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OPERATION EXCELLENCE: Journal of Applied Industrial Engineering
Published by Universitas Mercu Buana
ISSN : 2085429     EISSN : 26545799     DOI : 10.22441/oe
Core Subject : Science,
Decision Sciences, Operations Research & Management
The aim of Operations Excellence: Journal of Applied Industrial Engineering (OE Journal) is to publish theoretical and empirical articles that are aimed to contrast and extend existing theories, and build new theories that contribute to advance our understanding of phenomena related with industrial engineering and industrial management in organizations, from the perspectives of Quality Engineering, Productivity Improvement, Logistic & Distribution, Supply Chain Management, Performance Management & Improvement System, Modelling, Operations Management, Optimization, Green Manufacturing.
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Articles 12 Documents
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Search results for , issue "VOL 12, NO 3, (2020): OE NOVEMBER 2020" : 12 Documents clear
Rancang bangun meja dan kursi kerja untuk perbaikan postur kerja pada pekerja pengolah ikan berdasarkan pengukuran NBM dan RULA Silvia Uslianti; Tri Wahyudi; Ratih Rahmahwati; Adelia Tamala
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.003

Abstract

Slouching and squatting work postures in the fish cleaning process can cause skeletal muscle injury. Based on the results of previous research conducted by Adelia (2020), the results of the existing NBM show that workers have complaints in the muscles of the neck, arms, back, waist, buttocks, hands, wrists, thighs, knees, and feet. The result of total muscle complaints individual skeletal is 75, meaning that the existing work posture requires work improvement. Improvement of working posture can be done by designing work aids in the form of desks and chairs. The determination of the MSDs risk level category was carried out by identifying the skeletal muscle complaints felt by workers using a Nordic body map (NBM) questionnaire, a working posture assessment was carried out to determine the score level in work posture using the Rapid Upper Limb Assessment (RULA) method with the help of CATIA V5R20 software. Assistive devices in the form of desks and work chairs are designed based on complaints experienced by workers and use the anthropometric approach in determining the dimensions of work aids. Based on the results of the implementation of work aids, there was a change in the score for skeletal muscle complaints and work posture. The results showed that the average NBM value of individual muscle complaints was 56.75, this is included in the moderate risk level and the results of the RULA analysis on the repair work posture experienced a change in the final score, namely 4 (yellow).
Analisa defect produk sheet area corrugator 301 menggunakan metode SPC dan FMEA di PT Indah Kiat Evan Mandala Putra; Sri Mukti Wirawati; Pugy Gautama
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.006

Abstract

This study aims to analyze defects in the sheet production process in the 301 Corrugator area by analyzing the total number of sheets produced and the number of sheets that have been damaged over a certain period of time using the Statistical Process Control (SPC) method and Failure Modes and Effect Analysis (FMEA). Based on the research results, there are 6 defects, namely untidy cuts, wrinkled sheets, uneven surface, curved sheets, uneven sides, loose sheet layers. The most dominant defect is uneven surface, which is 185.141 Kg or 60%. Based on the value of the RPN table, the product defect that has the highest value is the loose sheet layer with an RPN value of 245 from the calculation stage of the RPN value, a suggestion is made to reduce defects resulting from the loose sheet layer. From the stage of making improvements, the company should prioritize and focus on the types of disabilities and types of disabilities that have the highest RPN ranking when using the Failure Mode and Effect Analysis (FMEA) method.
Pengaruh keputusan adopsi cloud computing dari segi kerangka teknologi, organisasi, dan lingkungan terhadap Kinerja UMKM Rianita Puspa Sari; Aditia Ayu Rahma Nabila; Aulia Fashanah Hadining; Deri Teguh Santoso
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.001

Abstract

The existence of Industry 4.0 has a disruptive impact on the economic sector, which results in a complex level of competition. Anticipating this, the Indonesian government launched making Indonesia 4.0 in an effort to improve the performance and competitiveness of the national industry. One of the priorities is Micro, Small and Medium Enterprises (MSMEs), because MSMEs are the backbone of the economic sector in Indonesia. On the other, MSMEs have a number of constraints in the form of limited capital and costs, lack of infrastructure and facilities, lack of work networks, inadequate human resources in the field of business and low use of information technology, which makes it difficult to compete. Therefore, MSMEs need information technology solutions that meet their needs. Adoption of cloud computing is one of the information technologies that is a solution for MSMEs to be able to improve their performance towards a better direction so that they can be competitive. The adoption of cloud computing in MSMEs has several consideration factors that are seen from the aspect of TOE. The purpose of this study, in the form of analysis of decision factors from the aspect of TOE in the adoption of cloud computing to the performance of MSMEs in Karawang Regency, using the SEM-PLS method with 100 samples of MSMEs. The results of this study indicate that the aspects of TOE affect cloud computing adoption and MSME performance, while cloud computing adoption does not affect the performance of MSMEs.
Perencanaan persediaan bahan baku amoxicillin menggunakan metode material requirement planning: studi kasus Firda Pratiwi; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.007

