Implementasi Lean Six Sigma Dalam Meningkatkan Total Output Pada Proses Produksi Polyols

Pratana, Ivan (2019) Implementasi Lean Six Sigma Dalam Meningkatkan Total Output Pada Proses Produksi Polyols. Masters thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

PT.XYZ merupakan pabrik pemanis yang memproduksi sorbitol syrup dan maltitol syrup yang dihasilkan melalui beberapa tahapan proses. Hampir setiap minggu customer melakukan perubahan permintaan sehingga fluktuasi permintaan setiap hari nya cukup tinggi. Selain itu permintaan polyols terus mengalami peningkatan, sedangkan saat ini kemampuan proses produksi lini polyols tidak mampu memenuhi permintaan tersebut sehingga muncul back order setiap bulannya. Hal tersebut menuntut perusahaan agar mampu mengelola sistem produksinya secara kontinyu, efektif dan efisien dengan implementasi lean six sigma dalam mengidentifikasi defect dan waste, memperbaiki defect dan mengurangi waste untuk meningkatkan total output produksi. Identifikasi terhadap waste dilakukan dengan menyusun current state value stream mapping. Sedangkan identifikasi terhadap defect dilakukan dengan bantuan capability and stability analysis terhadap proses -proses yang kritikal di produksi polyols. Data yang diperoleh dianalisa dengan menggunakan cause effect diagram, 5 whys dan pareto diagram sehingga menghasilkan serangkaian rekomendasi perbaikan. Rekomendasi perbaikan tersebut dinilai resiko yang akan timbul dari perubahan yang dilakukan dengan bantuan risk matrix. Hasil perbaikan yang telah diterapkan dilakukan evaluasi hasil implementasinya, dikontrol konsistensinya dan diidentifikasi manfaat perbaikannya. ================================================================================================ PT.XYZ is a sweetener factory producing sorbitol syrup and maltitol syrup which are produced through several process steps. Almost every week customers make changes to demand so that the daily demand fluctuations are quite high. In addition, polyols demand continues to increase, while the current polyols production process line are not able to meet the demand so that the back orders appear every month. It requires the company to be able to manage its production system continuously, effectively and efficiently by implementing lean six sigma in identifying defect and waste, fixing defect and reducing waste to increase production total output. Identification of waste was done by arranging the current state value stream mapping. While the identification of defect was done on critical processes in polyols production with capability and stability analysis. The data obtained was analyzed by using the cause effect diagram, 5 whys, and pareto diagram to produce a series of improvement recommendations. Recommendations for improvement were assessed the risks that will arise from changes made through risk matrix tool. The result of the improvements that have been implemented are evaluated on the implementation, controlled for the result consistency and identified the benefits of improvement.

Item Type: Thesis (Masters)
Additional Information: RTMT 658.562 Par I-1 2018
Uncontrolled Keywords: Lean Six Sigma, Value Stream Mapping, Capability Analysis, Stability Analysis, Cause Effect Diagram, Pareto Diagram, Histogram, Risk Matrix
Subjects: A General Works > AI Indexes (General)
A General Works > AI Indexes (General)

H Social Sciences > HD Industries. Land use. Labor > HD9980.5 Service industries--Quality control.
Divisions: Faculty of Creative Design and Digital Business (CREABIZ) > Technology Management > 61101-(S2) Master Thesis
Depositing User: Ivan Partana
Date Deposited: 17 Sep 2021 07:38
Last Modified: 17 Sep 2021 07:38
URI: https://repository.its.ac.id/id/eprint/60346

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