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Identifikasi Pemborosan Proses Produksi Sepatu Casual dengan Menggunakan Metode Lean Six Sigma di PT. XYZ Fanani, Handre Syahrul; Rr. Rochmoeljati, Rr. Rochmoeljati
BRILIANT: Jurnal Riset dan Konseptual Vol 10 No 3 (2025): Volume 10 Nomor 3, Agustus 2025
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v10i3.1916

Abstract

PT. XYZ is a manufacturing industry in the field of shoe manufacturing. In the production process, waste is still found that results in defects in shoe products. This can be seen in the shoe production process in 2023 as many as 74200 pairs, there are 1372 pairs of defective shoes. This study aims to determine the waste that occurs in the shoe production process, determine the value of sigma, and minimize defects and waste and reduce activities that do not provide added value. This study used the lean six sigma method. The study began by identifying the waste that occurs in the shoe production process with the most dominant waste, namely defects. The level of sigma capability obtained in the shoe production process at PT. XYZ is 4.10 with a DPMO value of 4646 in the good category for the Indonesian Industry average. Furthermore, analysis was carried out to identify the cause of defects with fishbone diagrams. Proposed improvements using the Failure Mode and Effect Analysis (FMEA) tool. With the design of process activity mapping (PAM) and big picture mapping, lead time can be reduced from 1060.43 minutes to 1000.30 minutes.
Minimizing Cost of Milk Raw Material Inventory Using the Economic Order Quantity (EOQ) Method : Minimasi Biaya Persediaan Bahan Baku Susu Dengan Menggunakan Metode Economic Order Quantity (EOQ) Priyanto, Anugerah Dany; Winursito, Yekti Condro; Nugraha, Isna; Sholeha, Fitriatus; Fanani, Handre Syahrul
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 7 No. 1 (2023): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v7i1.1611

Abstract

Inventory in raw materials is a very important thing to pay attention to by the company in carrying out its business processes. Economy Order Quantity (EOQ) is a method that is generally used in determining raw material availability policies in order to obtain minimum yields. This method will help plan raw material inventory in a company to be more efficient. In a manufacturing company, inventory is classified into three parts, specifically raw goods, semi-finished goods and finished goods. If a supply is sufficient then the production process will run smoothly. The purpose of this study is to make an analysis and make a control plan for milk raw materials contained in CV. Milkinesia Nusantara using the EOQ method. After analyzing the results obtained, the optimal purchase frequency is 240 times a year because milk raw materials are easily spoiled with a total purchase of milk raw materials every time one order is 119 liters, the main raw material is considered safe as much as 183 liters with what was ordered back when the raw material amounted to 457 liters. Then the total cost of availability of the company's raw materials, which was originally Rp. 85,023,395.55 - can be saved to Rp. 42,006,726, - so that the savings that occur are Rp. 43,016,669.55.