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All Journal Journal Industrial Servicess Jurnal Teknovasi : Jurnal Teknik dan Inovasi Mesin Otomotif, Komputer, Industri dan Elektronika
Tarnoto Tarnoto
Universitas Singaperbangsa Karawang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Optimasi rute distribusi gas LPG 3 kg menggunakan metode tabu search pada PT. SPI Tarnoto Tarnoto; Wahyudin Wahyudin; Risma Fitriani
Journal Industrial Servicess Vol 7, No 1 (2021): Oktober 2021
Publisher : Fakultas Teknik Jurusan Teknik Industri Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v7i1.12010

Abstract

PT. SPI is one of the agents of 3 kg LPG gas in the Karawang area, where there are problems in the process of distributing 3 kg LPG gas, because the route chosen for delivery is based on the intuitiveness of the driver who carries out the distribution process. PT. SPI has 11 vehicles where there are differences in vehicle capacity, therefore the problem of PT. SPI is a type of Heterogeneous Fleet Vehicle Routing Problem. This study aims to determine the optimal distribution route, calculate the distribution costs required by PT. SPI to the base and compare the company's existing route with the proposed route that is formed based on the total distance traveled and the costs to be incurred. The method used in this research is the method Clarke and Wright saving as the initial solution assignment which is then optimized by the method Tabu search. The results obtained in this study are the method Tabu search can form a route that is close to optimal with a total distance of 1323.4 kilometers with the search process using a maximum of 60 iterations can reduce the total distance traveled on Monday to Saturday, the difference from the total existing mileage with the proposed route is 141.2 kilometers with a percentage of the decrease in the existing total mileage with the total proposed mileage as a whole is 9.6% In addition, it can provide a total distribution cost of Rp. 24,015,811,- /week, and the difference between the existing total distribution costs and the proposed distribution costs is Rp. 1,758,994 and can be presented as a decrease in total distribution costs of 6.8%.
ANALISIS TINGKAT KECACATAN PADA CHILDPART BUTTON REALESE DENGAN MENGGUNAKAN METODE VISUAL CHECK DAN (4 QC) TOOLS DI PT. XYZ Tarnoto Tarnoto; Wahyudin Wahyudin; Dene Herwanto
Jurnal Teknovasi : Jurnal Teknik dan Inovasi Vol 8, No 2 (2021): TEKNOVASI JUNI 2021
Publisher : LPPM Politeknik LP3I Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55445/teknovasi.v8i2.533

Abstract

This research focuses on analysis of childpart button realese parking brake component in PT. XYZ. The purpose of this research is to improve the quality produced by the company and minimize the occurrence of disability in the childpart button realese into the assembly process. The method used is a descriptive method that’s is a research method by collecting data that describes systematically and accurately. Data collection techniques in this study use observation directly to PT. XYZ, with the help of statistic tool with visual check method and 4 QC tools in PT. XYZ. visual check method can help a QC Inspector to know the defects in childpart button realese component, after that assisted by 4 QC tools method consisting of histogram diagram, pareto diagram, P control map (P-Chart) and casual diagram. Observations during practical work at PT. XYZ, that the data type of incompatibility on the component childpart button realese with the total number of samples taken at the time of practice work as much as 3.950 pcs with 15 days of sampling data. Of the 3.950 pcs there are different types of damage, including scratch, spots, bubbles, and grafients and the highest of the four types of damage is the type of scratch damage with a percentage of 33,96%. therefore the anticipation so that the occurrence of defective products (not good) into the assembly procces, QC inspector provides a strict examination in the process and when the product is finished (finish good) lever assy parking brake.
Co-Authors Dene Herwanto Risma Fitriani Wahyudin Wahyudin