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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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PENGUKURAN DAN PERENCANAAN PERBAIKAN KUALITAS PELAYANAN JASA RENTAL DALAM UPAYA MENINGKATKAN KEPUASAN KONSUMEN Aulawi, Hilmi; Firmansyah, Ara
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29728

Abstract

The availability of a comprehensive and varied range of rental equipment constitutes a strength for the company, however, aspects of customer satisfaction may be influenced by certain factors that have not been implemented optimally. Additionally, rental service companies in Garut have yet to conduct a study on the measurement of the level of service quality provided. The purpose of this research is to measure the level of service quality, map the current service positions provided by the service provider, and determine priority quality attributes to formulate improvement plans to enhance customer satisfaction. The approach used is quantitative descriptive, utilizing service quality dimensions proposed by Grönroos as a reference for organizing quality attributes. The research method consists of three stages: first, the Servqual method is used to determine the gap between expected and perceived services; the ZoT method is employed to map quality attributes, providing an overview of the measured quality attribute positions within tolerance limits; and the AHP method is utilized to prioritize attributes for recommended improvements. The research findings indicate overall satisfaction with the measured service quality. However, four quality attributes have negative gaps and fall outside tolerance limits, indicating suboptimal service. Meanwhile, the largest-weighted quality attributes are prioritized in formulating improvement plans, with the “penyedia jasa cekatan (Tangkas) dalam memberikan solusi ketika terjadi yang tidak diharapkan” (C4.3) being the top priority. The analysis of prioritized quality attributes results in the development of a guide or procedure to facilitate the company in addressing customer complaints.
ANALISIS PENYEBAB KETIDAKSESUAIAN PADA SAMPEL PENGUJIAN KUALITAS PRODUK CAT TEMBOK MENGGUNAKAN FAULT TREE ANALYSIS DI PT. XYZ Culatta, Vigna Shindy; Rosid, Ibnu Abdul
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29729

Abstract

Product quality is one of the essential factors in the growth of a company's business. A company that focuses on quality continuously builds consumer trust in the company. Consumers can assess a company based on the products it produces. If a product is of high quality, it means that the company's processes have successfully met quality standards. Therefore, satisfied consumers will be happy to use the product consistently. PT XYZ is one such company that prioritizes quality. Product quality is monitored from the beginning to the end of the production process by the Quality Control department to ensure that the products meet standards. In reality, even when a product goes through the production process according to the correct instructions and formulas, there are still instances of non-conformities found in product samples during quality testing. Therefore, this research aims to analyze the factors causing these issues using the Fault Tree Analysis (FTA) method. The research focuses on wall paint products in the Finish Goods section. By using a Pareto diagram, it was determined that the most common non-conformities were viscosity issues, accounting for 58 instances or 39%, and pH issues, accounting for 51 instances or 34%. Subsequently, an analysis of the causes was conducted using Fault Tree Analysis (FTA), leading to the identification of factors contributing to these failures, including operator factors, process factors, environmental factors, and raw materials.
PERANCANGAN TROLLEY MOBILE AUDIO SEWAAN MENGGUNAKAN METODE REVERSE ENGINEERING DAN VDI 2221 Evaprast, Barjuan Theofano; Daywin, Frans Jusuf; Gozali, Lina
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29730

Abstract

The situation after the COVID-19 pandemic made people need places for entertainment so that the tourism and entertainment sector grew rapidly. With the emergence of work from home, people need a place for entertainment. This development is in line with the quality of cafes and restaurants that need to be improved so that customers can be comfortable and repeat orders. In this process, to maintain customer retention, requests arise to hold live music, background sound, or function rooms for rent. In that case, audio is needed with good quality, easy to store, easy to adjust, move or direct so that its use can be maximized and reduce costs. Audio equipment is synonymous with large size and weight, making it difficult to move and not portable for mobile use. Therefore, a tool is needed to design a mobile audio trolley so that audio is easy to carry and use at competitive prices. With so many 4-6 inch speakers that are sold in large quantities, this is the benchmark for the dimensions of this product. By adjusting based on existing reverse engineering benchmarks known need metrics matrix, it is obtained that Product Functions in the first rank are made as priority needs. The difference after owning this product is that small equipment is safely carried around, speakers are moved easily and also with minimal effort, the speaker body remains smooth, the speaker's moisture is even more durable, it is much easier to carry and you are not afraid of the weather outside because this product is guarded.
PENGENDALIAN KUALITAS PRODUK PIPA PADA PUMP IN ROLL DI PT. XYZ DENGAN MENGGUNAKAN METODE SIX SIGMA Putu Wiyoga Fernandha Y; Ahmad; Doaly, Carla Olivia
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29731