Abstract

PT. XYZ is a pharmaceutical company that produces Amoxicillin. In managing its inventory, PT XYZ has not done a good plan to determine the size of raw material orders. The existence of these problems, a study was conducted with the aim of determining Amoxicillin raw material inventory planning to eliminate the accumulation of raw materials at future. The initial stage is forecasting using three methods, namely Linear Regression, Exponential Smoothing and Moving Average. Of the three forecasting methods, the Linear Regression method provides the smallest error accuracy. The chosen method of forecasting must be carried out in advance of verification test (Moving Range) to be used as a basis for planning future raw material requirements. Furthermore, calculations are carried out using the MRP method to determine the size of the order lot for each raw material and reduce the cost of saving. The lot size technique used includes Lot for Lot (LFL), Economic Order Quantity (EOQ), and Fixed Period Requirement (FPR). Of the three lot size techniques used, the LFL method provides the lowest total cost of inventory.
A recommendation of breakdown maintenance on vehicle engine camshaft line using reliability centered maintenance and FMEA method Y. Advin Fajar Nugroho; Uly Amrina; Bonitasari Nurul Alfa
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.008

Abstract

A vehicle engine manufacturing company that implements Total Productive Maintenance (TPM) found many breakdowns in the camshaft line from January to May 2019. This study aims to reduce the engine camshaft line breakdown by improving preventive maintenance using the Reliability Centered Maintenance (RCM) method and Failure Mode and Effect Analysis (FMEA). The researchers mapped the breakdown time data per engine and found that the longest breakdown time was on the IGR-0040 engine with 22.23 hours. The current availability ratio of the IGR-0040 machine is 72.88%, and the reliability index is 55%. Furthermore, this research identified machine failure using FMEA and found that six machine components experienced the highest failure rate. The researchers proposed some improvement activities related to the maintenance interval rescheduling period that could increase by 61% reliability
A systematic literature review of implementation six sigma in manufacturing industries Indra Setiawan; Fransisca Debora
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.005

Abstract

The Six Sigma approach has received a lot of attention in various industrial sectors from the manufacturing industry to the service industry. More specific knowledge about Six Sigma has grown rapidly. Much of the training and research on Six Sigma is carried out in various industries and university. This literature review related to Six Sigma purpose to provide an overview of Six Sigma implementation in the manufacturing industries.  The Six Sigma approach that has been introduced and implemented for a long time is DMAIC (Define, Measure, Analyze, Improve, and Control). This paper discusses the published literature related to Six Sigma ranging from 2015 to 2020. This paper involves the study review of 50 papers related to the implementation of Six Sigma of known database search including Elsevier, Science Direct, Emerald Insight and Google Scholars. This literature review contains results from a variety of different perspectives. The perspective includes the focus of the industry, the focus of the number of distribution by country, the focus of the year of publication and the focus of the number of publishers. In fact, this is useful for all types of manufacturing industries to find solutions to problems. The paper also provides advantages for researchers next to add to the literature.
Usulan perbaikan sistem kerja express maintenance berdasarkan Kaizen dan simulasi ProModel pada PT Setiajaya Mobilindo Cibubur Lukman Nurfikri; Asep Endih Nurhidayat; Puji Suharmanto
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.009

Abstract

PT Setiajaya Mobilindo Cibubur is an authorized Toyota dealer, in the service division there is Express Maintenance. Express Maintenance (EM) is a special work system for vehicle periodic service maintenance without complaints with a periodic service process for 40 minutes. But in reality there is a problem with the service process time of more than 40 minutes, this is caused by repeated service processes, there are still customer complaints at SPK EM and additional work or part estimates that cause the service lead time to be more than the standard, which is one hour. This study aims to reduce the time of the EM service process to be faster by making suggestions for improvements to the SOP of the EM periodic service process and a ProModel simulation is made to determine the difference between the simulation before and after the repair. On this basis, researchers used kaizen and ProModel. After measuring the standard time before periodic service repairs for 45.6 minutes, repairs are carried out such as kaizen plans by identifying problems using the fishbone, the periodic service process time is not 40 minutes and the corrective steps are given using 5W+1H. Do kaizen implementation based on the plan in the form of periodic service improvement proposals in EM, check sheets and checklists. Check kaizen by measuring the standard time after repair, which is 30.5 minutes. Actions in the form of preventive measures and control tools so that problems do not arise. The result shows that the standard time becomes 30.5 minutes after repair, there is a difference of 10 minutes or 33% from the condition before repair. In addition, the total entries in the ProModel simulation have increased from 209 to 331 units or the EM production capacity has increased by five units/day.
Analisis ergonomi pada perkuliahan daring menggunakan smartphone selama masa pandemi covid-19: studi kasus mahasiswa Prodi Teknik Industri Universitas Mulawarman Lina Dianati Fathimahhayati; Theresia Amelia Pawitra; Willy Tambunan
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.004

