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Jurnal Teknik Industri : Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
Published by Universitas Islam Negeri Sultan Syarif Kasim Riau
ISSN : 2460898X     EISSN : 27146235     DOI : http://dx.doi.org/10.24014/jti
Core Subject : Science, Social, Engineering,
Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering
(ISSN : 2460-898X) JTI merupakan jurnal akademik yang dipublikasikan 2 kali setahun, meliputi bulan Juni dan Desember. Tujuan jurnal ini menyediakan tulisan yang memiliki yang fokus pada bidang Teknik Industri. lebih lanjut jurnal ini dipulikasikan oleh Jurusan Teknik Industri Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan syarif Kasim Riau. Tulisan yang diterima merupakan hasil originalitas dan memberikan kontribusi yang belum pernah dipublikasikan sebelumnya.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 373 Documents
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New Nitrocellulose-Diethylene Glycol Dinitrate (NC-WITH) Propellant to Support the Development of Munition Independence in Indonesia (Case Study: PT. Pindad) Nugroho, Vicky Adhityo; Deksino, George Royke; Ruyat, Yayat; Asvial, Muhamad; Gultom, Rudi AG
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.24751

Abstract

PT Pindad, a prominent defense industry leader in Indonesia, is renowned for its high-quality, small-caliber munitions, contributing significantly to the achievements of the Indonesian National Army both nationally and internationally. In the face of globalization and the imperative for robust national defense capabilities, self-sufficiency in munitions production and development is crucial. PT Pindad has been at the forefront of munitions innovation, particularly in addressing challenges related to the supply of propellant materials. This study uses a Feasibility Study approach to explore the innovative use of waste paper as a raw material in producing nitrocellulose (NC) and nitroglycerine (NG). Given NG's sensitivity and volatility, diethylene glycol dinitrate (DEGDN) is proposed as an alternative component in developing an efficient and reliable NC-DEGDN propellant blend. This research supports the strategic goal of advancing Indonesia's munitions independence. Keywords: Defense Industry, Propellant Innovation, Munitions Development, Sustainable Materials
Analyzing Cognitive Ergonomics and Key Determinants of Mental Workload in PDPT Operators at Universities Hakim, Hakim; A.P., Rezki Amelia Aminuddin
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.23407

Abstract

The study commenced by quantitatively measuring the mental workload of Higher Education Operators (PDPT) through the NASA Task Load Index (NASA TLX). Results indicated an even distribution of mental workload between moderate and heavy levels, each comprising 50%. NASA TLX, a standard tool for assessing mental workload, offered insights into the operators' stress levels during task execution. Subsequently, Structural Equation Modeling (SEM) was employed to scrutinize factors impacting mental workload. Independent variables, encompassing completeness of data (CD), Feeder Dikti's time demands (FDTD), Internet network conditions (INC), task complexity (TC), and working period (WP), were tested against the dependent variable, the level of mental workload (LMW). This research provides a holistic understanding of factors contributing to PDPT operators' mental workload and how these factors influence the previously measured workload distribution with NASA TLX. This comprehensive insight adds context to the findings, forming a robust foundation for crafting more targeted management strategies to mitigate and manage mental workload in PDPT environments. Keywords: Mental Workload, NASA TLX, Work Period, PDPT Operator
Implementation of Total Productive Maintenance (TPM) Using Overall Equipment Effectiveness (OEE) Method on HPLC Instruments in Laboratory Jannahti, Adik Bela; Lasmana, Cecep; Fauzi, Muchammad
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.26222