Abstract

The rapid development of the industry today has made the level of competition between companies even stronger. Companies are increasingly fighting over consumers and trying to make their products more superior and desirable. Competition between companies cannot be avoided, thus companies must pay attention to several things during the production process so that they can facethe tough competition, one of which is to pay more attention to the quality of the products that will be marketed to consumers and minimize production defects so that consumer satisfaction can be fulfilled. In the interviews conducted, several product defects were obtained in the form of corrugated welding results of 54.35%, jagged cuts of 10.87%, sanding left 26.09% of residual welds and the result of painting on the pipe was lumpy of 8.70%. There are root problems in the production of pump in roll pipes, namely the human operator fatigue factor, the machine factor because there is no routine maintenance on the welding machine so that the welding process is not optimal, the method factor is the absence of WPS (welding process certification) in the welding work area and on environmental factors because there is no protection in the welding process area to avoid dust and water during the welding process. These factors have an impact on the pump in roll pipe production process so that it experiences several types of defects such as corrugated welding, jagged cutting processes, sanding which still leaves residual welds and lumpy and scratched paintwork.
MODIFIKASI ALAT BANTU PEMBUATAN DODOL YANG ERGONOMIS UNTUK MENGURANGI KELUHAN PEKERJA DI UMKM DODOL DI TANGERANG Priantoraharjo, Shafa Alauddino; Widodo, Lamto; Andres
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29815

Abstract

In the production process, IMK usually produces in traditional ways and has not automated. This means that the production process depends on human labor. Therefore, a review was carried out on one of the IMK that carried out Dodol production. To produce dodol food takes 8 to 10 hours of work. Initial observations were made to find out what problems could be used as research topics, based on initial observations made in the study, a problem topic was found in Dodol MSMEs in Tangerang. The highest complaints are felt on the back, soles of the feet, knees, and elbows. After a work risk analysis using the REBA and WERA methods, it was found that the risk in the dough kneading process was found to be high and changes needed to be made. Therefore, the design was carried out by considering ergonomic aspects, using the SCAMPER method. After the design, a simulation was carried out with the help of blender software to determine changes in REBA and WERA scores. Three design was created and the third design was chosen as the final design, with a height of 170 cm and a widht of 134 cm. It was found that the new design REBA score is 3 which is classified as low risk and the WERA score is 23 which is also classified as low risk.
ANALISIS PEMILIHAN SUPPLIER KACA LEMBARAN DENGAN MENGGUNAKAN METODE FUZZY ANALYTICAL HIERARCHY PROCESS DAN TOPSIS Bayu Bimantara; Saryatmo, Mohammad Agung; Adianto
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29816

Abstract

PT. XYZ is a company engaged in the automotive manufacturing sector since 1984, producing various kinds of car and motorcycle mirrors, electric door mirrors, auto lamps, lamp cases, and grilles. The majority of the company's customers are large-scale automotive companies, so they want excellent product quality. In improving product quality in terms of price, materials and services, this company requires the right supplier to continue to compete and maintain the company. The problem with the company requires a method for selecting priority suppliers so that the company can meet customer demands and increase its competitiveness. To solve these problems, researchers used the Fuzzy Analytical Hierarchy Process (FAHP) method and the Technique for Orders Preference by Similarity to Ideal Solution (TOPSIS) method. Supplier selection is carried out by considering 5 criteria, 10 sub-criteria, and 5 alternative suppliers. The results of the Fuzzy AHP calculation show that the first rank is SP2 with a weight of 0.392, followed by SP1 with a weight of 0.271, SP5 with a weight of 0.134, SP3 with a weight of 0.103, and finally SP4 with a weight of 0.100. Meanwhile, in the TOPSIS calculation, SP2 was obtained as the first rank with a weight of 0.847; followed by SP1 with a weight of 0.604, then SP4 with a weight of 0.506, SP5 with a weight of 0.488, and finally SP3 with a weight of 0.486. So the conclusion from this study is Supplier 2 (SP2) as the best alternative for the company to be prioritized in ordering flat glass raw materials based on the results of weight calculations using the FAHP and TOPSIS methods.
PERANCANGAN MEJA KERJA OVERHAUL BERBASIS ERGONOMI UNTUK MENINGKATKAN EFISIENSI KERJA DI BENGKEL GIAVA SCOOTER Akhromi, Muhammad Rafli; Sukania, I Wayan; Widodo, Lamto
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29817

