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INDONESIA
Metris: Jurnal Sains dan Teknologi
Published by Universitas Katolik Indonesia Atma Jaya
ISSN : 14113287     EISSN : 28084810     DOI : https://doi.org/10.25170/metris
Core Subject : Science, Education, Engineering,
Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering
Jurnal Metris is published 2 (twice) a year. Since Volume 14 in 2013, Jurnal Metris has been published in June and December. The contents of the journal discuss research results in the field of industrial engineering. Jurnal Metris provides a place of publishing for sharing the new findings from research results of researchers, academics, scientists, and practitioners who related to the scope (but not limited) of: 1) Smart Production; 2) Lean Manufacturing; 3) Product Design & Development; 4) Human Factors Engineering; 5) Management Science and Operation Research; 6) Logistics and Supply Chain Management; 7) Decision Science in Business and Management; 8) Quality Engineering.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 8 Documents
 1 
Search results for , issue "Vol. 20 No. 02 (2019): 2019" : 8 Documents clear
Estimating Spillover Effect and Leverage Effect Using EGARCH-ARMA Approach in Mongolian Stock Exchange Cheng-Wen Lee; Dolgion Gankhuyag
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2413

Abstract

This study checked the spillover effect and leverage effect from 2 January 2012 to 27 December 2017 in the Mongolian Stock Index MSE20 time frame. We found spillover effect on individual stock prices from the market index, but our analysis did not support individual stock has a spillover effect on stock index. In terms of volatility, only market and stock volatility have a bilateral spillover effect. Stock index in particular has a much stronger influence on stock price. Our research did not support previous studies for the leverage effect of the EGARCH-ARMA method, suggesting negative asymmetric influence of volatility such that two financial instruments overlap in their value.
Kajian pendahuluan penentuan tingkat utilitas pekerja proses filling stasiun kerja cup filling di perusahaan air minum dalam kemasan Yanto Yanto; Marsellinus Bachtiar Wahju
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2414

Abstract

This study aims to determine the utilization of the worker’s time in the filling process, packaging department, a cup and bottled water company. Considering the aim of the study and the task characteristics, work sampling technique was used. Two production lines and two work stations were selected for time studyanalysis. In each work station, two workers with different tasks were involved for the time analysis. A number 586 and 1710 observations from Worker 1 in Line 1 and Line 2, and 586 and 1440 observations from Worker 2 in Line 1 and Line 2 were taken and observed. Results showed that the utilization of worker’s time are 31.7% and 33.6 % of Worker 1 in Line 1 and Line 2, and 25.6% and 21.0% of Worker 2 in Line 1 and Line 2. Results of significant testing showed that no significant differences were found for workers’ time utilization between Worker 1 in Line 1 and Worker 1 in Line 2 (Z=-0.82, p=0.41) and between Worker 2 in Line 1 and Worker 2 in Line 2 (Z=2.17, p=0.03) for α=0.01. Regarding findings in this study, it is reasonable for the management to consider work station which one worker per machine instead of two workers per one machine.
Analisis Postur Kerja Operator Mesin Bubut di PT. X Rohmana Rohmana; Alisha Setiani
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2421

Abstract

PT. X is one of the aerospace companies in Asia that has core competencies in the design and development of airplanes. The manufacture of aircraft certainly requires aircraft aids made by Machining tools. In this section there are many machine operators, of course, require interaction between humans and machines. However, there are some operators that still use conventional lathes. The research is analyzing the work posture of conventional lathe operators using the RULA (Rapid Upper Limb Assessment) method. The initial observation was to disseminate the Nordic Body Map questionnaire to 2 lathe operators with the same task, to find out complaints that occurred during or finished working. The results of calculations using the Ergo Fellow software and manual calculations produce the same score. Assessment of work posture on the lathe operator PT. Indonesian Aerospace obtained a RULA score of 6, Action Level 3, indicating that it has a moderate level of risk and action is needed in the near future.
Usulan Perbaikan Tata Letak dengan Menggunakan Metode Fraktal (Studi Kasus di Perusahaan Mebel X) Fia Anggraini; Theresia Sunarni
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2422

Abstract

Production is the main thing in a manufacturing industry. Production activity would work well if the flow pattern of the material in the production floor smoothly. Better transfer of material will speed up the completion of a product. Intense competition in the manufacturing industry forced the industry to make the material flow to be short. This can be done by resetting the engine layout in such a way. Industry Furniture X as one of the furniture industry in the city of Palembang that manufacture products based on the make to order. The product has so many variations of high material flow and higher material handling costs. The distance between the machines far enough too play a role in the cost of material handling.The layout of the fractal method can produce a short distance between the machine and more flexible to address the varying conditions of the product. This method will form fractals that have the same ability to make the production process, in which fractal is formed of two pieces, each of which consists of 9 pieces of machinery . In the proposed layout is formed , the machines were experiencing engine displacement is 1A , 1B , 1C , 2B , 3B , 4 , 5 , 6A , 6B , 7 ,8A, 8B, 10A, and 10B. This method was successful in reducing the material displacement distance during research periode of 58,125 meter or 6.251% and the cost of material movement during research periode Rp 27.971,9375 and during one year Rp 559.438,75 or 3,066 %.
Peningkatan Kualitas Produk GRC (Glassfibre Reinforced Cement) Roster pada UD. XYZ Malang Menggunakan Metode Taguchi Muhammad Sigit Prabowo; Yurida Ekawati
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2423

