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All Journal Go-Integratif : Jurnal Teknik Sistem dan Industri
Fahriza Nurul Azizah
Program Studi Teknik Industri, Universitas Singaperbangsa Karawang
Control & Systems Engineering Decision Sciences, Operations Research & Management Industrial & Manufacturing Engineering

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Usulan Peningkatan Kualitas Imprabox Menggunakan Pendekatan Lean Six Sigma dengan Simulasi Monte Carlo (Studi Kasus: Perusahaan Packaging) Felix Yohannes Panjaitan; Winarno Winarno; Fahriza Nurul Azizah
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol 3 No 02 (2022): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v3i02.7565

Abstract

The tight competition in the industry at this time makes every company must improve the quality of each product. To optimize the production process, waste becomes the main inhibiting factor that can reduce the company's image. PT Jaya Prakarsa is a packaging company which is currently facing the problem of the emergence of waste in each of its production processes for the final product which is called Imprabox. This study aims to reduce waste in the Imprabox production process using the lean six sigma method with the Define, Measure, Analyze, Improve & Control (DMAIC) stages and Monte Carlo simulation. The results of the define stage show that the defect waste becomes critical waste with a value of 42.3%. At the measure stage, the results from the p control chart show that the existing quality is still not fully controlled. The sigma level for the average process from February to March 2022 is 2.63 and the Process capability index (Cpk) value is 0.1532. This Cpk value is still less than 1.31,  indicates that the company lacks production process capability. The cause and effect of the emergence of defects are then analyzed using a fishbone diagram at the analyze stage which will be repaired using 5W + 1H at the improve stage. Based on the results of the MC simulation with three successful scenarios of quality improvement of 50%, 75% and 100%, it shows that there is an increase in the processing capability for the company by 403.9%, 425.5%, and 426.9%, respectively.
Analisis Statistical Quality Control dalam Proses Produksi Komponen Wheel Rim Fitriana Fitriana; Fahriza Nurul Azizah; M Madyan Hamdi
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol 4 No 01 (2023): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v4i01.8778

Abstract

PT XYZ is a company engaged in the automotive component industry for Wheel Rims or rims for two-wheeled and four-wheeled vehicles for the domestic and export OEM markets. The Wheel Rim which was produced by PT XYZ in one month found 255 units of defective products. The types of damage are broken, slips, markings, and inappropriate sizes. So research is needed with a focus on quality control of the products produced. This study uses the Statistical Quality Control (SQC) method to analyze the level of wheel rim product defects and the factors that cause product damage so that the company can find solutions to overcome the damage that occurs and improve the quality of the products produced. The categories of defects with the highest number were broken defects (52%), followed by inappropriate sizes (31%), no markings (6%), inverted marks (5%), pinched (4%), and slips (2%). The results of the study show that the focus of the problem for the company is the number of broken defective products and inappropriate product sizes. The human factor is the main factor affecting the number of defective products, where the lack of accuracy and haste makes the production process not go well.
Perbandingan Biaya Distribusi Produk Cat Menggunakan Model Transportasi Metode Vogel’s Approximation Method dan Least Cost Fyoni Erza; Fahriza Nurul Azizah
Go-Integratif : Jurnal Teknik Sistem dan Industri Vol 4 No 01 (2023): Go-Integratif : Jurnal Teknik Sistem dan Industri
Publisher : Engineering Faculty at Universitas Singaperbangsa Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35261/gijtsi.v4i01.8791

Abstract

This research was conducted at PT Victorindo Kimiatama, a company that distributes paint and coating products in the Jabodetabek area and its surroundings where this company does not yet have a permanent distribution cost optimization calculation technique that can result in increased distribution costs. This study aims to determine efficient distribution channels and minimize distribution costs. The distribution cost calculation applies the transportation model by comparing the VAM and least cost methods. The calculation results show that there is a difference in the total cost of distribution where the VAM method produces a cost of Rp. 795,161.21 while the least cost method is Rp. 735,824.48, so that by using the least cost method the company can save distribution costs of Rp. 747,300.52 or 0.49% of the previous distribution fee
Co-Authors Felix Yohannes Panjaitan Fitriana Fitriana Fyoni Erza M Madyan Hamdi Winarno Winarno