PENERAPAN STATISTICAL PROCESS CONTROL DALAM PENGAWASAN DAN PENGENDALIAN KUALITAS HASIL OLAHAN KERAMIK UNTUK MENGURANGI DEFECT DI PT LUCKY INDAH KERAMIK

JONAH, TIYARA MUGHNI HOMONGGIO (2022) PENERAPAN STATISTICAL PROCESS CONTROL DALAM PENGAWASAN DAN PENGENDALIAN KUALITAS HASIL OLAHAN KERAMIK UNTUK MENGURANGI DEFECT DI PT LUCKY INDAH KERAMIK. S1 thesis, Universitas Mercu Buana Bekasi.

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Abstract

ABSTRAK Penelitian ini bertujuan untuk melakukan pengawasan dan pengendalian kualitas hasil olahan keramik untuk mengurangi defect pada PT Lucky Indah Keramik. Dengan melakukan pengendalian dapat menjadi strategi yang handal agar produknya memiliki keunggulan yang dibutuhkan oleh pasar. Proses produksi piring pada PT Lucky Indah Keramik pun belum maksimal dan terkendali sehingga masih menghasilkan produk defect diatas batas wajar persentase yang ditetapkan perusahaan. Salah satu upaya yang dilakukan untuk mengatasi permasalahan tersebut yaitu dengan menerapkan Statistical Process Control (SPC) dimana alat yang digunakan yaitu checksheet untuk membantu proses pengumpulan data, control chart untuk memantau dan mengevaluasi proses produksi agar tidak berada diluar batas kendali, fishbone diagram untuk mengidentifikasi akar permasalahan yang terjadi dibantu dengan metode why 5 analysis. Dengan bantuan Statistical Process Control (SPC) dan beberapa tindakan perbaikan seperti memodifikasi settingan fixed pada kecepatan conveyor, melakukan validasi ulang terhadap penyettingan conveyor belt, serta membuat instruksi kerja pembersihan dan pemeriksaan pada greenware berhasil membuat proses produksi piring terkendali dan dapat menurunkan jumlah defect dari 6,43% menjadi 2,04%. Kata kunci: Defect, Statistical Process Control (SPC), Checksheet, Fishbone Diagram, Control Chart, 5 why analysis, Kualitas, Pengendalian Kualitas http://digilib.mercubuana.ac.id/ v ABSTRACT This research was aim to control the quality of processed cheramic products to reduce defect at PT Lucky Indah Keramik. By controlling it can be a reliable strategy so that the product has the advantages needed by the market. Plate production process at PT Lucky Indah Ceramics is not yet maximized and controlled so it still produces defective products above the reasonable percentage set by the company. One of the efforts made to overcome these problems is by implementing Statistical Process Control (SPC) where the tool used is a checksheet to assist the data collection process, control chart to monitor and evaluate the production process so that it is not out of control limits, fishbone diagram to identify the root causes that occur assisted by the why 5 analysis method. With the help of Statistical Process Control (SPC) and several corrective actions such as modifying the fixed setting on the conveyor speed, revalidating the conveyor belt settings, as well as making cleaning and inspection work instructions on greenware successfully making the plate production process can be controlled and can reduce the percentage of defects from 6.43% to 2.04%. Keywords: Defect, Statistical Process Control (SPC), Checksheet, Fishbone Diagram, Control Chart, 5 why analysis, Quality, Quality Control

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