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Journal of Industrial Engineering
  • journalofIndustrialEngineerin
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Published by President University
ISSN : 25033670     EISSN : 25274139     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
JIE: Journal of Industrial Engineering (Online ISSN: 2527-4139; Printed ISSN 2503-3670) is a scientific journal in the field of industrial engineering that publishes scientific writings on pure and applied research in industrial system, including (but not limited to): Production system, Inventory management, Quality control & management, Work system analysis, Product design, Optimation, and Productivity.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 6 Documents
 1 
Search results for , issue "Vol 5, No 1 (2020)" : 6 Documents clear
Perencanaan Persediaan Suku Cadang Dengan Metode Economic Order Quantity (EOQ) Single Order Multiple Product Di PT. ABCD Gusti Rahmatullah; Johan K. Runtuk
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1271

Abstract

Spare parts are an important factor in the continuity of the production process for a manufacturing company. Its existence affects the company's operational processes. Besides, the inventory cost requires a large enough capital from the company's total capital. PT. ABCD currently has not applied the ABC method to determine the category of each part. This research was conducted by analyzing nine critical parts obtained from the ABC analysis results for the fast-moving category. The parts analyzed were focused on category A, with a fast-moving part value of 80.71% of the total existing parts. Based on Period Order Quantity (POQ) method, it was found that the total inventory cost applied by the company for the nine types of critical parts was IDR 37,054,735. In contrast, using the Economic Order Quantity (EOQ) method single order multiple products resulted in a total inventory cost of IDR 18 841,277, -. This result is better than the method established by the company, with savings of Rp. 18,213,458,
An Assessment of the Expertise Required of Workers, in the Context of Their Capacity to Cope With Libya’s Fourth Industrial Revolution E Mohamad; H.T Saeid Balrwein; M.A A Rahman; N.A. A., Nor Azlan; M.S Abd Rahman; A Saptari
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1267

Abstract

The advent, of Libya‘s fourth industrial revolution (4IR), rendered the structure of the country‘s smart factories exceedingly intricate, vibrant and variable. Several investigators, in this domain, believe that the most significant factors, influencing the outcome of Libya‘s 4IR, are the skills gap and manpower development issues. In order for the 4IR to progress, it is crucial that more sophisticated capabilities be developed. This undertaking should begin with an assessment of the existing expertise of the stakeholders themselves (self-evaluation). The purpose of this exercise, is to identify the deficiency in skills, with regards to the skill sets, that are essential for the 4IR. This calls an evaluation of the stakeholders‘ degree of comprehension regarding the 4IR, and their willingness to involve themselves in this exercise. Stakeholders both within and beyond Libya‘s manufacturing division, should be taken into account for this evaluation. The main objective, of this study, is to ascertain the impact of 4IR, on the aspects of human labour and work organization. To achieve this objective, we opted for the quantitative method. A questionnaire was formulated to scrutinize every single detail in the manpower‘s supply chain, stretching from Libya‘s learning system to its workforce.
Penerapan Non Delay Schedule Dengan Mempertimbangkan Machine Availability Constraint untuk Meminimasi Makespan pada PT Autotech Perkasa Mandiri, Cikarang, Jawa Barat Anastasia Lidya Maukar; Ineu Widaningsih Sosodoro; Stefanus Setiady
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1272

