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Evi Febianti
Department of Industrial Engineering, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Identification and proposed strategy for minimizing defects using the lean six sigma method in the pallet production process Kulsum Kulsum; Reza Fawzi Rahman; Evi Febianti
Jurnal Teknika Vol 17, No 1 (2021): Available Online in June 2021
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/tjst.v17i1.10942

Abstract

Judul: Identifikasi dan usulan strategi minimasi produk cacat menggunakan metode lean six sigma  pada proses produksi pallet Title: Identification and proposed strategy for minimizing defects using the lean six sigma method in the pallet production processPerusahaan yang menjadi objek penelitian bergerak dalam bidang pembuatan pallet dan dunnage. Dalam proses produksi pallet masih banyak terjadi pemborosan dan produk cacat. Tujuan utama dari penelitian ini adalah untuk mengidentifikasi dan mengusulkan strategi untuk meminimalkan produk cacat melalui tahap pencarian critical to quality (CTQ) yang terjadi. Penelitian ini menggunakan metode lean six sigma sebagai solusi untuk mengatasi permasalahan tersebut. Pada pallet ditemukan 3 produk CTQ yaitu retak, pecah, dan berjamur. Berdasarkan penyebaran kuesioner waste assessment model (WAM), diketahui waste yang paling dominan adalah waste defect. Sehingga usulan perbaikan adalah membuat standar operasional prosedur (SOP), membuat checklist untuk penggantian dan perawatan mesin, melakukan pelatihan operator, pengadaan peralatan keselamatan, dan membuat tempat khusus untuk penyimpanan bahan baku. The object of this research is a company engaged in the manufacture of pallets and dunnage. In the pallet production process, there is still a lot of waste and defective products. The primary purpose of this study is to identify and propose strategies to minimize defective products through the critical to quality (CTQ) search stage that occurs. This study uses the lean six sigma method as a solution to overcome these problems. On the pallet found 3 CTQ products, namely cracked, broken, and moldy. Based on the waste assessment model (WAM) questionnaire distribution, it is known that the most dominant waste is defect waste. The improvement proposals obtained are making standard operating procedures (SOP), making checklists for machine replacement and maintenance, conducting operator training, procuring safety equipment, and creating a special place for raw material storage.
Proposed production process improvement with a lean manufacturing approach on the electrolytic tinning line Evi Febianti; Ade Irman S Mutaqin; Firdha Tamia Puteri; Shanti Kirana Anggraeni; Nuraida Wahyuni; Ratna Ekawati; Ani Umyati
Jurnal Teknika Vol 18, No 2 (2022): Available Online in November 2022
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/tjst.v18i2.14730

Abstract

Industry competition is currently getting tighter; companies must produce quality products, deliver on time, and provide the best service to consumers. It can be real realized minirealisedaste that occurs in the production process to achieve this. In this study, lean manufacturing will be applied to minimize waste by describing the entire production process through Value Stream Mapping, identifying the most dominant waste using the Waste Assessment Model (WAM) method, and selecting VALSAT tools based on final weights. WAM, identification of causes using Fishbone diagrams, and suggestions for improvement using 5 Whys Analysis. The results show that waste is dominant, namely waste defect with a percentage of 21.66% and waste inventory of 20.34%. Proposed improvements made to reduce waste defects a traditional singing the contaminant inspection method, conducting regular inspections, and cleaning machine parts, changing the coating thickness gradually, providing training to operators regarding the handling of the process section, and adding a thermometer near the steam supply. Meanwhile, to reduce inventory waste, namely by including the storage date limit on the Tin Mill Black Plate (TMBP) raw material, rearranging the TMBP storage area, conducting periodic TMBP inspections, and providing training and direction to operators regarding the TMBP transfer process.
Co-Authors Ade Irman S Mutaqin Ani Umyati Firdha Tamia Puteri Kulsum Kulsum Nuraida Wahyuni Ratna Ekawati Reza Fawzi Rahman Shanti Kirana Anggraeni