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Wilson Kosasih
Program Studi Teknik Industri, Fakultas Teknik Universitas Tarumanagara
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Transportation Other

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QUALITY IMPROVEMENT ANALYSIS USING THE SEVEN NEW QUALITY TOOLS AND POKA YOKE IN A SAFETY SHOES MANUFACTURING COMPANY Nathaniel; Kosasih, Wilson; Salomon, Lithrone Laricha
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/mv4y6h87

Abstract

This safety shoe company is a manufacturing company that faces various quality issues, such as defects in stitching, leather, mismatched shoe pairs, and incomplete components. Based on production data from March 2024 to February 2025, the most dominant defects were “Mismatched Pairs” and “Incomplete Components,” with a total of 3,694 defective pairs out of 120,000 produced, resulting in a DPMO value of 7,695.83. This study aims to identify the root causes of these defects and design quality improvement solutions using the New Seven Quality Tools and PokaYoke methods. Data were collected through field observations and literature reviews, then analyzed using tools such as the Pareto Diagram, Affinity Diagram, Interrelationship Diagram, Tree Diagram, and Matrix Analysis. The results show that immediate corrective actions include the development of standard operating procedures (SOPs), routine socialization, daily briefings, improved lighting, and component replacement. Long- term solutions, such as adding conveyor belts and implementing preventive maintenance, could not yet be executed due to time and cost constraints. Implementation efforts focused on developing a Poka Yoke-based SOP at the packing station as a concrete step toward improving product quality.
Co-Authors Adianto , Adianto Adianto . Adrian, Kevin Ahmad Ahmad . Ahmad Ahmad Ahmad Ahmad Ahmad Ahmad Ahmad Ahnad Ajipangestu, Mario Albert, Jonathan Alvan Prayogo Andres Andres Andres Andrian Andrian Andrian Andrian Angelo, William Asrini, Luh Juni Calvin Santoso Chang, Michael Jordy Daniella, Edeline Vanessa Dian Retno Sari Dewi Dian Trihastuti Doaly, Carla Olivia Doaly, Carla Olyvia Eilen Celsia Elisha Sanjaya Erickson . Eunike Hazael Faisal Mustaqim Florencia, Gabby Frans Jusuf Daywin Frans Jusuf Daywin Frans Jusuf Daywin Harnawan, Christianto helena juliana kristina helena juliana kristina Helena Juliana Kristina Hendrawan . I Wayan Sukania Ig. Jaka Mulyana Iphov Kumala Sriwana Iwan A Soenandi Iwan Aang Soenandi Joses Julius Juyanto, Jennifer Kevin Wiliam Kristina, Helena Juliana lamto widodo Lilyana Jap Lina Gozali Lithrone Laricha Lithrone Laricha Lithrone Laricha S Lithrone Laricha S Lithrone Laricha S. Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Laricha Salomon Lithrone Salomon M.Agung Saryatmo Marcella Darmawan Marsella Marsella Marsella Mohammad Agung Saryatmo Mutiara, Maitri Widya Nathaniel Nathanniel, Clayren Ong, Michelle Roselyn Ongan, Freddy Bano Ricko Ricko Rico Adhesi Rizkika, Adelia Dwi Rumayar, Christania Putri S., Lithrone Laricha Salomon , Lithrone Laricha Salomon, Lihrone Laricha Sandrina, Laura Santoso, Elizabeth Clara Saputra, Natalia Lydia Saryatmo, Mohammad Agung Sauw Oscar Angkasa Sauw Oscar Angkasa Sherline Leonica Silvi Ariyanti Silvi Ariyanti Siti Rohana Nasution Sunantha, May Calysta Sylvia Tjhia, Andres Tjoe, Jerry Chandra Utama, Didi Widya Vera Veliria Vieren Yulies Triyani Vioren, Venny Wijaya, Leonardo Agusta Winda Jeania Purnama Winda Jeania Purnama Wirahata, Christie Yennie Salim Yoseph