Abstract

The growth of manufacturing industries has caused the competition among companies becomes tighter. Therefore, companies need to make an effort to survive. One of the things that must be considered is the quality of products produced by the company. This research is conducted to design a refinement or quality improvement for GRC roster products in UD. XYZ Malang. The quality improvement is done with Taguchi method experimental design in order to get optimal combination for the materials. As for the orthogonal array notation used is L9(34) with gypsum (A), sand (B), cement (C), and water (D) as the controlling factors. The data processing is carried out using ANOVA towards the average value and SNR with larger the better classification. The ANOVA calculation is done in order to find out the significantly influential factors in product durability. The test done to find out the product durability is a pressure test. According to the result of data processing, the ratio of optimal mixture composition gypsum:sand: cement: wateris 2:2:2:1 (A3, B2, C3, dan D2). A confirmation experiment is conducted to the optimal composition. The analysis of the material cost for each experiment is done to justify the effectiveness of the optimal designed product chosen. Based on the pressure durability and cost calculation, the mean of result is 13,256 kg/cm2 for the pressure durability which indicates the quality is better than the exsisting product and able to save costs of Rp 1.630,927 in order to produce one GRC Roster.
Pemanfaatan Minyak Jelantah Jadi Sabun Padat Jeliana Lubis; Meylinda Mulyati
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2424

Abstract

Pak Umar's Warung is a warung which produces used cooking oil up to 2.4 liters per day or 72 liters / month. Used cooking oil is sold to middlemen with a price per liter of Rp. 6,000 or Rp. 432,000.00 / month. Used cooking oil is used again for the frying process and this is dangerous. In this study, used cooking oil wasused to make solid soap for washing dishes and cloth. Before being made as a soap, used cooking oil must be cleaned from the dirt and purified. The process of deposition of used cooking oil uses rice flour absorbent. In the manufacturingof soap for washing, this required an investment of Rp 502,000. The production cost is Rp 1,129,152 for used cooking oil 57.6 liters obtained by HPP Rp 2,864.06, BEF Rp. 450,070.32 or 91 units and PP 0.28 days or 1 day and Profit of Rp1,740,858 / month. This means that used cooking oil is more profitable if it is turned into soap financially.
Identifikasi Penanganan Kembali Produk Elektronik Rumah Tangga Leni Herdiani; R. Ismet Rohimat; Nurwathi Nurwathi; Ahmad Munandar
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2425

Abstract

Reverse logistics is an item management activity that is no longer used by consumers or goods in the form of return from partners in the supply chain to be returned to the origin, because the product is unfunctional properly or the function of the item is not needed. Home appliances products within a certain period of time, these products must be replaced because they cannot technically function properly. The process of producing, using, and disposing of electronic products has an impact on the environment of the earth and the universe. If electronic waste is left without a policy to process it, there will be a buildup of electronic waste everywhere and will burden the environment. While this electronic product waste still contains economic value that can still be utilized. Therefore it is necessary to identify electronic waste handling activities, namely those that have material flow characteristics from the customer to the producer (reverse logistics), so as to provide added value.
Pengukuran Produktivitas dengan Metode Overal Equipment Effectiveness dan OMAX di Lini Produksi TMM1 dan TMM2 PT. MTG Riana Magdalena; Delima Permata Negara
Jurnal METRIS Vol. 20 No. 02 (2019): 2019
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v20i2.2426

Abstract

PT MTG is a company engaged in the gears and mechanical part component. In the current condition, PT MTG has an effort to improve the company's work efficiency through with an efficiency target of 80%. However, the current problem is that the company does not yet have the right method for evaluating and detecting factors that inhibit increased productivity on the "TMM 1" and "TMM 2" production lines. To find out the right method for PT MTG, two productivity measurement methods are used in total with the Overall Equipment Effectiveness (OEE) method and partially with the Objective Matrix (OMAX) method. In measuring productivity with the OEE method, it can be seen six big losses that occur in each machine on each production line. Whereas in the OMAX method, measurement of productivity is used 4 criteria to determine the company's productivity index, namely (1) Minimization of Defective Products; (2) Optimizing Production Capacity; (3) Efficient Use of Labor; (4) Minimize Absence of Work. Based on the results of data processing and analysis, the average overall OEE value for the "TMM 1" and "TMM 2" production lines is 0.32% and 0.321%. The OEE value still does not meet the JIPM standard of 85%. Whereas in the OMAX results, the average productivity index value of the two production lines is 140.80 per month from the optimal value of 1000. The factor influencing the two methods for not achieving the target is the amount of production per month that differs more than 55% of the production plan. Whereas in OEE, excess production is not considered a loss. So, for the current conditions the right method of measuring productivity for PT MTG is the OMAX Method.

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