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Kota surabaya,
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INDONESIA
Jurnal Teknik Industri
Published by Universitas Kristen Petra Surabaya
ISSN : 14112485     EISSN : 20877439     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Jurnal Teknik Industri aims to: Promote a comprehensive approach to the application of industrial engineering in industries as well as incorporating viewpoints of different disciplines in industrial engineering. Strengthen academic exchange with other institutions. Encourage scientist, practicing engineers, and others to conduct research and other similar activities.
Arjuna Subject : -
Articles 4 Documents
 1 
Search results for , issue "Vol. 26 No. 1 (2024): June (Preprint)" : 4 Documents clear
An Approach to Combine House of Quality and Finite Element Method in Redesigning of Rotary Shaft Multi-Spindle Wheel Nutrunner Machine Ayu Anggraeni Sibarani; Sugeng Waluyo; Muhammad Baharuddin Wahid Tosalili; Hilda Lutfiana
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 26 No. 1 (2024): June (Preprint)
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

An engineering-to-order company has developed multi-spindle wheel nutrunner machines for automotive wheel mounting. The rotating shaft component that supports that machine has experienced compressive and twisting stress during operation, resulting in damage not only to the shaft but also some parts attached to the wheel. This study uses the house of quality (HOQ) and finite element method (FEM) approaches to redesign the rotary shaft to meet quality standards for its engineers, as customers, in a systematic way by using qualitative data from interviews, documents, and questionnaires provided by five rotary shaft engineering experts. Based on the importance levels of technical specifications obtained from the HOQ results, two rotary shaft redesign models for the redesigned models 1 and 2 obtain the maximum von Mises stress from the virtual testing using FEM analysis of 277.5 MPa and 111.8 MPa, respectively, which are below the company standard maximum yield strength of 470 MPa. Hence, using the company's minimum safety factor, the redesigned model 2 is chosen for the improved version of rotary shaft design
The Effect of Ramadan Intermittent Fasting on Cognitive Work Performance:: A Natural Experiment Approach Ridwan Aji Budi Prasetyo; Ratri Nurwanti; Muhammad Afif Alhad
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 26 No. 1 (2024): June (Preprint)
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

This study aims to investigate the effect of Ramadan intermittent fasting on cognitive work performance using a more natural approach. To achieve the objective of this study, a natural experimental approach was employed by incorporating a pretest-posttest control group design. A forward-type Digit Span Test (DST) was utilized as the measure of cognitive work performance and was administered to participants twice, before and during Ramadan, with a one-month gap between the tests. Two hundred and sixty-seven participants were naturally grouped into fasting and non-fasting groups according to their report during the Ramadan session and into morning and afternoon periods, or AM and PM hours, according to their module scheduling. The results of the analyses suggest that the cognitive work performance of the fasting participants during the PM hours is better, after controlling the DST scores before Ramadan. The study also concludes that the cognitive work performance of the fasting participants between AM and PM hours does not differ. This result could be explained using the perspectives of post-lunch performance dip and the beneficial effect of breakfast. Methodological limitations and the potential practical implementation of this study are also discussed.
Fixture Planning for Multi-Workpiece Setup for Make-to-Order Industry Anas Ma'ruf; Edwin Syalli Siregar
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 26 No. 1 (2024): June (Preprint)
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

An alternative method to reduce setup time is to simultaneously carry out fixture planning for several parts in one setup plan. This is possible due to the size of the parts, which are relatively small compared to the size of the machine work bed, typically found in a make-to-order industry. This research proposes a fixture planning method for multi-workpiece setups. The fixture planning method comprised two stages: 1) multi-workpiece layout; and 2) 3-2-1 pin location. An example of a multiple workpiece setup is illustrated in this paper to point out the method's applicability. Future research activity will integrate the proposed collaborative human-robot assembly design system method.
Leveraging Social Network Analysis for Enhancing Safety Reporting in the Workplace: : A Case Study of the IZAT Application Paramitha Puspa Widya; Rita Ambarwati; Dedy Dedy; Mashhura Toirхonovna Alimova
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 26 No. 1 (2024): June (Preprint)
Publisher : Institute of Research and Community Outreach - Petra Christian University

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Abstract

Unsafe Condition Reporting is an important source of information for companies to determine whether the reporting can be identified effectively as the key to reducing work accidents. This research aims to ascertain the Social Network Analysis visualization network in the context of reporting unsafe conditions in the IZAT application and categorizing data processing outcomes. The findings revealed that the data collection process yielded 26,658 data items. The Unsafe Condition content comprised 79,667 words, with 2,388 unique words identified. The average number of occurrences per word was 33.36139. Certain network property calculations can be inferred from these results. Then, the word mapping with five related topics was carried out. The results of the categorization of the unsafe condition word mapping can be used as evaluation material for companies to prevent work accidents. In particular, the network visualization results can identify the most discussed topics and social network relationships of reporting in the IZAT application.

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