Abstract

The study aimed to assess the efficacy of HPLC instruments in a pharmaceutical laboratory at PT. XYZ by evaluating three OEE matrices (availability, performance, and quality) and identifying the losses leading to low OEE scores affecting the chromatography process performance. The method used is quantitative to calculate the availability rate, performance rate, and quality ratio based on the breakdown data and quantity of product data, followed by calculating the OEE score and comparing the obtained OEE and the world-class standard OEE score. The results demonstrate that the average availability rate in 2022 is 90,73%, the performance rate is 90,45%, and the quality ratio is 95,55%, resulting in the OEE score of 78,42%, which does not meet the world-class OEE standards score. To identify the problems causing the low OEE score, a qualitative analysis is performed using Current Condition Analysis and Fish Bone Diagram. Research indicates that five factors contribute to low OEE scores for HPLC instruments in PT. XYZ, including Method, Man, Machine, Material, and Environment. For each factor, the proposed improvement is described to increase the OEE score, including establishing the maintenance procedure, a training program for laboratory personnel, inventory management for spare parts, and an operating procedure. Keywords: Total Productive Maintenance, Overall Equipment Effectiveness, HPLC, Fish Bone Diagram 
Increasing Customer Satisfaction with Quality Function Deployment Methodology Based on Service Quality Analysis Vazry, Johan; Hidayat, Hidayat; Negoro, Pandu Yanuar
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.29625

Abstract

One way to be superior to competing companies in the service field, especially customer satisfaction, is by analyzing service quality. Satisfied customers can increase their loyalty and have more trust in a company, so they can continue using its services. PT. XYZ is a company that offers logistics accommodation services; this research took the period from January 2023 to February 2024. It is known that the number of fluctuating customers tends to decrease. Apart from that, there were also several complaints submitted by customers, including products arriving late, inability to fulfill customer requests, delays in the delivery process, and top payments not being evenly distributed. This research used the Servqual and Quality Function Deployment (QFD) methodology. The Servqual method was carried out by distributing questionnaires to 95 respondents to identify the biggest gaps based on the dimensions of tangibles, reliability, assurance, empathy, and responsiveness, which was then carried out with a QFD analysis to determine the priority of corrective action. based on technical response. The research results show that the reliability dimension has the largest gap value, 0.21. A QFD analysis is carried out objectively to determine quality improvement based on technical responses obtained from customers' voices. In the QFD analysis, it is known that the priority corrective actions that must be taken are carrying out correct transaction recording, faster employee processes, increasing employee skills, increasing security, optimizing the system, and increasing availability. Keywords: Customer Expectations, Customers Satisfaction, House of Risk, Service Quality, Quality Function Deployment 
The Effect of Fly Ash Substitution in 3 Brands of PCC Cement on The Compressive Strength f Concrete Aliansyah, Zulfikar Jati; Firdaus, Firdaus
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.25829

Abstract

Fly ash, a by-product of coal combustion in thermal power plants is utilized as a substitute for Portland Cement in concrete due to its pozzolanic properties. Mainly, class F fly ash—produced from the combustion of anthracite coal at approximately 1560˚C (according to SK SNI S15-1990-F)—contains less than 10% lime (CaO) and exhibits significant pozzolanic or filler properties. This research investigates the impact of varying fly ash proportions (0%, 10%, 15%, and 20%) on the compressive strength of concrete. The experimental setup included 108 cylindrical test specimens (10 cm in diameter and 20 cm in height), representing different brands of cement and fly ash mixtures, tested at 7, 14, and 28 days. The study was conducted at PT. Waskita Beton Precast Plant in Sadang, Purwakarta, West Java, targeting a concrete compressive strength of 40 MPa. Results indicate that at 0% fly ash, the compressive strength using Garuda Cement reached 76.66 MPa after 28 days. However, this strength decreased with increasing fly ash content, measuring 72.35 MPa, 69.07 MPa, and 68.13 MPa for 10%, 15%, and 20% fly ash, respectively. These findings highlight the influence of fly ash content on the structural integrity of concrete, suggesting a potential trade-off between sustainability and mechanical performance. Keyword:  Fly Ash, Compressive Strength of Concrete, Portland Cement
Analysis of Chlorine Inventory Using the Economic Order Quantity (EOQ) Method (Case Study of PT. Toya Indo Manunggal) Putri, Nirmala; Momon, Ade
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.24733

