Wijonarko, Punto (2019) IDENTIFIKASI WASTE DAN USULAN PERBAIKAN PADA PROSES PRODUKSI PULLEY DENGAN PENDEKATAN LEAN MANUFACTURING (Studi Kasus di CV. Bonjor Jaya Utama, Klaten). Other thesis, Universitas Pembangunan Nasional Veteran Yogyakarta.
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Abstract
CV Bonjor Jaya Utama perusahaan manufaktur pengecoran logam.
Produksi pulley setiap minggunya rata-rata 600 pulley, sementara permintaan
690–875 pulley/minggu. Pemenuhan kekurangan 90–275 pulley, dilakukan dengan
menambah jam kerja proses machining. Kecacatan produk setengah jadi pada
lantai produksi mengakibatkan proses tambahan dan proses ulang. Hal tersebut
berdampak pada kekurangan produk jadi dan mengakibatkan resiko penurunan
kepercayaan pelanggan.
Penelitian ini bertujuan untuk mengidentifikasi waste dan mengusulkan
perbaikan proses produksi dengan pendekatan lean manufacturing. Metode yang
digunakan adalah pengukuran waktu kerja menetapkan waktu baku, Value Stream
Mapping menemukan waste dalam value stream, Waste Assessment Model
mengidentifikasi waste, Value Stream Analysis Tools memilih mapping tools dalam
analisis waste, usulan perbaikan proses produksi, dan membuat model siumlasi
mengtahui hasil perbaikan.
Hasil pengolahan data dan analisis hasil, menghasilkan waste terbesar
yaitu waste defect 21,73% dan waste motion 18,36%,. Detail mapping tools terpilih
yaitu Process Activity Mapping 525,77, Supply Chain Response Matrix 304,27, dan
Quality Filter Mapping 215,46. Perbaikan waste defect menggunakan metode Six-
Sigma DMAIC dan waste motion dengan usulan Standard Operation Procedure.
Hasil rekomendasi perbaikan disimulasikan, output simulasi usulan perbaikan
dengan 16 replikasi sebesar 751 pulley/minggu, menunjukan bahwa peningkatan
hasil produksi setelah waste dihilangkan.
Kata Kunci : Lean Manufacturing, Value Stream Mapping, Waste Assessment
Model, Value Stream Analysis Tools
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ABSTRACT
CV Bonjor Jaya Utama a metal casting manufacturing company. Pulley
production a week averages 600 pulley, while demand is 690–875 pulley / week.
Fulfillment of 90-275 pulley deficiencies is done by increasing the working hours
of the machining process. Semi-finished product defects on the production floor
result in additional processes and reprocessing. This has an impact on the shortage
of finished products and results in a risk of decreasing customer trust.
This study aims to identify waste and propose improvements to the
production process with a lean manufacturing approach. The method used is
working time measurement specifies the standard time, Value Stream Mapping
finds waste in the value stream, Waste Assessment Model identifies waste, Value
Stream Analysis Tools selects mapping tools in waste analysis, proposals for
improving the production process, and makes slilation models know the results of
improvements.
The results of data processing and results analysis, produce the biggest
waste, namely 21.73% waste defect and 18.36% waste motion. Details of selected
mapping tools are 525.77 Process Activity Mapping, Supply Chain Response
Matrix 304.27, and Quality Filter Mapping 215.46. Waste defect improvement uses
the DMAIC and waste motion Six-Sigma methods with the proposed Standard
Operation Procedure. The results of the repair recommendations are simulated, the
simulation output of proposed improvements with 16 replications is 751 pulley /
week, indicating that the increase in production results after waste is removed.
Keywords: Lean Manufacturing, Value Stream Mapping, Waste Assessment
Model, Value Stream Analysis Tools
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | T Technology > T Technology (General) |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Sarimin Sarimin |
| Date Deposited: | 11 Jan 2019 02:30 |
| Last Modified: | 11 Jan 2019 02:30 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/17801 |
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