it was found that the causes of failure with the highest FRPN values were found, such as engine speed that was too high, cleanliness of machinery and other production equipment that is not observed or neglected, and errors in engine adjustment. Proposed improvements are carried out with a Kaizen approach through 5S and five M-checklists, and are implemented in the form of SOPs and checksheets. As a result, the defect rate was successfully reduced from 4.9% to 3.5%.
Co-Authors Abadi, Starletto Adhitian Adhitian Adhitian Adhitian Adianto Adianto Adianto , Adianto Agustinus Purna Irawan Agustinus Purna Irawan Agustinus Purna Irawan Ahmad Ahmad Ajipangestu, Mario Akhromi, Muhammad Rafli Ali, Ahad Anggana Pranajaya Anggana Pranajaya Baeri, La Ode Muhammad Fardhan Sabil Bratayuda Raya Chandra Wijaya Djaha, Rymartin Jonsmith Doaly, Carla Olyvia Elisha Sanjaya Emilza, Alif Abdhil Hakim Esanov Azamat Esirgapovich Fadhel Muhammad W Farrel, Ricky Frans Jusuf Daywin Fransisca I. R. Dewi Fransisca Iriani Roesmala Dewi Ghazali, Hartana Adiputra Herli, Willson Hensky Hidayat, Michael Ignatius Erick Alfonso Imanuel, Victor Iphov Kumala Sriwana Jennifer Juyanto Jennifer Juyanto Jimmy Jimmy Joshua Samsidin Julita Julita Juyanto, Jennifer Karuna, Rio Kevin Christian Kevin Yota Kobat, Michael An Nahl Kristina, Helena Juliana lamto widodo Lina Gozali Lithrone Laricha S Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Laricha Salomon M. Agung Saryatmo Melynia Novita P Mutiara, Maitri Widya Nathaniel . Nora Azmi Oki Dharmawan Oktaviangel Oktaviangel Olivia Audrey Patrick Paula T. Anggarina Priscilla Modena Regina Angraeni Rosalia Sugiono Sani Susanto Santo Christianto Santoso, Elizabeth Clara Saryatmo, Mohammad Agung Sebayang, Albert Ericson Setiawan, Yesaya Hansel Silvi Ariyanti Silvi Ariyanti Silvi Ariyanti Siti Rohana Nasution Steven Angelo Utama, Didi Widya Waskito, Febrianto Puji Wildan Wilson Kosasih Wira Kumala Yovita NG