Abstract

The purpose of this study was to determine the frequency of ordering chlorine for one year at PT. Toya Indo Manunggal using the Economic Order Quantity (EOQ) method, to determine the cost of chlorine supplies of PT. Toya Indo Manunggal with the Economic Order Quantity (EOQ) method, as well as to analyze the results of the application of the Economic Order Quantity (EOQ) method. The research method used in this study is the economic order quantity (EOQ) model. Data collection techniques are used to collect data according to research procedures so that the required data is obtained. The data used is secondary data in the form of literature studies, namely conducting literature research by reading and researching materials or theories related to chlorine supplies, and Economic Order Quantity (EOQ). The results showed that the frequency of ordering chlorine for one year at PT. Toya Indo Manunggal uses the Economic Order Quantity (EOQ) method of 112 chlorine cylinders per order with a total of 13 orders in one year, the distance between times reaches 20 days per order, and the company must provide security storage or Safety Stock of 142 chlorine cylinders with goods reorder activities when the inventory of the goods is 178 pcs. From data analysis, the total cost of inventory using the EOQ method is Rp. 940,802,000, while the total cost of inventory with orders above and below EOQ is Rp. 1,034,137,777 and Rp. 985,012,631, respectively. Every order for goods above or below the EOQ order will affect the cost of inventory, where the cost of inventory that occurs is greater than the cost of EOQ inventory. With the Economic Order Quantity (EOQ) method, companies can find out how many orders are economical for each inventory item and find out the frequency of orders during a period and when orders are made again, so that the demand for goods can be fulfilled optimally.
Penerapan Metode PDCA dan Paired T-Test Untuk Meningkatkan Kepuasan Karyawan Pada CV Delimas Purba, Arini Anestesia; Imron Zamzani, Muhammad; Alfian, Ahmad
JTI: Jurnal Teknik Industri Vol 9, No 2 (2023): DESEMBER 2023
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v9i2.25004

Abstract

CV Delimas adalah salah satu perusahaan pada bidang percetakan tertua di kota Balikpapan yang berdiri sekitar tahun 1970 yang terletak di Manggar, Balikpapan Timur. Pada proses produksi box packaging di CV Delimas dilakukan pada area kerja yang kurang mendukung kepuasan karyawan nya saat bekerja karena penempatan peralatan dan material berada di tempat yang tidak pada tempat dan fungsinya, sehingga menyebabkan lantai produksi menjadi kotor. Pendekatan dalam manajemen industri yang dapat digunakan untuk meningkatkan kualitas dan efisiensi proses terhadap permasalahan di atas yaitu PDCA (Plan, Do, Check, Action) dan 5S (Seiri, Seiton, Seiso, Seiketsu, Shitsuke). Penelitian ini bertujuan untuk melakukan analisis dan penerapan metode PDCA serta 5S untuk membentuk standarisasi dan menjaga kebersihan lingkungan kerja, sehingga mampu meningkatkan kepuasan karyawan dalam bekerja. Hasil yang diperoleh pada kuesioner setelah penerapan mendapatkan nilai kepuasan karyawan hingga 67% dan nilai checklist 5S mencapai 75% dengan skala baik. Pada pengujian hipotesis paired t-test mendapatkan t value > t tabel yakni sebesar 14,65 > 2,26. Berarti dalam penelitian terdapat perbedaan dan pengaruh positif terhadap kepuasan karyawan. Rekomendasi yang diberikan dengan membuat display, jadwal piket kebersihan dan jadwal pemeriksaan berkala diharapkan mampu untuk meningkatkan kepuasan karyawan.
Design of Temperature Monitoring Equipment for Furnaces Burning Charcoal Production Setiawan, Arif; Suryapranatha, Dicky; Syifau, Yuni
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.29839

