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All Journal G-Tech : Jurnal Teknologi Terapan
Elly Ismiyah
Universitas Muhammadiyah Gresik, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering

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Analisis Waste Pada Proses Produksi Decking dengan Pendekatan Lean Manufacturing di PT. Cahaya Niaga Persada Muchammad Bashori; Elly Ismiyah; Deny Andesta
G-Tech: Jurnal Teknologi Terapan Vol 7 No 4 (2023): G-Tech, Vol. 7 No. 4 Oktober 2023
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v7i4.3309

Abstract

Persaingan industri menuntut perusahaan untuk berkembang dan meningkatkan efisiensi dan efektivitas produksi. Salah satu produsen produk kayu decking yaitu PT. Cahaya Niaga Persada. Selama produksi, perusahaan menemukan banyak masalah yang mungkin menghalanginya memenuhi permintaan. Pengurangan pemborosan dapat meningkatkan efisiensi. Salah satu cara untuk mengurangi pemborosan adalah dengan implemetasi metodologi lean manufacturing. Setelah mengidentifikasi pemborosan menggunakan kuesioner, dilakukan pemetaan komprehensif dan penyebab mendasar. Menurut brainstorming dengan perusahaan, waiing (27.78%), dengan pemetaan Aktivitas Proses (PAM) menunjukkan bahwa aktivitas delay menyumbang 45% dari aktivitas proses. Hasil penelitian menunjukkan bahwa terdapat peningkatan pada waktu proses produksi decking dari sebelum dilakukan perbaikan total waktu sebesar 23279,9 menit, dan setelah dilakukan perbaikan menjadi 21589,23menit yang berarti terdapat peningkatan sebesar 1690.7menit atau 28,178jam dalam sekali proses produksi.
Upaya Pengendalian Kualitas Kadar Moishture Terigu Menggunakan Metode Failure Mode Effect Analysis dan Analisis Cost Of Poor Quality Pada PT. XYZ Abdul Ghoni Mu'is; Elly Ismiyah; Akhmad Wasiur Rizqi
G-Tech: Jurnal Teknologi Terapan Vol 7 No 4 (2023): G-Tech, Vol. 7 No. 4 Oktober 2023
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v7i4.3394

Abstract

PT. XYZ merupakan produsen makanan yang memproduksi tepung terigu. Perusahaan ini memiliki pangsa pasar domestik dan internasional. Tepung terigu ada bermacam-macam merk, salah satunya adalah "AA". Tepung terigu mempunyai standar baku yang beragam, diantaranya kadar air atau moishture. Produk merek AA mempunyai kadar air 14,00%. Namun pada tahun 2022, perusahaan hanya berhasil mendapatkan 13,47% kadar air. Kadar air tepung terigu mempengaruhi berat produk, sehingga kualitas hasil yang buruk dapat menurunkan harga jual. Estimasi COPQ dengan menggunakan rumus dari perusahaan menunjukkan kerugian material akibat kualitas kadar air tepung terigu merk AA pada tahun 2022 yaitu sebesar Rp 11.325.600.000. Diagram tulang ikan digunakan untuk menganalisis sebab dan akibat masalah ini. FMEA dilakukan dengan menggunakan temuan diagram tulang ikan. Menurut penelitian, banyaknya kesalahan yang dilakukan Moish Control menyebabkan kegagalan yang sering terjadi, oleh karena itu penjadwalan pemeliharaan preventif sangatlah penting.
Analisis Tingkat Kepuasan Pelanggan SPBU XYZ Gresik dengan Metode Service Quality (Servqual ) dan Importance Performance Analysis (IPA) Adymas Trenaldy Pramu Bintoro; Elly Ismiyah; Moh. Jufriyanto
G-Tech: Jurnal Teknologi Terapan Vol 8 No 3 (2024): G-Tech, Vol. 8 No. 3 Juli 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v8i3.4330

Abstract

This research was conducted at XYZ gas station with the aim of 1). Knowing the value of customer satisfaction and GAP that occurs in each service attribute, 2). Mapping service attributes on a Cartesian diagram based on satisfaction and expectation values, 3). Provide improvement proposals for service attributes that have the highest GAP. Based on the results of the study, it can be obtained that the average satisfaction level of 5 servqual dimensions is 3.42 and the average expectation level of 5 servqual dimensions is 3.38 so that a positive GAP value of 0.04 is obtained. The highest dimensional GAP was identified in the reliability dimension (reability) which has a value of -0.20. Based on the IPA results of 19 indicators, there are 6 indicators that should be the main priority of the gas station because they are in quadrant I, which shows that the indicators in the quadrant are considered important by customers but the performance of the XYZ gas station is actually low and not appropriate.
Analisis Persediaan Bahan Kimia Karl Fisher Solvent Pada PT. XYZ dengan Metode Economic Order Quantity (EOQ) dan Periodic Order Quantity (POQ) Ridho Kurniawan; Elly Ismiyah
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5421

Abstract

PT. XYZ is the most complete fertilizer producer in Indonesia, where every production process requires quality control and product quality assurance. In this case, a laboratory is needed to analyze the quality of the products produced. One of the supporting materials in product quality analysis, namely liquid chemicals, is Karl Fisher Solvent. This research was conducted to calculate and analyze the comparison of order quantity, order frequency, safety stock, reorder point, and total inventory costs using 2 inventory control methods EOQ and POQ, so that it can be seen which method is the most optimal. , EOQ, POQ, or company. The analysis results show that the most optimal method for inventory control, namely the EOQ method, can save inventory costs by 22% with an order quantity of 39 liters, order frequency 4 times, total inventory costs of Rp. 284,771, safety stock 4 liters and reorder point 10 liters.
Proposed Improvements to Production Facility Layout Using ARC and ARD at Home Industry Aurora Official Muhammad Hasbi Ash Shiddiqi; Elly Ismiyah; Yanuar Pandu Negoro
G-Tech: Jurnal Teknologi Terapan Vol 9 No 1 (2025): G-Tech, Vol. 9 No. 1 January 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i1.6219

Abstract

Home Industry Aurora Official, which is engaged in the manufacture of pillows and baby mattresses, faces problems related to inefficient facility layouts in the workflow. Suboptimal layouts result in excessive waste of distance, which affects production time and reduces operational efficiency. This study aims to design a more efficient facility layout by minimizing the distance between production processes. The methods used in this study are the ARC (Activity Relationship Chart) and ARD (Activity Relationship Diagram) methods, which can help design layouts based on the relationships between production activities and determine the relationships between activities based on their priority level of proximity. Based on the analysis results, the initial layout produces a total distance of 940 meters, while the two alternative proposed layouts produce distances of 310 meters and 405 meters respectively. Of the two proposed layouts, proposed layout 1 was chosen as the proposed layout for the company with a total distance of 310 meters, with a decrease of 67% from 100% of the total distance of the initial layout. The results of this study indicate that the application of proposed layout 1 can improve workflow efficiency and reduce waste time in the production process.
Co-Authors Abdul Ghoni Mu'is Adymas Trenaldy Pramu Bintoro Akhmad Wasiur Rizqi Deny Andesta Moh. Jufriyanto Muchammad Bashori Muhammad Hasbi Ash Shiddiqi Ridho Kurniawan Yanuar Pandu Negoro