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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 1,282 Documents
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Pengukuran Kinerja Rantai Pasok di PT XYZ dengan Pendekatan SCOR dan AHP Elsa Kristy Damanik; Eduart Wolok; Idham Halid Lahay
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.55972

Abstract

PT XYZ is a manufacturing company that produces foam and spring beds. The company has experienced problems in supply chain management, particularly delays in the delivery of raw materials from suppliers, which have disrupted production activities and hampered the achievement of company targets. This study aims to measure supply chain performance, identify key performance attributes, and formulate recommendations for improvement. Performance measurement was carried out using the Supply Chain Operations Reference (SCOR) model, and attribute weighting was performed using the Analytical Hierarchy Process (AHP) method. The results showed that PT XYZ’s supply chain performance score was 94.58, which is categorized as Excellent. However, indicators such as the timeliness of raw material deliveries, production schedule compliance, and level of production machine damage were still below standard. Recommendations for improvement include improving inventory planning, more efficient production scheduling, and increasing machine reliability.
Estimasi Cadangan Minyak pada Lapangan Trad Layer X Tank 2 Reservoir Deltaic Maria Cindy Manik; Stevan Vincent Djongihi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56044

Abstract

Structure MY was first drilled in late 1965 and reached its peak oil production in April 1966, with Np of 12.12 MMSTB, which continued until May 2013. At present, efforts to reactivate mature wells are being intensified in order to increase national production. However, a field can be declared economically feasible for production enhancement if it possesses sufficient oil reserves. Therefore, reserve estimation becomes a crucial step in field evaluation. In this study, reserve estimation was carried out using the Material Balance Method with the assistance of the MBAL simulator. This method is used to determine the magnitude of reserves in developed field reservoirs by utilizing parameters such as PVT data, tank data, production data, and field historical data. The calculation results indicate that the dynamic estimate obtained using the MBAL software is 18.22 MMSTB, with a percentage difference of 1.6% from the static OOIP calculation, and the drive mechanism operating in Layer X is a combination of water influx and fluid expansion.
Evaluasi Kenyamanan Termal Lingkungan Kerja Menggunakan Sistem Monitoring Suhu dan Kelembaban Berbasis Internet of Things (IoT) Ayu Puspa Wirani; Czidni Sika Azkia; Claudia Shinta Octa Wibowo; Muhammad Faizahassan
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56380

Abstract

Work environment conditions, particularly air temperature and humidity, significantly affect workers’ thermal comfort. Manual monitoring methods often fail to capture thermal fluctuations comprehensively. This study aims to develop an Internet of Things (IoT)-based temperature and humidity monitoring system to evaluate thermal comfort in a workplace environment. The system integrates sensors, a microcontroller, and a communication module to enable real-time monitoring. Collected data were analyzed using the Temperature Humidity Index (THI) to determine comfort categories. Results show that the average temperature ranged from 26.2 to 27.8 °C and relative humidity from 67 to 76%, with THI values between 24.95 and 25.97, indicating moderately comfortable conditions. Higher temperatures were associated with reduced comfort, especially during midday to afternoon periods. The proposed system provides objective, real-time information to support sustainable ergonomics and occupational health and safety based workplace environmental management.
Optimasi Persediaan Produk Pipa dengan Karakter Permintaan Lumpy Intermiten di Industri Manufaktur Harno Suntoko; Muhamad Abdul Jumali
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56390

Abstract

This study develops an optimized inventory control policy for pipe products characterized by intermittent demand in a manufacturing company in Surabaya. Monthly demand data from January to December 2024 were analyzed using the Average Demand Interval (ADI) and the Coefficient of Variation Squared (CV²) to classify demand behavior. The results indicate an ADI of 2.6 and a CV² of 0.82, confirming a lumpy intermittent demand pattern. Based on this classification, inventory parameters were determined for a 15-day lead time. The proposed policy yields a safety stock of 18 units and a reorder point of 25 units at a 95% service level. Implementation of the integrated forecasting–inventory approach reduces annual inventory costs by 21.7% and improves material availability from 89% to 95%. Findings demonstrate that demand classification-based inventory decisions provide measurable operational and economic improvements for project-oriented manufacturing environments.
Desain Bodi Sepeda Sepeda Motor Hybrid Tipe Skuter dengan Metode DFMA (Design for Manufacturing and Assembly) Muhammad Ali Yafi; Andarmadi Jati Abdhi Wasesa
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56392

Abstract

The rapid development of vehicle technology increases the demand for efficient and manufactured hybrid motorcycle designs. This study designed a scooter-type hybrid motorcycle body with DFMA method for production and assembly efficiency. The study begins with the identification of consumer needs through questionnaires, then converted into measurable specifications using QFD. This specification became the main foundation in the development of the body structure. The results showed that DFMA design provides advantages over those of custom body manufacturers. Although the duration of manufacturing in both methods is the same at five days, differences appear at the assembly stage. DFMA-designed bodies are assembled in 50 minutes, while custom products take 1 hour. Although the time difference is not drastic, the results prove that the implementation of DFMA successfully simplifies the component structure and speeds up the assembly workflow. Thus, the study concludes that the DFMA approach is a relevant strategy for designing hybrid vehicle components to reduce operational costs and increase productivity in automotive manufacturing assembly in the future.
Analisis Keandalan dan Strategi Pemeliharaan Mesin Press Menggunakan Pendekatan OEE dan RCM di PT. XYZ Satrio, Fabyan Hijri; Suwarno, Agus; Syahliantina, Annisa
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56395