Abstract

Charcoal is generally a porous solid material made from carbon with a high degree of aromatization, the result of thermal decomposition of plant waste biomass in conditions without oxygen or with limited oxygen. This traditional method of making charcoal produces charcoal quality that is not optimal and requires constant supervision during the production process. Traditional furnaces or kitchens use soil as an insulator to retain heat during the carbonization process and prevent air from entering the furnace. Optimal combustion can be achieved if several factors in the operation of the furnace are taken into account, including temperature, duration of burning or carbonization, the process of reducing or closing the door, the process of closing the chimney, and the top window. This research aims to design a prototype temperature monitoring system for charcoal burning stoves based on the Arduino Uno microcontroller. This tool will help the operator to know the combustion temperature and completion time of the combustion process, so that the charcoal burning stove is more modern and efficient and can increase the productivity of charcoal making. This system is able to monitor temperatures in real-time and provide important information in handling production time problems. succeeded in increasing production time efficiency. Before using this monitoring tool, operators assumed the charcoal production process time was 12 days. However, after using this monitoring tool, it was discovered that the charcoal production process only took 10 to 11 days. In this way, there is a time saving of 1 to 2 days.Keywords: Charcoal, Burning Furnace, Production Time, Efficiency
Analysis Of Customer Satisfaction With Packaged Drinking Water Products Using Service Quality (SERVQUAL) And Importance Performance Analysis (IPA) Methods Maulana, Muhammad Helmi; Nuruddin, Moch.
JTI: Jurnal Teknik Industri Vol 10, No 1 (2024): JUNI 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i1.29570

Abstract

PT. XYZ is a bottled mineral water manufacturer in Gresik, striving to deliver customer satisfaction and stay competitive. This study aims to quantify consumer satisfaction with PT. XYZ's product quality. We collected data through a questionnaire and analyzed it using the Servqual method and Importance Performance Analysis (IPA). The questionnaire included nine quality attributes, categorized into five dimensions. IPA was utilized to prioritize service quality attributes. The Servqual method revealed a negative gap, indicating suboptimal service. The Cartesian IPA diagram highlighted two critical areas for improvement: enhancing staff interaction during service and improving personnel demeanor, specifically their politeness, and friendliness. These improvements are vital as they align with consumer expectations and are essential for enhancing overall service quality at PT. XYZ. Keywords: Service Quality, Importance Performance Analysis (IPA), SERVQUAL
Designing Vendor Performance Criteria Using Analytic Hierarchy Process Method On The Engineering Procurement Construction Project Company Nursyahbani, Annisa; Aisha, Atya Nur; Permatasari, Intan
JTI: Jurnal Teknik Industri Vol 10, No 2 (2024): December 2024
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/jti.v10i2.32395

Abstract

Indonesia's electrical power supply is insufficient to meet the population's demands. Therefore, the rise of Renewable Energy (RE) is anticipated to fulfill the needs. One of Indonesia's renewable energy industries implementing project management in its operations encountered delays in its engineering procurement construction project due to material delay, and the project's quality failed to meet requirements due to an incompetent vendor. Furthermore, the existing key performance indicators were insufficiently comprehensive, lacked criteria related to business permits, and had unclear Critical Success Factors (CSF). The primary goal was to develop narrowly focused criteria to evaluate vendor construction performance through Multi-Criteria Decision-Making (MCDM). The Analytical Hierarchy Process (AHP) method is one of the techniques utilized in MCDM to determine the ranking of alternatives based on selection criteria that have hierarchical interdependence relationships. This study produced six main criteria based on literature studies, including management capability, financial capability, quality, delivery time, customer services, and safety. The most important sub-criteria from the results of this study are speed and accuracy of delivery time with a weight of 23,90%, where the factor of completing the project activity on time is a key factor for project success. For further handling, this criterion is considered as CSF for vendor selection at EPC projects, especially in the RE industry. Keywords: Analytic Hierarchy Process (AHP), Key Performance Indicator (KPI), Project Management, Procurement Management, Vendor

Page 31 of 38 | Total Record : 373

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