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Parwadi Moengin
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Jurusan Teknik Industri FTI Universitas Trisakti Gedung Heri Hartanto Lantai 5 JL. Kyai Tapa no 1, Grogol, Jakarta Barat-11440
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INDONESIA
JURNAL TEKNIK INDUSTRI
Published by Universitas Trisakti
ISSN : 14116340     EISSN : 26225131     DOI : https://doi.org/10.25105/jti
Core Subject : Science, Engineering,
Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering
Jurnal Teknik Industri (JTI) mainly focuses on industrial engineering scientific essays in the form of research results, surveys and literature review that are closely related to the Field of Industrial Engineering
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 5 Documents
 1 
Search results for , issue "Vol. 15 No. 2 (2025): July 2025" : 5 Documents clear
The Implementation of Kansei Engineering for the Development of Wheat Flour Packaging Arsinta, Dina Arsinta; Halisa, Siti Nur Halisa; Dewi, Indah Kusuma Dewi; Saputra, Angga Aditya Saputra; Sari, Novi Purnama Sari
JURNAL TEKNIK INDUSTRI Vol. 15 No. 2 (2025): July 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i2.19815

Abstract

Wheat flour packaging currently only uses flexible packaging of plastic materials that are inconvenient, such as being difficult to open and close, and the product's contents becoming messy. Based on this, improvements and developments are needed in wheat flour packaging. This study aims to determine the design concept and packaging elements and make a mockup of wheat flour packaging. The methods used in this study are the Kansei engineering method, Principal Component Analysis (PCA) to get design concepts, QTT1 to get design elements, and fuzzy logic for evaluation of packaging design mockups. The results are 40 packaging samples, 51 Kansei words describing the product, 3PC or 3 concepts consisting of Varied - Exclusive, Innovative - Useable, and Flexible - Reusable. The prioritized concept is PC3, based on the most considerable R-squared value of 0.9465. The seven recommended PC3 design elements consist of Rigid Plastic (X1.6), Jar (X2.2), Unfeatured (X3.1), Lug cap (X4.3), Traditional (X5.4), Direct Print (X6.2), and Illustration (X7.2).
Conceptual Model of Lean Sustainable Supply Chain for The Footwear Industry Surjasa, Dadang Surjasa; Wahyuda, Wahyuda; Marie, Iveline Anne Marie
JURNAL TEKNIK INDUSTRI Vol. 15 No. 2 (2025): July 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i2.20184

Abstract

Companies are adapting to the era of globalization, striving to remain competitive amid global pressures such as climate change and consumers who are increasingly critical of sustainability issues. The footwear industry has several factors that affect the environment, such as short product life cycles, high demand volatility, and many manufacturing process failure risks. Forty different materials used in the footwear manufacturing process, such as textiles, synthetics, leather, EVA, rubber, and TPU, impact sustainability. This study creates a conceptual model for designing a Lean Sustainable Supply Chain and Quality Risk Management model. The concept of lean and sustainability is the basic foundation for the footwear industry to be more competitive. Furthermore, the research uses the DMAIC (Define, Measure, Analyze, Improve, Control) approach from Six Sigma to integrate the lean sustainability method in the supply chain to increase the efficiency of the footwear industry. A case study was conducted on the footwear industry in the city of Serang. The research results are a conceptual model to increase process efficiency and improve quality in the Sustainable Supply Chain network. This Model improves quality by reducing variations, reducing the risk of failure, and creating a sustainable supply chain network by integrating DMAIC and Lean sustainable supply chain in the footwear industry.
Inventory Planning in The Supply Chain Network of Sunflower Agro-Industry Nurhasanah, Nunung Nurhasanah; Putri, Hani Adinda; Noviyanti, Anissa; Riyana, Tharra Azzahra; Aribowo, Budi; Haryadi, Dody; Sudarwati, Wiwik
JURNAL TEKNIK INDUSTRI Vol. 15 No. 2 (2025): July 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i2.21842

