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All Journal OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Joined Journal (Journal of Informatics Education) Jurnal Media Teknik dan Sistem Industri Prosiding University Research Colloquium Integrasi: Jurnal Ilmiah Teknik Industri TECHNOLOGIC
Setiawan, Rohmat
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Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Other

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Journal : OPERATION EXCELLENCE: Journal of Applied Industrial Engineering

 1 
Reducing dandori processing time using the single minute exchange of die method in swaging areas in automotive rubber components company Sudarmaji, Heri; Setiawan, Rohmat; Adhika, Muhammad; Pamungkas, M.Dimas Satria
Operations Excellence: Journal of Applied Industrial Engineering Vol. 15, No. 2, (2023): OE July 2023
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2023.v15.i2.079

Abstract

The automotive component company is engaged in the manufacture of automotive rubber components. Based on data obtained from field observations, it was found that the Dandori process on the swaging Nox machine, especially TA090 type, had the highest downtime compared to another component. Based on these problems, research uses the Single Minute Exchange of Die (SMED) method to reduce Dandori downtime in the TA090 swaging process. The SMED method was carried out in three stages: 1. identify internal and external setup, 2.  Converting internal to external setup, and 3. Streamlining aspects of operation. In addition, it also used data processing tools, namely SMART, fishbone, and 5W+1H as support to solve this problem. Improvements were made by converting internal work elements into external ones and streamlining aspects of operation by improving on man, method, and machine/tools categories.  The result of these improvements was a decrease in downtime of 39 minutes 48 seconds and the improvement efficiency achieved was 81.2%.
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 Adhika, Muhammad Afiyah, Nafis Salma Alfarizky, Fajar Hafidz Amini, Setiana Rahmawati Budi Prahara, Rahayu Dewi Audensi, Faratiti Ego Guarsa, Nicholas Eksa, Sendika Kurnia Elkatrimulia, Luthfiana Lintang Fara Safitri, Dimensi Farrel, Vincensius H., Yoga Andriko Heri Sudarmaji Huda, Hidayat Sukma Ibadurrahman, Muhammad Izzat Indra Setiawan Ismaya, Diah Pradista Kharis, Mohamad Lestari, Tri Darma Mafiyah, Siti Maulidina, Azizah Novita Aisa, Neilinda Nur Andi W, Muhamad Pamungkas, M.Dimas Satria Pratama, Hafiidz Satria Puspita, Windy Yuliana Rinaldi, Reza Erdin Rosyidi, Edwar Septiany, Putri Dwi Siregar, Januar Parlaungan Subagio, Djoko Sugihartanti, Noviani Putri Triantoro, Viko Wahyu Wibisono, Aprianto Wicaksono, Danny Wildan Wildan Zahabiyah, Rifdah