MAULANA, GIVARI FAJAR (2020) ANALISIS PERBAIKAN KUALITAS PRODUK MUFFLER DENGAN PENDEKATAN SIX SIGMA PADA PERUSAHAAN SPAREPART OTOMOTIF. S1 thesis, Universitas Mercu Buana Bekasi.
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Abstract
ABSTRAK Perusahaan yang bergerak dibidang manufacturing sparepart otomotif dengan produk yang dihasilkan adalah produk muffler model 2DP-20 mengalami kecacatan sebesar 4% dari total produksi periode Januari–Desember 2019. Oleh karena itu digunakan metode Six Sigma dengan pendekatan DMAIC yang bertujuan untuk menentukan jenis defect terbanyak dengan persentase terbesar, mengidentifikasi faktor penyebab defect terbanyak serta memberikan usulan perbaikan untuk mengurangi defect. Setelah dilakukan perhitungan dan analisis menggunakan metode DMAIC, diketahui level sigma Perusahaan adalah 4,29 dan jenis defect dengan persentase terbesar adalah Belang yaitu sebesar 52% berdasarkan hasil dari perhitungan Diagram Pareto, selanjutnya digunakan fishbone diagram dan scoring FMEA sehingga diketahui penyebab terjadinya defect Belang serta nilai RPN yaitu dari Man Power (kurangnya skill operator RPN 168 dan kurang edukasi tentang defect produk RPN 80), Material (material kotor RPN 36 dan hasil shotblast tidak rata RPN 27), Method (posisi pemasangan muffler tidak pas RPN 140, jarak penempatan hanger terlalu dekat RPN 288 dan cara painting tidak sesuai SOP RPN 180), Machine (spray gun macet RPN 120 dan viscosity terlalu encer RPN 80), Environment (tetesan oli kemuffler dari conveyor painting RPN 18). Tahap improve diberikan usulan dengan melakukan modifikasi hanger dan membuat tanda jarak pada gantungan hanger serta dengan melakukan training untuk operator tentang SOP painting. Pada tahap control disarankan agar diadakan pengawasan terhadap operator oleh leader, operator disarankan melakukan pengecekan ulang muffler saat dicat serta Perusahaan perlu mengadakan training secara berkala untuk meningkatkan skill operator dan pemahaman SOP. Kata Kunci: Kualitas, Six Sigma, Defect, DMAIC, FMEA ABSTRACT A company engaged in the manufacture of automotive parts, with a 2DP-20 exhaust model, experienced a defect of 4% of the total production for the January-December 2019 period. Therefore, the Six Sigma method with the DMAIC approach is used which aims to determine the most types of defects with the largest percentage, identify the factors that cause the most defects and provide recommendations for improvements to reduce defects. After calculating and analyzing using the DMAIC method, it is known that the Company's sigma level is 4.29 and the type of defect with the largest percentage is Striped, namely 52% based on the calculation of the Pareto Diagram. Next the fishbone diagram and FMEA scoring were used so that the causes of striped defects and the RPN value were used, namely from Man Power (lack of operator skills RPN 168 and lack of education about defects in RPN 80 products), Material (dirty material RPN 36 and uneven shotblast results RPN 27), Method (position of muffler installation is not right RPN 140, distance of hanger placement is too close RPN 288 and method of painting is not according to SOP RPN 180), Machine (spray gun is stuck RPN 120 and viscosity is too runny RPN 80), Environment (oil drops to mufflers from conveyor painting RPN 18) The improvement phase is given an alternative proposal by modifying the hanger and making a distance mark on the hanger as well as by conducting training for operators on painting SOP. At the control stage it is recommended that there is operator supervision by the leader, the operator is advised to double-check the muffler when painted and the Company needs to hold regular training to improve operator skills and understanding of the SOP. Keywords: Quality, Six Sigma, Defect, DMAIC, FMEA
| Item Type: | Thesis (S1) |
|---|---|
| Call Number CD: | FT/IND 20 028 |
| NIM/NIDN Creators: | 41616210021 |
| Uncontrolled Keywords: | Kata Kunci: Kualitas, Six Sigma, Defect, DMAIC, FMEA |
| Subjects: | 600 Technology/Teknologi > 650 Management, Public Relations, Business and Auxiliary Service/Manajemen, Hubungan Masyarakat, Bisnis dan Ilmu yang Berkaitan > 658 General Management/Manajemen Umum > 658.5 Management of Production/Manajemen Produksi |
| Divisions: | Fakultas Teknik > Teknik Industri |
| Depositing User: | siti maisyaroh |
| Date Deposited: | 20 Apr 2022 07:12 |
| Last Modified: | 20 Apr 2022 07:12 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/60245 |
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