Abstract

One of the efforts to increase production efficiency is by implementing the right scheduling. PT Autotech Perkasa Mandiri is the job shop production system. Currently implements a heuristic method with a priority dispatch rule, namely the Earliest Due Date (EDD). The EDD rule has the highest priority for the job with the earliest due date to be processed on a machine. This study is to purpose a more optimal scheduling by comparing the makespan of the current schedule with the proposed one. Previous research is the non delay schedule without considering machine availability constraints. In this study, machine availability constraints are taken into account, thus, they are more realistic when applied to the actual problem. The algorithm used is a non delay schedule with working time window (WT-NSA). Machine availability constraints that are taken into account are lunch-break hours (12: 00-13: 00) and shift changes (17: 00-08: 00). From the analysis, it is obtained that makespan from non delay schedule is 23 hours 6 minutes, while makespan from WT-NSA is 26 hours 6 minutes, and makespan from EDD schedule is 38 hours 54 minutes. Non-delay schedule has the smallest makespan, which is 23 hours 6 minutes, but WT-NSA is more realistic when applied to the real problem.
Information System Development Using Microsoft Visual Studio to Speed Up Approved Sample Distribution Process Carolline Audrel Vellicia Wijaya; Hery Hamdi Azwir
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1268

Abstract

An approved sample is a sample that has been tested in a laboratory and approved by experts who understand it to be a sample in the production process. In the current process, all sample identities are written manually and repeatedly inputted by several people. This manual process is a major bottleneck in producing approved samples so that it can cause delays in the production process. This manual process causes employees to have to work overtime 2-3 hours every day to complete the approved sample which must be issued on the same day. To overcome this problem, an information system was developed to eliminate bottlenecks in this process. Design and development of software use the SDLC method which includes information gathering to find out business processes, DFD analysis, design user interface, ERD and database, and continued with development using Visual Studio, Microsoft Access, Microsoft Excel, and VBA as well as Microsoft Outlook as supporting programs. After the software is implemented it can be seen that the bottlenecks that have occurred so far can be removed and the work completed faster, no additional overtime is required and can even be one day sooner. Besides all the data is stored more neatly and facilitates the process of finding data.
Pengurangan Yellow Reject pada Proses Hexavalent Chrome Plating on Plastic dengan Menggunakan Pendekatan DMAIC M. Yani Syafei; Sophia Louren
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1269

Abstract

Product quality is one of the important aspects for the company because it involves the existence, performance, productivity and profit of the company. Quality is obtained by having quality control to minimize products and produce products according to specifications. PT. Mitra Part Perkasa as a company that provides a service of chrome plating on plastics. The company is having a new quality issue of new reject that happened on hexavalent chrome process, namely yellow reject during September and October 2019 which had never happened before. The percentage of yellow rejects that happened was more than company tolerant limits of 1.5%. To overcome this problem, using DMAIC is applied to reduce the number of rejects. The first step of DMAIC is the goal of the problem and agreed upon research objectives. The second step is to measure current quality with a control chart and decide yellow rejects as the main focus of research using pareto diagram. The third step is to analyze the yellow root causes using why why analysis and fishbone diagram. The fourth step is improvement based on each factor, man, material, method, and machine. The last step is control, this step will show the results of the improvements indicated by before the repairs were made. Based on the results, the percentage of yellow reject decreased from 2.77% to 0.55% and it can be concluded that DMAIC has succeeded in reducing yellow rejects.
Study of Rainwater Harvesting Implementation Michelle N Gunawan Gunawan; Yunita Ismail Ismail
JIE Scientific Journal on Research and Application of Industrial System Vol 5, No 1 (2020)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v5i1.1270

Abstract

In recent years, because of the changes in the environment and an increase in the global population, there is an increase in the threat of water scarcity. Therefore, there a need for developing water supply systems that is sustainable and resilient. Rainwater harvesting (RWH) systems are a decentralized sustainable water supply system that has the potential to be implemented. Industries, as one of the sectors that will be affected, could potentially gain many benefits through the implementation of RWH systems. This paper is a literature review that has the objective of explaining the general concept of RWH systems and understanding several aspects that go into planning a rainwater harvesting system. RWH system is an old concept that has benefits and disadvantages. In planning an RWH system, there are many considerations and calculations. The catchment area, water storage, treatment train needs to be carefully chosen. In some cases of implementation, it has been observed that RWH systems have resulted in water and financial savings. There is much potential for further study of the implementation of RWH systems in industrial settings.

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