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Jurnal Mitra Teknik Industri
Published by Universitas Tarumanagara
ISSN : 28293347     EISSN : 2829338X     DOI : https://doi.org/10.24912/jmti
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Jurnal Mitra Teknik Industri (JMTI) adalah Jurnal Ilmiah sebagai wadah pengembangan bidang ilmu Teknik dan Manajemen Industri, berisi hasil kajian dan penelitian dari dosen, peneliti, serta praktisi industri. Jurnal Mitra Teknik Industri diterbitkan oleh Program Studi Teknik Industri Fakultas Teknik Universitas Tarumanagara Jakarta, dalam waktu 1 (satu) tahun terbit 3 (tiga) kali.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 109 Documents
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ANALISIS TOTAL PRODUCTIVE MAINTENANCE DENGAN METODE OVERALL EQUIPMENT EFFECTIVENESS DAN SIX BIG LOSSES DI PT X Wijaya, Chandra; Sukania, I Wayan; Adianto
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26938

Abstract

PT. X is a company founded in 2010, this company is engaged in printing and packaging. The maintenance system implemented by PT. X is preventive maintenance. However, the JK-650PC glue machine has a considerable downtime that affects the company's productivity level. Therefore, this study aims to solve these problems by analyzing Total Productive Maintenance (TPM) with the method of Overall Equipment Effectiveness and Six Big Losses on this production machine. The results of the calculation show the average OEE value of PT. X during July 2021 to June 2022 was 60.53% due to a very low average performance efficiency value of 68.648%. And the dominant factor that causes the biggest losses on the JK-650PC machine is reduce speed losses, which is an average of 27.13%. The improvement proposal given based on Total Productive Maintenance (TPM) analysis is autonomous maintenance (standard operational procedure), planned maintenance (daily checklist), and training and education (planning internal training program).
MINIMASI WASTE PADA AKTIVITAS PROSES PRODUKSI DENGAN PENDEKATAN VALUE STREAM MAPPING (STUDI KASUS: UKM GARMEN X) Kevin; Saryatmo, Mohammad Agung; Andres
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26970

Abstract

SME Garmen X has been operating for more than 30 years by carrying out the production process from sheet fabric to finished clothes. SME X which is engaged in the garment manufacturing industry already has many loyal customers who entrust their clothing production with several types of models to SME X. Based on the results of observations and interviews conducted with owners and workers at SME X, information was obtained that the production process with the make to order system often experiences delays in the production process. Therefore, a lean manufacturing approach is needed to minimize waste and maximize production time. The application of lean manufacturing is carried out by making current value stream mapping, and identifying waste using the waste relationship matrix (WRM) and waste assessment questionnaire (WAQ). After the results are obtained, the next step is to select tools using the VALSAT method. Based on the results of the data, the 3 highest wastage scores were obtained, namely motion (19.89%), defect (19.22%), and waiting (16.89%). Furthermore, the results of the average score were multiplied by the detail mapping multiplier factor and the dominant tool was obtained, namely process activity mapping (PAM) of 542.23. Then analyze the causes of the problem using a fishbone diagram and five whys analysis. Improvements were made by implementing 5S, standard operating procedures, making machine setting instructions, and surprise inspections. The results show an increase in process cycle efficiency of 13.14%.
PENINGKATAN KUALITAS PADA PENGECATAN HELM SHELL MENGGUNAKAN METODE LEAN SIX SIGMA Ferdinand; Ahmad; Saryatmo, Mohammad Agung
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26973

Abstract

Quality improvement is always essential for companies to compete with products circulating in the market and for the development of a company. PT kandakawana Sakti is a manufacturing company engaged in painting services for shell helmet products. Based on the results of the analysis, it was obtained in the helmet painting production process that the 3 largest wastes occurred, namely waste defects, waste motion, and waste overproduction. The research was conducted using the lean six sigma method with DMAIC principles, which aims to minimize waste that occurs and increase the productivity of the company. After data processing, waste defects were obtained by 18.027%, waste motion by 18.87 and waste overproduction by 15.79%. It is obtained from the current value stream mapping that the production process has a process cycle efficiency of 26.76%. In the calculation of the DPMO value and sigma level, the DPMO value of 36,433 products with a sigma level of 3.29 was obtained. In this study, improvements were made in the form of making check sheets for maintenance tools, checking sheet mixing paint, checking sheets of scratch material materials and making one point lessons for defect dimensions, one point lesson absorb paint, and one point lesson runny paint. After the implementation of the proposed improvement, a recalculation of the DPMO value and sigma level was carried out. The DPMO value after the implementation of the improvement became 1,259 products and the sigma rate was 4.52 and there was an increase in process cyle efficiency to 33.56%.
ANALISIS PEMILIHAN SUPPLIER PRODUK PETI MATI MENGGGUNAKAN METODE FUZZY ANALYTICAL HIERARCHY PROCESS & TOPSIS Wijayanthi, Veronica; Ahmad; Doaly, Carla Olivia
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26975

