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All Journal Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Jurnal Manajemen Bisnis dan Kewirausahaan Jurnal Serina Ekonomi dan Bisnis Jurnal Mitra Teknik Industri
Saryatmo, Mohammad Agung
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Industrial & Manufacturing Engineering Social Sciences

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Journal : Jurnal Mitra Teknik Industri

 1 
PENERAPAN LEAN SIX SIGMA UNTUK MENINGKATKAN KUALITAS VOLUTE CASING DALAM MENGURANGI PRODUK CACAT Dewi Yuliana; Saryatmo, Mohammad Agung; Salomon, Lithrone Laricha
Jurnal Mitra Teknik Industri Vol. 2 No. 1 (2023): Jurnal Mitra Teknik Industri
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmti.v2i1.25528

Abstract

Good product quality or not depends on factors that influence it such as the quality of raw materials used, production processes, production tools, skilled human resources and can work effectively to produce a product in the company. The company under study was founded in 1992 in the Pulo Gadung area, East Jakarta. This company produces a product in the form of pump casting. This pump casting has several types of products, such as volute casing, impeller, bearing housing, and casing cover. Based on the results of observations and so on, the three biggest wastes are defects, overproduction and waiting. The research was conducted utilizing the lean six sigma method with the DMAIC (Define, Measure, Analyze, Improve, Control) stage to minimize waste and create continuous improvements. After analyzing and processing the data, it was noted that the three biggest wastes during the production process were defects of 26.35%, overproduction of 22.90%, and waiting of 12.60%. Regarding the sigma and DPMO values, the DPMO calculation results obtained are 14,972 with a value. sigma is at 3,671. After providing recommendations for improvements to the problem, the duration of non-value added activity in value stream mapping was successfully reduced from 671,700 seconds to 361,080 seconds which increased the PCE value from 25.32% to 38.67%, with improvements the DPMO value is 4289 units and the sigma value after repair is 4.128.
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%.
PENERAPAN METODE SIX SIGMA PADA PERBAIKAN MUTU PRODUKSI PERMEN Wijaya, Leonardo Agusta; Saryatmo, Mohammad Agung; Kosasih, Wilson
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.v2i3.28415

Abstract

This research focuses on KOHE candy products produced by PT. KS. PT. KS is a manufacturing company that produces candy. Based on the observations and research that has been done, there are defects or product defects during the process of making KOHE candy. This study aims to identify, analyze and provide suggestions for improvement for PT. KS in order to reduce the number of defects or product defects produced using the six sigma method. Based on the calculation of process capability and sigma value, product quality improvement is 15,136 DPMO with a sigma value of 3.67. Based on the FMEA, it can be seen that the causes of defects or product defects are candy squeezed between packages, placement of candy that does not fit, packaging that is not closed evenly and description of candy packaging that does not match. Based on the RPN calculation with the aim of determining the highest priority is a pinched packaging defect with an RPN value of 210 and a severity value of 7. The proposed improvements are improvements to work SOP, check sheets and one point lessons. It is hoped that this research can provide benefits in the form of reducing the number of defects during the production process at PT. KS.
PENERAPAN METODE LEAN MANUFACTURING UNTUK MEREDUKSI WASTE PRODUKSI PAKAIAN PADA UKM LARIXA Phangestu, Bryankim; Ahmad; Saryatmo, Mohammad Agung
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.v2i3.28427

Abstract

UKM Larixa is a small and medium enterprise that produces women's clothing. The production system implemented by UKM Larixa is considered to still have deficiencies, namely product defects and waste. Examples of waste that often occur are waste of waiting, waste of defects and waste of inventory. One way that can be used to reduce waste is to implement lean manufacturing. The data obtained has fulfilled the data adequacy test requirements, reliability tests and normality tests. Standard time is used as the basis for making current value stream mapping and process activity mapping where the process time lasts 1,102 minutes with a process cycle efficiency of 70.46%. The three biggest wastes after analysis are waste waiting with a percentage of 19.82%, waste inventory with a percentage of 18.86% and waste transportation with a percentage of 16.98%. Proposed improvements in order to minimize waste include labeling the final product warehouse area, adding work facilities, implementing 5S, joint cleaning programs, briefings and making SOP.
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.
Co-Authors Adianto Ahmad Ajisasmito, Muladi Andres Angelica, Katty Aruan, Raditya Pradana Putra Bayu Bimantara Bravo, Christiandinata Tjandra Dewi Yuliana Ferdinand Husin, Denny Jennifer Jennifer Karolina, Nova Kevin Komala, Olga Nauli Kristina, Helena Juliana Laurent, Margareth Lidya, Lidya Lithrone Laricha Salomon Natalia Natalia Natalie, Michelle Ruth Phangestu, Bryankim Ursula, Ferrel Briliyant Wahyudi, Steven Wijaya, Febiola Valentina Wijaya, Leonardo Agusta Wilson Kosasih Yumiko, Yumiko