Abstract

When Covid-19 emerged in Indonesia in early 2020, students had to learn from home to prevent the spread of the virus. The changing activity could effect on physical and mental health caused by student’s behavior during learning from home. Survey showed that 84% students of Industrial Engineering, Mulawarman University used smartphone while learning from home. Therefore, this study aimed to identify students’ behavior, to measure physical (i.e., musculoskeletal and visual fatique) and mental health (i.e., stress and smartphone addiction) problems that occurred when they were learning from home, as well as to suggest ergonomic recommendation for reducing the negative effects. At the time of the study, they were 155 students studied in the IE department and a total of 134 (86.45%) participated in the online survey. Musculoskeletal disorder was assessed using Nordic Body Map and visual fatique was evaluated using symptoms that were reported on previous studies. Additionally, Smartphone Addiction Scale (SAS) and Perceived Stress Scale (PSS) were administered to identify smartphone addiction tendency and stress level respectively. The results showed that MSD occurred in left and right shoulder (95%), followed by upper neck (82.14%) and back (72.62%). 86% of participants experienced visual fatique with headache (71.55%), ache eye (68%) and dry eye (60.34%) symptoms. Subsequently, this survey revealed that 35% of the participants addicted to smartphone and 68.66% experienced moderate level of stress. To alleviate these physical problems, several ergonomic recommendations were proposed i.e., supporting the arm that holding the smartphone with the other hand, practicing the 20-20-20 rule and applying stop, drop and flop slogan. Moreover, cooperation among parents, students and lecturers was needed to create conducive learning environment so as the mental health problems could be minimized. 
Manajemen jasa logistik pelayaran redpack guna mengurangi waste: studi kasus PT. PELNI Moses Laksono Singgih; Rizka Safira Hartanti
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.002

Abstract

PT. PELNI is a company that provides shipping services using sea transportation. One of the services it has is REDPACK, which is a delivery service with priority to maintain package conditions. This service is still relatively new because it is operating in 2019 and evaluation is needed so that efficiency increases by reducing waste. In this study, the method used is Lean Service because the delivery service is in the service sector. The tools used in this research are Value Stream Mapping (VSM) and DEMATEL. VSM is used to analyze the value flow in the service process. VSM results can indicate a process that is not needed. After that, it is continued by identifying process flow waste and determining critical waste in these services. Determination of critical waste is done using DEMATEL. DEMATEL is a method used to analyze the cause-effect relationship of a complex system. The results showed that the main waste factor in logistics services is customer activity reporting incoming cargo. This waste can be repaired by moving the office location into one room with a new warehouse and activity flow.
Analisis penilaian daur hidup produk screen printing Ade Astuti Widi Rahayu; Annisa Indah Pratiwi
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.010

Abstract

Increasing consumer concern for environmental sustainability is getting bigger, with the issue of green marketing starting to shift from just as added value to being a priority. The emergence of the green consumer and the growing efforts to protect the environment, encourage the industry to consider the environmental impact caused by each of its activities. Industri screen printing is one of the manufacturing companies located in the Surya Cipta industrial area that produces Screen Printing products. In the process of making Screen Printing with one of the items produced, namely named sheet panel can not be separated from the main raw material and support that has chemical elements that have the potential to harm the environment. For this reason, it is necessary to do an evaluation and analysis to determine the value of the environmental impact produced by using the life cycle assessment and life cycle cost method with the support of simapro software so that the value of eco efficiency index (EEI) can be identified from sheet panel products. From this research, it is known that the value of each life cycle assessment and life cycle score is 58.1768704pt at a cost of USD USD 9389,1355 and the value of the eco efficiency index (EEI) sheet panel product is 0.3245, which means that the eco efficiency sheet is affordable but not environmentally friendly (not sustainable).

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