Abstract

This company is a company engaged in the coffin industry since 2014. In today's technological developments, there are many cases of competition, one of which is in business. To maintain his business, one of his efforts is to choose the right supplier. The challenge in finding the right supplier is the supply or procurement of the right product for consumers, at the right time at an affordable price. In selecting this supplier, many criteria can be taken into consideration, making it a difficult decision. Thus, this research was conducted to achieve the goal of getting which suppliers the company will maintain to work with by implementing Multiple Criteria Decision Making (MCDM) using Fuzzy AHP and TOPSIS. Where the Fuzzy AHP method is used to minimize uncertainties that can occur in decision making, while the TOPSIS method is used to find alternative solutions that have the shortest distance to positive and negative ideal solutions. Supplier selection is carried out by considering 5 qualities, 10 sub-criteria, and 4 alternative suppliers. The results of the Fuzzy AHP calculation show that the first rank is S4 with a weight of 0.498, followed by S1 with a weight of 0.196, S2 with a weight of 0.172, and S3 with a weight of 0.133. Whereas in the TOPSIS calculation, S4 was obtained as the first rank with a weight of 0.665; followed by S1 with a weight of 0.433, S2 with a weight of 0.244, and S3 with a weight of 0.178.
ANALISIS PENERAPAN SIX SIGMA UNTUK MENINGKATKAN KUALITAS PADA PRODUKSI SPRING COIL Angelo, William; Kosasih, Wilson; Doaly, Carla Olivia
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26978

Abstract

Quality control of spring coil products has not been carried out properly, where it is indicated that most defects are outside control limits. This research was conducted at a company engaged in manufacturing, especially spring coils. The aim of this research is to increase process capability by reducing process variations that occur. The method used is Six Sigma DMAIC. A Cp value of 0,8 was obtained, which was in the range Cp < 1 so that it could be concluded that the process capability value was still below and improvements needed to be made so that the Cp was close to 1. Then a DPMO value of 8173,721 was obtained with a sigma value of 3,901. From the analysis conducted, it was found that the main cause of the defect was that the gears had chipped/worn out and the bolt settings had changed. Therefore, suggestions for preventive card maintenance were carried out. The next proposal is a raw material control card to control the quality of raw materials from suppliers. Another action that can be taken is to calculate the DPMO on a monthly basis. This is done to control the ongoing production process. The last proposal is with the 5S/5R kaizen plan card, which is to introduce that small changes can have a positive impact on sustainable change. With these proposals, the problems that occur, namely defects that are still high, can be reduced. Therefore this company needs to exercise control to maintain the suggestions that have been given or even improve them more than before.
ANALISIS BEBAN KERJA FISIK DENGAN LINE BALANCING PADA PT. XYZ (PERUSAHAAN ALAT PEMBERSIH DAN PELENGKAPNYA) Nathaniel, Nicholas Adrian; Widodo, Lamto; Andres
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26980

Abstract

Today's increasingly rapid industrial development means that companies must pay attention to several things during the production process so that they can face the tough competition, one of which is by paying more attention to the quality of their products and the risks that could result in the product becoming defective so that it can meet customer satisfaction. Labor is one of the important factors that a company has, for this reason, an even workload and in accordance with capacity is one of the things that greatly influences the performance of the workforce to produce products that comply with standards. This analysis uses several methods, including: cardio vascular load, full time equivalent, and line balancing. This research aims to provide suggestions for improvements that are expected to reduce the workload of production workers and waiting times at PT. From the research carried out, it can be concluded that materials mixing workstations experience excessive workload or are overloaded so that work on these workstations is less than optimal, so that more operator power is needed or additional operators are needed at materials mixing workstations. The packing work station experiences underload or underload so it is necessary to reduce operators so that it does not become a burden on the company, especially in salary expenses.
PERANCANGAN RAK PERALATAN MAKAN YANG ERGONOMIS DAN HYGENIS Waskito, Febrianto Puji; Sukania, I Wayan; Widodo, Lamto
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26983

