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Perbaikan kualitas menggunakan metode six sigma pada produk panel audio car di PT. Toyoplas Manufacturing Indonesia


Oleh : Intan Rahmawati, Dorina Hetharia, Debbie Kemala Sari

Info Katalog

Status Verifikasi : Sudah

Link :

Subyek : Commercial products - Quality control;Six sigma (Quality control standard)

Penerbit : FTI - Usakti

Kota Terbit : Jakarta

Tahun Terbit : 2021

Halaman : 19, p.


File Repositori
No. Nama File Ukuran (KB) Status
1. 2021_MD_TI_-Perbaikan-kualitas-menggunakan-metode-six-sigma-_-Intan-_-Dorina_-Debbie.pdf 9961.42

P PT. Toyoplas Manufacturing Indonesia adalah perusahaan manufaktur yang bergerak dibidang injeksi plastik, memproduksi berbagai jenis part automotive, car audio, dan mechanic electronics. Permasalahan yang terjadi adalah tingkat kecacatan produk Panel Audio Car tinggi dan melebihi batas toleransi perusahaan, yaitu 3%. Penelitian ini bertujuan untuk meningkatkan kualitas dan mengurangi tingkat kecacatan Panel Audio Car menggunakan metode Six Sigma tahapan Define, Measure, Analyze, Improve, Control. Didapatkan 7 Critical to Quality, yaitu Dirty, Broken, Gas Mark, Material Chip, Flashes, Scratch, dan Flow Mark. Terdapat 24489.8 kemungkinan produksi Panel Audio Car menghasilkan kegagalan setiap satu juta kesempatan dan tingkat sigma 3.47 sigma, berarti bahwa proses produksi Panel Audio Car berada di atas rata-rata nilai sigma industri di Indonesia. Didapatkan 80% kecacatan paling dominan adalah Dirty, Flow Mark, dan Scratch. Dibuat fishbone diagram dan Failure Mode and Effect Analysis, didapatkan nilai Risk Priority Number tertinggi dari kegagalan Dirty, Flow Mark, dan Scratch, yaitu 336, 280, dan 252. Berdasarkan Fault Tree Analysis, nilai probabilitas tertinggi penyebab kegagalan adalah jadwal pembersihan tidak dijalankan sesuai arahan perusahaan yaitu 0.45, operator kurang menjalankan Standar Operasional Prosedur dengan benar yaitu 0.3, dan tidak terdapat aturan untuk peletakkan produk yaitu 0.35. Diberikan usulan perbaikan pembersihan mesin secara harian dengan menggunakan form sebagai alat control, mengadakan pelatihan untuk operator setiap 3 bulan sekali, dan SOP untuk peletakkan produk. Implementasi usulan dilakukan selama 6 hari, diperoleh nilai DPMO dan tingkat sigma sebesar 21768.71 dan 3.52 sigma. Sehingga dapat disimpulkan bahwa terjadi penurunan nilai DPMO sebesar 2721.09 dan peningkatan nilai sigma sebesar 0.05 sigma.

P PT. Toyoplas Manufacturing Indonesia is a manufacturing company engaged in plastic injection, producing various types of automotive parts, car audio, and mechanic electronics. The problem that occurs is that the defect level of the Car Audio Panel product is high and exceeds the company's tolerance limit, which is 3%. This study aims to improve the quality and reduce the level of disability of the Car Audio Panel using the Six Sigma method in the stages of Define, Measure, Analyze, Improve, Control. Obtained 7 Critical to Quality, namely Dirty, Broken, Gas Mark, Material Chip, Flashes, Scratch, and Flow Mark. There are 24489.8 possibilities that the production of Car Audio Panels results in failure every one million opportunities and the sigma level is 3.47 sigma, meaning that the Car Audio Panel production process is above the average sigma value of the industry in Indonesia. Obtained 80% of the most dominant defects are Dirty, Flow Mark, and Scratch. Created a fishbone diagram and a Failure Mode and Effect Analysis, the highest Risk Priority Number values ​​were obtained from the failure of Dirty, Flow Mark, and Scratch, namely 336, 280, and 252.Based on the Fault Tree Analysis, the highest probability value for failure is that the cleaning schedule is not executed accordingly the company's direction is 0.45, the operator is not running the Standard Operating Procedure correctly, namely 0.3, and there are no rules for product placement, namely 0.35. Proposals are given to improve daily cleaning of machines using forms as a control tool, provide training for operators every 3 months, and SOP for product laying. Implementation of the proposal was carried out for 6 days, obtained DPMO values ​​and sigma levels of 21768.71 and 3.52 sigma. So it can be concluded that there is a decrease in the DPMO value of 2721.09 and an increase in the sigma value of 0.05 sigma.

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