Abstract

Sunflower agro-industry can potentially be a raw material for vegetable oil from seeds. In Indonesia, sunflower is a vegetable oil that is produced very limitedly. However, inventory planning is needed in the sunflower agro-industry's supply chain system to maximize this potential. At the same time, the sunflower agro-industry does not yet have a formal production and inventory planning system. Production activities are carried out based on the owner's intuition or orders received by the marketing department. The sunflower agro-industry supply chains consist of upstream, midstream, and downstream, but this research focused on the upstream and midstream segments. The upstream supply chain consists of sunflower seeds. Meanwhile, the midstream supply chain consists of sunflower cooking oil with 250 ml, 500 ml, and 1 liter packaging. This research aims to design the inventory planning by determining the economic order quantity using the single order quantity (SOQ) method, safety stock, number of orders, and reorder points. The results obtained in this study are the economic order, number of safety stock, number of orders, reorder points, and reorder points graph for sunflower agro-industry supply chains in 6 months. The upstream stage exhibits higher inventory requirements compared to the midstream. This may be caused by the need to buffer against higher variability in raw material availability. While the midstream inventory planning focuses on maintaining minimal safety stock due to predictable demand.
Analysis of Load Variation Effects on the Strength Factors of Bicycle Frames Made from CP-Ti G4 (UNS R50700) using SolidWorks Simulation Muhlisin, Iip Muhlisin; Candra, Adi Candra; Feblidiyanti, Niera Feblidiyanti; Sudiman, Sudiman
JURNAL TEKNIK INDUSTRI Vol. 15 No. 2 (2025): July 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i2.21972

Abstract

CP-Ti G4 (UNS R50700), commonly known as Commercially Pure Titanium Grade 4, is widely utilized in applications requiring high strength and exceptional corrosion resistance. This study investigates the impact of varying loads on the safety factor, maximum stress, and maximum displacement of CP-Ti G4 (UNS R50700) through SolidWorks simulations. A series of simulations was conducted to evaluate the material's behavior under different loading conditions. The results reveal a clear positive linear relationship between the applied load and the maximum stress, with the peak stress reaching 121.7 N/mm² at a maximum load of 240 kgf. Additionally, the maximum displacement showed a proportional increase with the applied load, measuring 0.52 mm at the maximum load. A significant reduction in the safety factor was observed as the load increased, with the safety factor calculated to be 4.11 at the maximum load of 240 kgf. This value indicates that the material approaches its threshold for load-bearing capacity. However, if manufacturers in the bicycle industry apply a safety factor of two, the CP-Ti G4 (UNS R50700) material remains twice as robust as the prescribed standard. These findings underscore the importance of considering material behavior under load in engineering design and applications. The results provide essential guidance for engineers and designers to enhance the safety and reliability of structures incorporating this material while highlighting the necessity for further investigations into the material's behavior under diverse environmental and loading conditions.  
Analysis of Mental Workload In Remote Graphic Designers In West Java Using The Nasa-TLX Method Sentosa, Muhammad Aqilla Khalafazka Sentosa; Caesaron, Dino Caesaron; Canny, Susmitha Canny; Daliana, Nadia Daliana
JURNAL TEKNIK INDUSTRI Vol. 15 No. 2 (2025): July 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v15i2.23065

Abstract

The COVID-19 pandemic has accelerated the adoption of remote work systems, especially in creative industries such as graphic design. While remote work offers flexibility, it also increases mental workload due to multitasking, social isolation, and time pressure. This study aims to evaluate the mental workload of remote graphic designers in West Java, Indonesia, using the NASA-Task Load Index (NASA-TLX) approach combined with cognitive ergonomics. The region has seen significant growth in digital creative employment, making it a relevant case for such an assessment. The method involves six dimensions: mental demand, physical demand, temporal demand, performance, effort, and frustration. Data were collected through online questionnaires and processed using weighting and Weighted Workload (WWL) calculations. Three hundred eight respondents from various cities in West Java participated in this study. Mental demand was the highest workload dimension, with the highest scores predominantly observed among respondents aged 23-30 years and those with 2-4 years of work experience. The results identify key contributing factors to mental workload and analyze its impact on productivity and worker well-being. We recommend two cognitive ergonomics-based interventions, such as Task Chunking and Goal Setting Theory, that must be tested and validated for their effectiveness in reducing workload levels. The findings support the development of structured strategies to manage mental workload in remote digital environments, particularly in emerging creative hubs like West Java.

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