Abstract

Bengkel motor Giava Scooter adalah UMKM bergerak pada bidang jasa pelayanan perbaikan sepeda motor vespa. Salah satu alat bantu yang dipakai pada motor vespa adalah alat pengangkat motor atau motor cycle lifting yang bertujuan untuk mempermudah bengkel motor selama melakukan aktivitas pekerjaannya. Bagian pekerjaan yang memakan waktu lama adalah proses pengerjaan mesin overhaul dan proses pengambilan peralatan kerja di rak penyimpanan pada saat posisi berjongkok. Aktivitas kerja tersebut membutuhkan posisi jongkok dengan waktu yang lama dan secara berulang-ulang. Dilakukan wawancara dan kuesioner kepada mekanik didapatkan hasil bahwa postur kerja mengalami keluhan pada otot tubuh. Dilakukan analisis secara REBA didapatkan hasil bahwa postur kerja berisiko dan segara dilakukan perbaikan. Oleh karena itu, dilakukan perancangan alat bantu berupa meja kerja overhaul dengan melakukan perancangan ulang. Pada proses perancangan menghasilkan alternatif 1, 2, dan 3 lalu dilakukan pemilihan konsep rancangan yang terpilih adalah konsep rancangan C. Adapun spesifikasi utama pada konsep rancangan C dengan dimensi ukuran panjang 130cm, lebar 65cm, dan tinggi 110cm. Pertimbangan persentil pada perancangan menggunakan data tinggi siku, panjang rentang tangan ke samping, panjang rentang tangan ke depan, dan lebar tangan.
PENERAPAN LEAN SIX SIGMA DALAM PENGENDALIAN KUALITAS PRODUK: STUDI KASUS PERUSAHAAN TEKSTIL Adrian, Kevin; Kosasih, Wilson; Salomon, Lithrone Laricha
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29818

Abstract

The increasing number of fabric defects over the past three years has caused the company's performance to decline in terms of production. The data obtained is defect data in the period December 2019 to January 2023 from internal company data, while waste data is obtained by waste assessment questionaire and waste relationship matrix. The DMAIC method is the main method in this study, starting from defining problems and measuring process capabilities based on defects, continued with WRM and WAQ for waste type analysis, and the root of the problem in defects and waste is analyzed with fishbone diagrams. The results of this study show that the most common types of defects are holes, broken threads, and broken needles, while the types of waste that occur are waiting, overprocessing, defects, and overproduction. The root of the problem is that there are no QC procedures for raw materials, machine operating procedures, and periodic inspection procedures. By providing improvement proposals and implementing improvements, it was concluded that there was a reduction in production costs of up to 4%, an increase in work efficiency of up to 2.48%, and a manufacturing lead time of up to 35.98%.
PERANCANGAN TAS MEJA ERGONOMIS SEBAGAI PENUNJANG FASILITAS WORK FROM ANYWHERE Tjahjaindra, Jordy; Widodo, Lamto; Ahmad
Jurnal Mitra Teknik Industri Vol. 3 No. 1 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i1.29820

Abstract

This ergonomic desk bag is useful as a product that makes it easier for people who work with high mobility so that a bag that functions as a storage area is combined with a foldable table and there are several features on the table, one of which is the height of the table legs that can be adjusted and in terms of materials choose materials that not too heavy so as not to make the user object. This product was made due to the lack of ergonomics of the table or the lack of availability of tables when people work outside the office. For this reason, this product is designed so that when carrying a bag, users can still use the table. The method used in this research is distributing questionnaires, the Ulrich and Eppinger Method, and the Analytical Hierarchy Process. . Ergonomic desk bag product design carries out the process of selecting the selected product then developing and implementing it on the user and the result is that the user can use the table when doing his work even though there is no table in that place.
PERANCANGAN RAK PENYIMPANAN DAN PEMOTONGAN KAIN ROLL UNTUK MEMPERBAIKI RISIKO POSTUR KERJA DI WORKSHOP MODESTY SOFA Zalukhu, Vindi Shalsa Putri; Daywin, Frans Jusuf; Gozali, Lina
Jurnal Mitra Teknik Industri Vol. 3 No. 2 (2024): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v3i2.31989

Abstract

Modesty Sofa is a company engaged in the furniture industry which produces various types of sofas. In the sofa-making production process, it is divided into two stations, namely the sofa frame manufacturing station and the sofa finishing station. The lack of adequate facilities such as cloth cutting tools which are still done manually on the floor causes a less ergonomic work posture. Based on the results of distributing the NBM questionnaire to 2 employees, it was found that employees felt pain in the neck, back, waist, shoulders, thighs, calves and feet. In the REBA analysis, a score of 5 (medium risk level) was obtained for the squatting work posture and a score of 8 (high risk level) for the kneeling work posture, and in the OWAS analysis, a score of 2 was obtained for the squatting and kneeling work posture. From the conditions described, it is necessary to design storage racks and roll cloth cutting which can improve employee work posture and make it easier for employees to find fabric materials. The results of the REBA assessment on standing work posture of employees after implementing storage rack work tools and cutting cloth rolls only got a score of 3 (low risk), and on the OWAS assessment, got a score of 1, which means the work posture is in a safe position.

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