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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnal Bahan Alam Terbarukan Majalah Ilmiah MOMENTUM OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Mechanical Engineering for Society and Industry Automotive Experiences jes Advance Sustainable Science, Engineering and Technology (ASSET)
Siregar, Januar Parlaungan
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : OPERATION EXCELLENCE: Journal of Applied Industrial Engineering

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Reducing reject cotter valve skyrocketing cylinder head parts in retainer Press Machine Process in the automotive industry Rosyidi, Edwar; Wibisono, Aprianto; Setiawan, Rohmat; Sugihartanti, Noviani Putri; Siregar, Januar Parlaungan; Pratama, Hafiidz Satria
Operations Excellence: Journal of Applied Industrial Engineering Vol. 17 No. 1 March 2025
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2025.v17.i1.131

Abstract

The automotive industry is an automotive company that produces various types of motorcycles, such as automatic, sport and cub. One of the processes is machining. This process is very important because quality is highly considered. In the machining process, the products produced are crankcase R, crankcase L, cylinder comp, cylinder head, crankshaft. Based on initial observations, this process found reject goods. In the cylinder head line machining area, especially the retainer press machine, there is a problem of reject cotter valve soaring and resulting in the repair process. This will have an impact on the addition of time to repair and product quality is reduced. PT XYZ is facing a problem with cotter valve soaring on the cylinder head product with daily report data for the last 3 months, the percentage of cotter valve soaring problems reaching 1.5% exceeding the maximum defect target of 0.5%. This study aims to reduce the level of reject cotter valve soaring during the retainer press machine pressing process. The method used is eight steps. One solution is to modify the punch size to adjust the urethane punch to work optimally. This process will have an impact on reducing the number of rejects. In addition, this repair also does not cause a repair process on the cylinder head part. The results of this study are very significant with the reduction in cotter cases soaring to 0.2%
Co-Authors Agustinus Purna Irawan Ahmad Athoillah Ahmad Kholil Alrasyid, Mochamad Dzaki ARHAMI Ari Setiawan Aripin, Muhammad Bustanul Atanasius Priharyoto Bayuseno Bachtiar, Dandi Bagastomo, Riondityo Soni Chusni Ansori Cionita, Tezara Dimyati, Saeful Dwiyati, Siska Titik Ekayuliana, Arifia Etanto Heiliano Wijayanto Fardinansyah, Akmal Putra Fitriyana, Deni Fajar Gunawan Refiadi, Gunawan Guteres, Natalino Fonseca Da Silva Guterres, Natalino Fonseca Da Silva Hadi, Agung Efriyo Iis Siti Aisyah Imran, Al Ichlas Iqbal, Mohd Ismail, Nur Hidayah Ismoyo Haryanto Istiqomah, Alfiana Fitri Jamiluddin, Jamiluddin Johni J Numberi JOHNSON SIALLAGAN Joni Junaedi, Thomas Kalatharan, Sujentheran Nair Kano, Christina Paulina Kriswanto Kriswanto, Kriswanto Marthen Liga Masri Mat Rejab, Mohd Ruzaimi Mat Rejab, Mohd. Ruzaimi Meiartha, REGA Mohd Ruzaimi Mat Rejab Muhammad Khafidh Muhibbuddin Muji Setiyo Nursafitri, Murti Ayu Pither Palamba Pramesti, Santinia Andiva Prasetyo, Ares Yudi Pratama, Danang Budi Pratama, Hafiidz Satria Prayogo, Wisnu Puspitasari, Windy Desti Putera, Finny Pratama Rifky Ismail Rosyidi, Edwar Rozanna Dewi Rusiyanto, R. Saifuddin Muhammad Jalil Samsudin Anis Setiadi, Rizki Setiawan, Rohmat Silva, Mateus De Sousa Da Siregar, Ramdhan Halid Sudiyono, S. Sugihartanti, Noviani Putri Suhaeri Sulistyo Sulistyo Syaefudin, Eko Arif Tengku Riza Zarzani N Tezara Cionita Thomas Junaedi Uniplaita, Tiper Korneles Muwarberto Wibisono, Aprianto Wijayanto, Etanto Heiliano Wisnu Prayogo Yabansabra, Yuliana Ruth Yotenka, Rahmadi Yuris Setyoadi Zulfadhli