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Jurnal Teknik Industri Terintegrasi (JUTIN)
Published by Universitas Pahlawan Tuanku Tambusai
ISSN : 26208962     EISSN : 26208962     DOI : 10.31004jutin
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Teknik Industri Terintegrasi merupakan jurnal yang dikelola oleh Program Studi Teknik Industri Fakultas Sains dan Teknologi Universitas Pahlawan Tuanku Tambusai yang menjebatani para peneliti untuk mempublikasikan hasil penelitian di bidang ilmu teknik dan teknik industri mencakup proses manufaktur, kegagalan dan rekayasa material, perawatan berbasis keandalan, keselamatan kerja, perancangan sistem kerja dan ergonomi, pengendalian dan penjaminan mutu, tata letak fasilitas, penelitian operasional, kewirausahaan dan pengembangan bisnis
Arjuna Subject : -
Articles 166 Documents
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Search results for , issue "Vol. 8 No. 3 (2025): July" : 166 Documents clear
Penyelesaian Capacitated Vehicle Routing Problem (CVRP) dengan Nearest Neighbour (Studi Kasus: Russian CVRP Instances) Sanggala, Ekra; Bisma, Muhammad Ardhya
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46463

Abstract

Capacitated Vehicle Routing Problem (CVRP) is one of the most popular VRP variants. Nearest Neighbour (NN) is a very simple and very easy heuristic. The basic concept of Nearest Neighbour is to choose the closest point that has never been visited. Russian CVRP Instances created by the author based on Russian history and places in Russia. The total route length for each CVRP Instance is AK-47-CVRP (60857 km), Gagarin-108-CVRP (75920 km), Mendeleev-101-CVRP (116248 km), Petersburg-182-CVRP (2713 km), Popov-250-CVRP (164974 km), Russia-10-Nodes-CVRP (15911 km), Russia-20-Nodes-CVRP (21480 km), Siege-of-Leningrad-872-CVRP (11012 km), World-Cup-Stadium-12-CVRP (10793 km) and Yashin-270-CVRP (105616 km).
Relayout Gudang E-Bike dengan Metode Class Based Storage untuk Mengurangi Waktu Pengambilan dan Pencarian Barang Kharisma, Yuyun; Purnama, Jaka
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46484

Abstract

PT. HTI is an e-bike distributor that experiences constraints in warehouse layout efficiency, such as irregular placement of goods and long search times. This study aims to design a space arrangement strategy based on the frequency of goods movement, as well as to improve the warehouse layout. The Class-Based Storage method is used in product grouping. The results of the study show that redesigning the warehouse layout improves the efficiency of space use based on demand levels (classifications A, B, C). Significant changes are seen on the 1st floor of the main warehouse, which was previously dominated by classes B and C, now allocated for class A goods. The implementation of this strategy has been shown to speed up the goods retrieval process and improve overall operational efficiency.
Analisis Pengendalian Persediaan Bahan Baku Utama Tangki Air Menggunakan Metode Continuous Review System (CRS) pada PT. XYZ Waaidzin, Zubaidu; Mundari, Siti
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46497

Abstract

PT XYZ is a manufacturing company headquartered in Surabaya that produces plastic‑based products, particularly water storage tanks. PT BIS occasionally encounters both excess raw‑material inventory (overstock) and shortages (stockouts) of its primary tank materials namely first‑layer and second‑layer plastic pellets while in certain months the third‑layer pellets accumulate in surplus. To resolve these issues, the company applied the CRS method to optimize raw‑material inventory levels, preventing stockouts and ensuring real‑time fulfillment of product demand. Using CRS, the optimal purchase quantities were determined to be 7.002 kg for layer 1, 6.398 kg for layer 2, and 5.453 kg for layer 3, at a total cost of IDR 25.266.957 down from the previous cost of IDR 29.997.842. By incorporating safety stock and reorder‑point calculations, the CRS method prevented stockouts and reduced inventory expenses by approximately IDR 4.731.000.
Perencanaan dan Pengendalian Bahan Baku Pendukung Guna Mengoptimalkan Persediaan dan Meminimasi Biaya Persediaannya pada PT. XYZ Nekea, Keane Kenze; Mundari, Siti
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46499

Abstract

PT. XYZ is a manufacturing company engaged in processing raw paper materials. The paper is processed into finished products such as release liners, label stickers, and digital printing media. PT XYZ faces challenges in managing its raw material inventory, particularly for the packaging support materials. The company offers 66 types of products, several of which require specific raw materials, and the demand for each product varies and is not consistent. To address this issue, inventory control methods such as Fixed Order Interval (FOI) and Min-Max can be applied. These methods help determine the optimal quantity of raw material procurement and minimize inventory costs. Based on the calculations, the FOI method resulted in the lowest total inventory cost, amounting to IDR 128,748,345, compared to the company’s current policy, which amounts to IDR 137,694,671. The difference in total inventory cost between the FOI method and the company’s policy is IDR 8,946,326, or approximately 6.5% lower.
Relayout Gudang Produk Jadi dengan Pendekatan Class- Based Storage di PT. XYZ Septia, Wulan; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46522

