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All Journal JATI UNIK : Jurnal Ilmiah Teknik dan Manajemen Industri Metode : Jurnal Teknik Industri
Apriliana Sari Wulandari, Indah
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Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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INTEGRASI VSM DAN VALSAT DI LEAN MANUFACTURING UNTUK KURANGI WASTE DI PT. SPLN Kurniawan, Moh. Arif; Apriliana Sari Wulandari, Indah
Metode : Jurnal Teknik Industri Vol. 10 No. 2 (2024): Jurnal Metode
Publisher : Universitas Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33506/mt.v10i2.3448

Abstract

Maximizing productivity and quality of products produced by a company is very necessary, an approach that can optimize the use of human resources and production equipment. An approach that has proven to be very good at reducing waste is Lean Manufacturing. In this research, the method used to minimize waste at PT. SPLN is Value Stream Mapping (VSM) and Value Stream Analysis Tools (VALSAT). VSM is used to view the condition map of each workstation in the company. Waste reduction is carried out using one of the tools from VALSAT, namely process activity mapping (PAM). After the improvements were made, there was a significant change in the number of cable trays produced, increasing from 138 units to 172 units. Number of Necessary but Not Value Added (NNVA) found in PT's production process. SPLN is 70.54% followed by Non Value Added (NVA) with a total of 29.04% and value added (VA) of 0.03%. The proposed improvement is to reduce the amount of time for NNVA and NVA activities or eliminate them.
Optimalisasi Preventive Maintenance Ground Power Unit pada Perawatan Pesawat Udara di PT. IAA AMO Menggunakan Metode FMEA Kurniawan, Sandi; Apriliana Sari Wulandari, Indah; Sukmono, Tedjo
JATI UNIK : Jurnal Ilmiah Teknik dan Manajemen Industri Vol. 8 No. 1 (2024): October
Publisher : Industrial Engineering, Engineering of Faculty, Universitas Kadiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30737/jatiunik.v8i1.5535

Abstract

High operational costs and downtime risks can affect industry efficiency making equipment maintenance optimization an urgent need. PT. IAA AMO, as a manufacturing industry in the field of aircraft maintenance, faces significant challenges with the low reliability of Ground Power Unit (GPU) engines which only reaches 86%. This has led to an increase in the company's operating costs. The purpose of this study is to optimize Preventive maintenance on the Ground Power Unit (GPU) in aircraft maintenance at PT. IAA AMO using the Failure Mode and Effect Analysis (FMEA) method. The results show that the MTTF of the GPU is 311 hours, while the MTBF is 373 hours. To prevent  sudden breakdowns, preventive maintenance is recommended every 311 hours for non-repairable components  and 373 hours for repairable components. This research offers a more effective maintenance strategy to improve GPU reliability and lower operational costs. This research results in more effective maintenance planning, which not only minimizes downtime and operational costs, but also improves the overall reliability of the GPU machine. With the implementation of FMEA methods and  the right preventive maintenance  strategy, companies can anticipate breakdowns early, extend engine life, and ensure smooth operations in support of aircraft maintenance.
Co-Authors Moh. Arif Kurniawan, Moh. Arif SANDI KURNIAWAN Tedjo Sukmono