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ANALISIS PENGURANGAN WASTE PADA PROSES PERAWATAN KERETA Ardiansyah Odi; Akhmad Nidhomuz Zaman; Siti Rohana Nasution; Sambas Sundana
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 1 Nomor 1 Tahun 2019
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1264.78 KB) | DOI: 10.35814/asiimetrik.v1i1.220

Abstract

Tulisan ini menjelaskan tentang identifikasi waste pada perawatan kereta bagian bogie dan memberikan rekomendasi perbaikan yang bertujuan untuk mengurangi waste yang terjadi. Dengan menggunakan pendekatan lean concept yang lebih dominan ke arah lean service, penelitian ini dimulai dengan menggambarkan big picture mapping dan pembobotan nilai waste berdasarkan kuesioner menggunakan VALSAT. Waste juga diidentifikasi menggunakan fault tree analysis yang selanjutnya dilakukan perhitungan nilai kritis waste menggunakan FMEA kemudian dilakukan rekomendasi perbaikan menggunakan pendekatan 5W+1H. Hasil perhitungan berdasarkan data yang dikumpulkan, didapatkan bahwa total lead time pengerjaan perawatan kereta yang sebelumnya sebesar 995 menit menjadi 873 menit. Dengan presentase dari value added activity sebesar 93% dan non – necessary value adding sebesar 7%. Dan berdasarkan analisa FMEA didapatkan bahwa waste kritis yang diperlukan perbaikan adalah waste unnecessary motion dengan skor RPN sebesar 140.
Manufacturing Process Application for Lecture Chair Akhmad Nidhomuz Zaman; Santika Sari
Tibuana Vol 4 No 01 (2021): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.4.01.3172.6-22

Abstract

A Learning environment is a place where the learning process takes place. In the implementation of the learning process, most student activities are carried out in a sitting position. Therefore the conditions and seating arrangements, the shape of the chairs, the various equipment and facilities that support the teaching and learning process must be a concern. An uncomfortable sitting position can affect the quality of learning. Also, uncomfortable lecture chairs will affect the user's concentration in learning so that this condition will accelerate the onset of fatigue. The application of the production process that we carried out for the manufacture of our redesigned lecture chairs (flexible chair) has been produced with a total time of 370 minutes with parts, namely, the mainframe, headrests, leg rests, back frame, and supporting materials with a total of 5 operators. We hope that this article can help other fellow students to produce an item and make an analysis of the production process.
LEAN SERVICE APPROACH TO THE MAINTENANCE PROCESS OF CONSUMER PACKING MACHINE AT PT. BFM Santika Sari; Berliana Sihotang; Nur Fajriah; Akhmad Nidhomuz Zaman
Journal of Industrial Engineering Management Vol 6, No 2 (2021): Journal of Industrial Engineering Management Vol. 6 No. 2
Publisher : Center for Study and Journal Management FTI UMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jiem.v6i2.687

Abstract

PT.BFM is a leading wheat mill in Indonesia and is also the first and largest producer wheat flour producer in Indonesia. This factory is very concerned about the quality of its products so the engineer must provide services by maintaining the machine to meet customer demand and maintain product quality well. To maintain customer confidence on the part of the engineer certainly must pay attention to the process of maintaining the machine itself, because the machine used must have waste. This study aims to identify waste and provide recommendations for improvement that aim to reduce the waste that occurs. By using the Lean Concept approach which is more dominant towards Lean Manufacturing and Six Sigma, so that this research can combine waste reduction with quality control using the DMAIC stage. That way the machine maintenance process can improve efficiency and improve quality. The study began by describing the Big Picture Mapping and weighting of waste values based on a questionnaire using VALSAT. Waste was also identified using FMEA to calculate the critical value of waste then a recommendation for improvement was carried out using 5W + 1H. Calculation results from processing data from data that has been collected, it was found that the total processing time which was previously 76,895 seconds to 57,342,497 seconds. The results of Value Added Activity are 85.233%, Non-Necessary Value Adding is 8.67% and Non-Value Added is 6.10%. FMEA analysis results obtained that critical waste that needs improvement is waste waiting with a score of 160