Abstract

Warehouse efficiency involves the optimal management of space and time. PT. XYZ is a manufacturing company that produces pipes and fittings; however, it has not yet implemented a product classification system or location labeling, resulting in inefficient item retrieval processes. This study aims to redesign the warehouse layout using a class-based storage approach combined with ABC analysis. The classification results show that Spr products consist of Class A (68.49%), B (20.55%), and C (10.96%), while Exc products consist of Class A (69.47%), B (20%), and C (10.53%). Products with diameters ranging from 5/8” to 4” are recommended to be stored on racks, while those with diameters greater than 4” should be placed on the floor. This layout is expected to improve the efficiency of the item search and retrieval process in the warehouse
Perencanaan Pengadaan Biji Plastik Guna Meminimasi Biaya Pembelian Bahan Baku Sari, Ayu Widya Puspita; Wati, Putu Eka Dewi Karunia
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46535

Abstract

As a company engaged in the plastic sack manufacturing sector, PT. XYZ is highly dependent on plastic pellets as the main material in its production activities. Currently, the company’s raw material inventory planning is inefficient, necessitating improvements in inventory control. One effective method to address this is Linear Programming, which supports decision-making by optimizing the allocation of resources such as machinery, labor, capital, time, capacity, and materials. In this case, PT. XYZ procures raw materials from two suppliers with varying capacities and costs while facing storage limitations. The study focuses on minimizing raw material purchasing expenses. Findings reveal that sourcing solely from the first supplier, with a purchase volume of 1,577,852 kg, results in the lowest cost of Rp 4.141.861.464,54. Utilizing Linear Programming led to a cost reduction of Rp 1,621,664,213.62 compared to previous procurement strategies.
Reduksi Pemborosan pada Proses Produksi Klem Galah Sawit dengan Pendekatan Lean Manufacturing (Studi Kasus: PT. XYZ) Kurniawan, Mashur Affandi; Mundari, Siti
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46547

Abstract

PT XYZ is a metal manufacturing company that produces various components based on Make to Stock and Make to Order systems. However, the company faces efficiency challenges, particularly on the production line for oil palm pole clamps, where significant time and energy waste leads to customer delivery delays. This study applies the lean manufacturing approach to identify and reduce this waste. Process analysis successfully identified three dominant types of waste: motion, inventory, and waiting, with motion being the largest contributor at 21.66%. Based on these findings, a series of improvements were proposed, including standardized work procedures, 5S implementation, visual management, and operator training. The implementation of these proposals resulted in a 10.55% improvement in total production process efficiency. This gain was achieved entirely by eliminating Non-Value Added (NVA) activities, without altering core Value-Added (VA) processes.
Analisis Keseimbangan Lintasan Produksi dalam Upaya Mengurangi Waktu Tunggu pada Proses Produksi Kursi (Studi Kasus: UD. XYZ) Alfiono, Bima; Mundari, Siti
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.46550

Abstract

UD. Santoso Mandiri is a company engaged in the furniture industry and applies a make-to-order system in producing chairs. The company faces an imbalance in the production line, particularly at the bending and welding stations, which leads to work accumulation. This study aims to minimize delays at workstations to achieve a balanced production line. Data were collected through observation and interviews, then analyzed using the Ranked Positional Weight and Region Approach methods. The results showed that the Ranked Positional Weight method provided more optimal outcomes, with a proposed reduction in the number of workstations from five to three. The grouping of work elements was carried out based on priority order and completion time. As a result, line efficiency increased to 72.95%, while balance delay decreased to 27.05%. This study is expected to help create a more balanced workflow and reduce delays in the production process.
Perancangan Alat Bantu Pengambilan Kain pada Proses Pengukuran dan Pemotongan di Konveksi Printrend dengan Metode Rasional Madani, Aqshal; Ramadhani, Fahmi; Setyowati, Linda; Mutmainah, Mutmainah
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.43830

Abstract

Cutting and Measur ing Process at CV. Printrend Convection has several work activities. However, the work activity when taking the fabric below, which is done repeatedly by bending, is not ergonomic. Based on the results of the RULA method, this attitude is high risk, and the final score obtained is 7, so it is high risk, and changes are made now. Therefore, a design was made to reduce the final RULA score using the rational method, the height of the design is based on the anthropometry of the worker's Standing Height with the 10th percentile. Then, the use of the design is simulated with Catia to determine the final RULA score. Based on the simulation results, pulling fabric from the fabric hanging tool and taking fabric from below with a new work attitude gets a final RULA 3 low-risk score. The activity of taking fabric from the highest fabric rack based on the simulation with Catia receives a final score of RULA 2 with a work attitude whose risk can be ignored. From the simulation results, the design succeeded in reducing the final RULA score and it’s risk level
Analisis Waktu Baku dengan Metode Work Sampling untuk Menentukan Jumlah Tenaga Kerja di Bagian Pengepakan PT. Panganmas Inti Persada Cilacap Pratiwi, Yuliyanti Dian; Hidayati, Nurul; Wahyudiantoro, Andi; Prasetyo, Nuniek Chandraswati
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.44621

Abstract

PT. Panganmas Inti Persada is a company that processes wheat grains into wheat flour. In the packaging section of this company, there is a problem, namely the lack of workers, so the purpose of this study is to determine the most optimal number of workers. This study uses the Work Sampling method by observing operator activities and calculating productive time. The results obtained in this study are the average productive time of all operators is 91.50% and idle time is 8.50%. The standard time to complete the product filling is 0.153 minutes and sewing is 0.152 minutes. While the number of workers needed for product filling is 1.26 people and sewing is 1.25 people. So the number of workers needed to complete the packaging work is 2.51 people or 3 people. 

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