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Jurnal Optimasi Sistem Industri
Published by Universitas Andalas
ISSN : 20884842     EISSN : 24428795     DOI : -
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Jurnal Optimasi Sistem Industri (JOSI) is a peer-reviewed journal that is published periodically (April and October) by the Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang.
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Articles 12 Documents
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Search results for , issue "Vol. 17 No. 2 (2018): Published in October 2018" : 12 Documents clear
Analisis Performansi Mesin Pre-Turning dengan Metode Overall Equipment Effectiveness pada PT APCB Nofriani Fajrah; Noviardi Noviardi
Jurnal Optimasi Sistem Industri Vol. 17 No. 2 (2018): Published in October 2018
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (767.273 KB) | DOI: 10.25077/josi.v17.n2.p126-134.2018

Abstract

PT APCB is an electronics company that produces electronic device components called Narrow Shaft. The purpose of this study is to evaluate the maintenance activity in a pre-turning machine by measuring the Overall Equipment Effectiveness (OEE) level. The OEE level is obtained based on the Availability, Performance, and Quality Rate of the pre-turning machine maintenance activities. In addition, the purpose of this study is to identify the causes of the ineffectiveness of pre-turning machine maintenance activities and provide improvement suggestions for maintenance effectiveness at PT APCB. Based on the results of the calculation of the OEE value it is known that the PT APCB company still has not reached the world standard of 85%. This shows that the company still has to improve maintenance activities in the pre-turning process. The calculation of OEE value shows that the lowest OEE level in February 2016 was 48.31%, while the highest OEE level in September 2016 was 83.23%. The low performance of the pre-turning machine process was due to the ineffectiveness of maintenance activities which were caused by 14 factors. The primary causal factor with the highest value is the bar feeder problem with the highest request frequency value of 250.
Pengaruh Shift Kerja, Terapi Musik, dan Motivasi terhadap Beban Kerja Karyawan PT. TOA-GALVA Industries Widiyarini Widiyarini
Jurnal Optimasi Sistem Industri Vol. 17 No. 2 (2018): Published in October 2018
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (698.638 KB) | DOI: 10.25077/josi.v17.n2.p198-207.2018

Abstract

TOA Corporation has a factory in Indonesia with name PT TOA Galva Industries producing technology of communication device. This research aims to make improvement towards the workload of the employees in the production of injection plastic part. Problems that arise due to the mental workload of employees affect concentration, performance, achievements, and motivation at work, quality of sleep at home, health, and work accident. This caused by the target measurement and checking of the products of the company are set, the deadline the measurement and checking of products, Division of working time/shift work, irregular work environment factors (noise, temperature, lighting, etc.), and the personal problems brought on when working. Using NASA-TLX (Task Load Index) can be measured the mental workload employees through the phase weighting and rating stage. Early research result obtained values of WWL (weighted workload) of morning shift employees is 76,78, afternoon shift 77,97 and night shift 80,0 results experienced high mental workload. Proposed improvements were made with improved shift work, the application of music therapy and motivation. The evaluation result of the implementation of the improvement suggests the value of WWL (weighted workload) of morning shift employee is 53,34, afternoon shift 54,43, night shift 55,45 result decrease mental workload.

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