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All Journal Industrial Engineering Online Journal OPSI JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Journal of ICT Research and Applications Jurnal Rekayasa Mesin Applied Industrial Engineering Journal Jurnal Ilmiah Teknik Industri Abdimasku : Jurnal Pengabdian Masyarakat IEJST (Industrial Engineering Journal of the University of Sarjanawiyata Tamansiswa) JURNAL TEKNIK INDUSTRI
Pramudi Arsiwi
Program Studi Teknik Industri, Universitas Dian Nuswantoro
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

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Journal : OPSI

 1 
Analysis of Supply Chain And Value Chain On Smoked Manyung Fish To Increase Sales On “Asap Indah” Fish Production Center Wonosari Village Demak Niken Siswaningsih; Pramudi Arsiwi; Tita Talitha
OPSI Vol 14, No 2 (2021): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v14i2.5339

Abstract

Fish Production Center “Asap Indah” is one of the production centers in Demak, which specializes in processing fresh fish into semi-processed products, smoked fish. To support the sustainability of product distribution, supply chain management is needed to oversee the process from procurement of raw material to distribution to final consumers. Therefore, a comprehensive supply chain management analysis is necessary to increase sales and establish effective distribution channels. This research aims to understand the existing value chains of smoked manyung fish, the added value of each contributor on value chains, and to determine the most effective distribution channels of smoked manyung fish. The method used for data processing is descriptive-analytic SCM, Value Chain, and Value Added method. The result of this research, based on value-added calculation analysis using the Hayami method, shows fresh fish wholesalers give the least added value to the product or have the least amount of activities, so decreasing the unproductive activity to lower production cost is recommended. Value chain analysis shows that distribution channels or the most effective selling method of smoked fish are direct selling to the final consumer,accompanied by developing vacuum packaging to increase consumers’ interest in the product.
3D Relief Cutting Process Using 2D Image Luminosity Grayscaling on The G-Weike WK1212 CNC Router Machine Dewa Kusuma Wijaya; Pramudi Arsiwi
OPSI Vol 14, No 2 (2021): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v14i2.5505

Abstract

 This study implements the image litophane processing method to convert 2D images into 3D designs using image luminosity grayscaling techniques, so that the design process as input data for CNC router machining operations can be carried out quickly to support rapid prototyping technology. Furthermore, this research will process the 3D design into a 3D engraving object with a relief cutting process using a G-Weike WK1212 CNC router machine. Using the image luminosity grascaling technique, the color composition value is obtained to change the grayscale color image by 33% red, 59% green and 11% blue with a luminosity value of 35% or 89 from the range of luminosity grayscale levels 0 - 255. These results are further increased by 50% to 172 or 67% of the range of grayscale luminosity levels L[0, 255] so that it will be at the ideal luminosity value for the relief cutting process. Using a luminosity value of 172 from a grayscale image, the actual depth value is 1.82mm from a total depth of 3mm, which of course the relief pattern will look good.
Proposed Machine Maintenance Management To Reduce Breakdown In Kacang Atom Production Process PT. XYZ With Preventive Maintenance Method Yusril Ananda Ainun Huda; Pramudi Arsiwi
OPSI Vol 15, No 2 (2022): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v15i2.8046

Abstract

PT. XYZ is engaged in the production of snacks. This company makes products from raw materials to finished products. In the packaging section using a machine called CingFong, the problem that often occurs in the packaging section is that there is often a buildup of production materials due to waiting for machines that have not finished maintenance so that it can reduce the productivity of this factory. Overall the method used is Preventive Maintenance by looking for Mean Time To Failure (MTTF) to identify critical components in Cingfong engine parts. From the data processing that has been done, it is known that the Clutch, Blade and Emergency Stop are components that fall into the category of critical components with a total Cumulative Downtime of 70.3%.
Analysis of Critical Activity in the Hydromechanical Component Fabrication Project for Dam “X” using the Critical Path Method Pramudi Arsiwi; Tita Talitha; Dony Satriyo Nugroho; Maharsa Pradityatama
OPSI Vol 16, No 1 (2023): ISSN 1693-2102
Publisher : Jurusan Teknik Industri Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v16i1.9144

Abstract

One of the projects currently being undertaken by PT. XYZ is Dam “X”. Based on project management data obtained from PT. XYZ, the actual project construction process experienced a significant delay from the planned schedule, with a delay duration of approximately 30 days. The delay will have an impact on the duration of the final completion of the project, including the process of delivering project results to consumers. The purpose of this study is to determine the critical path in project implementation and identify activities that do not have slack time because it will affect the duration of the overall project completion. The method used in this study is the Critical Path Method (CPM), which is a network method consisting of a series of activity components with the longest total time and showing the fastest duration of project completion. The results showed that the Manufacturing Project has a total of 11 critical activities out of 37 activities (work packages), with a total critical time of 75 days. The total critical time from the calculation of the CPM method also shows the optimal total project duration which can be used as a reference for the project team for the completion of a fabrication project or a hydromechanical component installation project on Dam "X".
Co-Authors Ayudira Cindy Nurmalita Sari dan I.G. Bagus Budi Dharma Ratih Setyaningrum Heddy Shri Ahimsa-Putra Dewa Kusuma Wijaya Dewa Kusuma Wijaya Dewa Kusuma Wijaya Dewi Agustini Santoso Dian Retno Sawitri Egia Rosi Subhiyakto Estiningtyas, Rieska Ariyati Frendy Metason Kusumo, Probo Maharsa Pradityatama Muhammad Sofyan Karim Muhammad Tegar Jauhar Arrafie Niken Siswaningsih Nugroho, Dony Satriyo Nur Islahudin Prajanto Wahyu Adi Prajanto Wahyu Adi Prajanto Wahyu Adi Prajanto Wahyu Adi Prajanto Wahyu Adi, Prajanto Wahyu Probo Kusumo Rahadian, Helmy Rieska Ariyati Estiningtyas Sintya Septiani Budisetio Sri Hartini Hartini Sylvia Anjani Tita Talitha Tita Talitha Tita Talitha Wijaya, Dewa Kusuma Wiwik Budiawan Yusril Ananda Ainun Huda