Abstract

This study was motivated by recurring failures of the EP-28 press machine that potentially reduced system reliability and operational effectiveness despite a relatively high OEE value. The objective was to analyze machine reliability and effectiveness and to develop a maintenance strategy based on Reliability Centered Maintenance (RCM). This quantitative study used downtime data from April to September 2025 as the research sample. Reliability parameters, including MTBF, MTTR, availability, and OEE, were calculated, and FMEA was applied to identify critical components and root causes of failure. The results indicate an MTBF of 5,169.44 minutes, MTTR of 207.22 minutes, availability of 96.15%, and OEE of 87.94%. The most critical components were the motor drive and cylinder. The proposed strategy emphasizes condition-based maintenance and adjustment of time-based maintenance intervals to improve failure risk control and sustain machine performance.
Pengukuran Efisiensi Proses PPDB dengan Pendekatan Work Measurement Vitri Nur Hidayati; Muhamad Abdul Jumali
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56419

Abstract

This study aims to measure the process efficiency of student admission (PPDB) using a work measurement approach by comparing manual and digital systems at a private vocational school in Surabaya. A quantitative–comparative design was applied to ten complete admission process records, evaluating three indicators: process time, administrative error rate, and staff workload. Data were collected through structured time study, error logging, and daily task records during one admission period. The results indicate that the digital system reduces process time by 50–90%, decreases the error rate from 15% to 5%, and improves staff productivity by minimizing overtime. The three indicators were integrated into a composite efficiency index adapted from Overall Equipment Effectiveness (OEE), yielding 18.7% for the manual system and 80.7% for the digital system. These findings confirm that digitalization significantly enhances service process performance and provides a measurable industrial engineering framework for improving administrative efficiency.
Pengaruh Aditif Gliserol Terhadap Stabilitas Thermal Biopolimer Karagenan dari Eucheuma cottonii pada Kondisi Salinitas 5000 ppm dan Suhu 60 °C Ulfah, Rosi; Manik, Nijusiho; Risna, Risna; Hutabarat, Romauli Tiurma
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.55329

Abstract

This study aims to analyze the impact of glycerol additives on the thermal stability of carrageenan biopolymers from Eucheuma cottonii at a salinity of 5000 ppm and a temperature of 60 °C, which serves as a simulation for Enhanced Oil Recovery (EOR) reservoirs. Carrageenan solutions were designed with varying glycerol concentrations, then tested for viscosity at room temperature and after heating using a viscometer. The results showed that the addition of glycerol had a significant effect on viscosity stability. The idea glycerol concentration was able to reduce the decrease in viscosity caused by heating, while too much glycerol actually reduced the effectiveness of the polymer due to its plasticizer effect. This study recommends the use of glycerol at an optimal concentration to improve the thermal stability of carrageenan as an environmentally friendly biopolymer alternative for EOR applications with a salinity level of 5000 ppm.
Analisis Pola Kecacatan dan Kinerja Proses Perakitan Produk Kursi Kuliah Menggunakan Metode Statistical Process Control Aqidawati, Era Febriana; Nugraha, Isna; Khofiyah, Nida An; Istiqomah, Silvi; Putra, Perdana Suteja
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56387

Abstract

The furniture manufacturing industry is required to consistently produce products that meet dimensional and functional specifications to minimize rework, scrap, and resource waste. This study applies Statistical Process Control (SPC) to assess the quality performance of lecture chair production in a furniture company. Pareto analysis identified the seat and table board as the main sources of defects. The -R control chart and p and np charts indicate a stable process, and the Cp value (1.01–2.07) indicates that the process is capable. However, the average defect proportion of 0.46 per lot indicates that the defect rate is still operationally high. The data suggests that most quality problems are caused by general process variations related to people, methods, and machines. Therefore, improvements should focus on making work more consistent and better controlling processes. 
Rancang Bangun Kompor Berbahan Bakar Limbah Oli dengan Sistem Pemantik Elektrik Saputra, Muhamad Veri Dwi; Nurhadi, Nurhadi; Darmo, Adityo Noor Setyo Hadi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.56477

Abstract

Used oil is a hazardous waste that may cause environmental pollution if not properly managed. One alternative utilization is its use as fuel for stoves. This study aims to design and develop a used-oil-fueled stove equipped with an electric ignition system and to investigate the effect of blower speed variations on combustion temperature. The research method consisted of stove fabrication, functional testing, and combustion temperature measurements at various blower speeds. The stove was composed of a frame, combustion chamber, nozzle, oil tank, flow system, centrifugal blower, and electric igniter. The results indicate that the stove operated properly and that the electric igniter effectively accelerated the initial ignition process. An increase in blower speed resulted in higher combustion temperatures, with a maximum temperature of 447.9 °C achieved at the highest blower speed. The developed stove demonstrates potential as an alternative technology for utilizing used oil as fuel in small-scale industrial applications.

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