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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Impresi Indonesia Jurnal Teknologi dan Manajemen Industri Terapan Journal of Artificial Intelligence and Digital Business JPNM : Jurnal Pustaka Nusantara Multidisiplin Review: Journal of Multidisciplinary in Social Sciences Jurnal Sains dan Teknologi Jurnal Ragam Pengabdian Jejak digital: Jurnal Ilmiah Multidisiplin Scripta Technica: Journal of Engineering and Applied Technology Inventa: Journal of Science, Technology, and Innovation Journal of Industrial Management Inspiration
Yudi Prastyo
Universitas Pelita Bangsa
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : scripta technica journal of engineering and applied technology

 1 
Analisis Penyebab Tingginya Reject Produk pada Area Warehouse Menggunakan Metode Pareto, 5 Why Analysis, dan Fishbone Diagram Rizal Deokosta; Muhammad Ifdol; Hilman Mubarik Aziz; Immanuel Wijaya Huwae; Yudi Prastyo
Journal of Engineering and Applied Technology Vol 2 No 1 (2026): : June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/5ev5xv84

Abstract

The high rate of product rejection within the warehouse area compromises spatial efficiency and escalates logistics expenses in automotive manufacturing. This empirical study constructs a structured diagnostic interventional framework using Pareto charts, Fishbone diagrams, and 5 Why analysis to mitigate storage quality failures. Baseline evaluations revealed that the initial defect rate peaked at 5.20% (520 rejected units), significantly violating the 3.0% corporate tolerance threshold, with material damage and misplacement contributing a substantial 76.92% cumulative total. To address these layout and procedural root causes, engineering interventions were deployed, including warehouse redesign, shared storage, rigid pallet stacking limitations, standardized visual labeling, and operator competency training. Post intervention comparative analysis demonstrated an exceptional recovery in operational reliability, successfully driving the rejection rate down to 2.8% (280 units). This systematic reduction demonstrates the robust efficacy of integrating statistical quality metrics with spatial engineering to achieve sustainable operational excellence in modern industrial warehousing.  
Analisis Akar Masalah Noise pada Instrument Panel (Dashboard) Kendaraan Menggunakan Pendekatan Why-Why Analysis dan Fishbone Diagram Sifha Awaludin; Muh Amirudin; Yudi Prastyo
Journal of Engineering and Applied Technology Vol 1 No 2 (2025): December: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/t7frmw90

Abstract

Noise issues in vehicle instrument panels remain a critical challenge in automotive interior quality, particularly in the form of rattle and squeak phenomena that affect customer perception and product reliability. This study examines the root causes of instrument panel noise through an integrated application of Why-Why Analysis and Fishbone Diagram. The research is based on an in-depth analysis of documented manufacturing practices, dimensional variability, material behavior, and assembly conditions commonly encountered in automotive production. The findings indicate that noise generation is primarily driven by inconsistent dimensional gaps resulting from process variability rather than design deficiencies alone. Why-Why Analysis reveals that inadequate fixture maintenance, inconsistent adherence to standard operating procedures, and limited sensitivity in quality control systems represent the most dominant root causes. The Fishbone Diagram further demonstrates how human factors, equipment condition, material characteristics, measurement limitations, assembly methods, and environmental conditions interact to amplify noise risks. By combining both analytical approaches, the study provides a comprehensive understanding of the mechanisms behind instrument panel noise and highlights the importance of holistic process control and continuous improvement strategies to achieve sustainable NVH performance.    
Co-Authors Ade Bagas Kusuma Ade Surya Rachmawan Agus Setiawan Ahmad Fauzi Ahmad Syarifudin Akbar Fauzi Aldi Ilham Saputra Andry Putra Pratama Anggita Muhamad Maulana Ariel Dwi Putra Asep Hidayat Asroni Asroni Bagus Pamungkas Bayu Putra Nur Pratama Damar Eulan Dandi Maulana David Rakes Dede Sopandi Della Putrica Dita Aditia Sunarya Dony Bayu Leksono Dwi Ayu Puspita Sari Erwin Setiawan Fahri Fadilah Fajar Fajar Dwi Prasetiyo Fajriyah Amanatus Sholikhah Faqih Sidik Muttaqin Farhan Hidayat Ferdian kosagiama Ferdian Setia Nugraha Fernanda Aprian Firman Firdaus Hamzah Sodikin Heru Darmawan Hilman Mubarik Aziz Ibnu Arief Hamonangan Ritonga Ikhsan Dwi Nugroho Immanuel Wijaya Huwae Kerina Putri Nasution Like Andreas Kindangen M. Khafid Ramadhon Maulana Ainul Yaqin Melco Wanjaya Moehammad Dendy Handoko Monika Lestari Muh Amirudin Muhamad Bintang Salahudin Muhamad Fian Muhamad Ilham Muhamad Rafli Muhamad Tegar Maulana Muhammad Arif Muhammad Asyraf Hisyam Hidayat Muhammad Ibel Muhammad Ifdol Muhammad Rizki Abdul Aziz Nailla Dwi Rizkia Niki Farras Al Ghalidza Vannie Pranata Fransiscu Sembiring Rangga Arisandy Reno Agusto Revanza Fitra Hamdany Reza Kholil Yusni Ria Sri Amelia Ridzqi Alfauji Rismawati Pebriani Rizal Deokosta Rizki Rismana Putra Rizky Febriansyah Rossy Ruwandra Sabilla Sholiah Salsabila Syifa Nuraini Setiawan Laia Sifha Awaludin Suhendra Takuya Takuya Tri Rachmadi Trisna Trisna Vicky Adni Firmansyah Wahyu Darmawan Yacobus Lase Yoga Pratama Yunita Yunita Yunus Yunus Yusuf Eka Setiawan Yusup Purnomo