Abstract

New days the cutlery rack as a storage place for cutlery such as plates, cups and spoons. Cleanliness of cutlery is a very important and influential part of food and drink, cutlery that is not washed clean can cause organisms or germs that are left behind to multiply and contaminate food. The results of the questionnaire 59% stated that it was difficult for the community to arrange cutlery. This happens because people place cutlery in a messy or not well-organized manner. In this study, a redesign of the existing food equipment racks was carried out. The design was carried out using the ergonomics method, the AHP reverse engineering method and VDI 2221. The results of the research and redesign of cutlery rack products that had been carried out using the AHP method were used to determine community needs analysis while to find out the design to be made was carried out by ergonomics method, reverse engineering, and VDI 2221. After these methods were carried out, the product design results were obtained with a length of 440 mm, a width of 550 mm, and a height of 600 mm. Furthermore, the product is made with the concept that has been selected, namely variant concept 3 using materials such as teak wood and UV Sterilizer lamps. This product targets people who need a neat and clean place to store food equipment.
PERANCANGAN ALAT ANGKUT KASUR DENGAN MENGGUNAKAN METODE REVERSE ENGINEERING DAN VDI 2221 (STUDI KASUS: PT. XYZ) Gosal, Marchelino; Daywin, Frans Jusuf; Adianto
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.26985

Abstract

At this time material handling in the industry is still done manually which can be interpreted as the task of moving goods, material flow, final products or other objects that use humans as a source of energy. At PT. XYZ activities related to lifting and also moving goods carried out were manually moving springbeds but workers found it difficult and also had several complaints and pain in parts of the body based on the Nordic Body Map questionnaire given to workers. Therefore the authors created a design for a springbed conveyance to move mattresses from the production floor to the warehouse in accordance with the principles of ergonomic operators using the Reverse Engineering method to develop products that function to improve the performance of workers and a conveyance. And also use the VDI 2221 method to optimize the technology, material and economic conditions of the conveyance. The results of the REBA analysis of the two jobs carried out by workershave a high level of risk with a REBA score of 8 for lifting and a very high risk level with a REBA score of 12 for laying. 4,662. The Lifting Index (LI) value obtained is> 1 so that it has a risk of injury to the operator.
PERANCANGAN ALAT BANTU SERVICE SEPEDA YANG ERGONOMIS DENGAN METODE REVERSE ENGINEERING (STUDI KASUS UMKM TERAS38IKE) Fadhel Muhammad W; Sukania, I Wayan; Adianto
Jurnal Mitra Teknik Industri Vol. 2 No. 2 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i2.27003

Abstract

Teras38ike is an MSME that operates in the bicycle maintenance sector. Ergonomics problems are one of the main factors faced. Bicycle maintenance activities at UMKM Teras38ike have caused many physical complaints while working and after work. Therefore, this situation must be corrected immediately. The focus of the research is to improve worker posture by designing ergonomic work aids. Workers' complaints are measured using 3 methods, namely Nordic Body Map, Quick Exposure Check and Rapid Entire Body Assessment. Based on the results of the analysis of physical complaints, the bicycle assembly aids were then redesigned based on ergonomic principles. The best designs are realized in prototype form. Based on the results of testing on the prototype, data showed that there was a decrease in the physical complaints of operators tasked with maintaining bicycles, namely by a decrease in the score on the Nordic Body Map, Quick Exposure Check and Rapid Entire Body Assessment.
PERANCANGAN AKSESORIS MOTOR UNTUK MENINGKATKAN KEAMANAN BERKENDARA Cherry; Widodo, Lamto; Gozali, Lina
Jurnal Mitra Teknik Industri Vol. 2 No. 3 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i3.28410

Abstract

Turn signal lights or rearview mirror are useful as markers when you want to turn right and left when you are at a corner, a T-junction, or an intersection. By turning on one side of the light, namely the right or left, it gives information to the riders behind and in front that you want to turn. Several factors can cause motorists to forget to turn off the turn signal, such as lack of concentration or the color of the turn signal during the day is less visible. Turn signal lights that stay on can confuse other motorists. Confusion of other drivers can break the concentration of road users and cause traffic accidents. With the aim of researching the causes of turn signal lights that keep on and confuse other people, a questionnaire was distributed to motorists. The research method used is AHP by distributing questionnaires to motorists and the result is the design of a 'Smart Light Spion' for the development of motorcycle accessories.

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