Pratiwi, Zuyyin Inesa (2018) Pengendalian Kualitas Multivariat Pada Produksi Rokok “W” di PT. I. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Kualitas produk merupakan kunci untuk dapat bersaing dalam dunia industri. Penerapan pengendalian kualitas dengan ilmu statistika dalam peningkatan kualitas merupakan hal yang disarankan menurut metodologi six sigma. Diagram kendali merupakan metode yang digunakan untuk mengetahui variabilitas dan rata-rata proses produksi suatu produk. Penelitian ini mengambil permasalahan pengendalian kualitas produksi rokok “W” di PT. I yang diproduksi secara manual. Karakteristik kualitas yang digunakan berat rokok dan pressure drop yang saling berhubungan sehingga analisis yang akan digunakan adalah diagram kendali M dan T2Hotelling untuk mengetahui kebaikan proses produksi rokok W. Hasil dari analisis diagram kendali M dan T2Hotelling variabilitas dan rata-rata proses terkendali secara statistik. Kapabilitas proses menunjukkan bahwa presisi proses telah baik tetapi target (akurasi) belum tepenuhi. diakibat oleh berat bahan baku yang berkurang. Selain dari bahan baku, penyebab lain yaitu usia, kondisi ruang kerja yang tidak kondusif, alat tidak diganti berkala, dan metode inspeksi sederhana.=====================================================================================Product quality is the key to compete in the industry world. The application of quality control by statistics in quality improvement is suggested according to the Six Sigma methodology. Control chart is a method used to determine the variability and the average production process of a product. This study took the issue of quality control of “W” cigarette production which is produced manually in I company. The quality characteristics used are cigarette weight and pressure drop that are correlated so that the analysis used is the control chart of Moving Range and Individual, M and T2Hotelling control chart. Moreover, it aims to know the goodness of W cigarette production process. The results of the analysis of the control chart M and T2Hotelling variability and the average process that are controlled statistically, process capability shows that the precision of the process has been good already but the target (accuracy) has not been met due to the reduced raw material weight. Apart from the raw materials, the other causes are age, the workspace that is not conducive, the tools which are not replaced periodically, and the method of simple inspection.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Diagram Ishikawa, Diagram Kendali M, Diagram Kendali T2Hotelling, Rokok W |
| Subjects: | T Technology > TS Manufactures > TS156 Quality Control. QFD. Taguchi methods (Quality control) |
| Divisions: | Faculty of Mathematics and Science > Statistics > 49201-(S1) Undergraduate Thesis |
| Depositing User: | Zuyyin Inesa Pratiwi |
| Date Deposited: | 18 Jul 2021 22:10 |
| Last Modified: | 18 Jul 2021 22:10 |
| URI: | http://repository.its.ac.id/id/eprint/57320 |
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