Analisis dan Pengendalian Kualitas Produk Biji Plastik Menggunakan Metode DMAIC (Studi Kasus UD. Harmoni Plastik). (Analysis and Quality Control of Plastic Seed Products Using the DMAIC Method (Case Study of UD. Harmoni Plastik)).

Ubaidillah, Ubaidillah (2023) Analisis dan Pengendalian Kualitas Produk Biji Plastik Menggunakan Metode DMAIC (Studi Kasus UD. Harmoni Plastik). (Analysis and Quality Control of Plastic Seed Products Using the DMAIC Method (Case Study of UD. Harmoni Plastik)). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.

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Abstract

This research was conducted at UD. Harmoni Plastik is an industrial company engaged in the production of recycled plastic which is made into plastic pellets. The problem with this company is the high number of defects that exceed the standardized limit of defects in the company by 2%. The purpose of conducting an analysis of plastic pellet product quality control is to analyze and find out the causes of defects in plastic pellet products. Analysis of quality control using the DMAIC method includes define, measure, analyze, improvement, and control using quality seven tools including check sheets, histograms, Pareto diagrams, scatter diagrams, control charts, and fishbone diagrams with additional 5W+1H and five-m analysis checklist. The results of the pareto diagram from data processing show that the type of protrusion defect is 69.56% more dominant than the type of connecting defect which is 30.44%. Based on the results of the sample plotting p-chart for the January and September periods which were out of control limits, namely in March, April, July and August, the data came out of the BKA/UCL control limits of 0.02649 and BKB/LCL of 0.02395. Factors causing uncontrolled production processes include machine, human, material, environmental and method factors. The most dominant causal factors are machine factors which often cause damage and break down time on the machine and method factors such as lack of mixing of raw materials, temperature regulation, and replacement of machine filters which result in defects in the plastic pellets. Based on the implementation of the improvement, the cost of the quality loss function (QLF) was obtained from the calculation results in March with a loss function value per kg of Rp. 75 kg, then this shows that in one kilogram of plastic pellets at UD. Harmoni Plastik suffered a loss of Rp. 75kg. Furthermore, the results of the loss function loss value per day are Rp. 438,188 and a loss function per month of Rp. 10,820,554. Key word: Quality, DMAIC, Quality Seven Tools, 5W+1H Analysis, and Five-M Checklist.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Quality, DMAIC, Quality Seven Tools, 5W+1H Analysis, and Five-M Checklist.
Subjects:	T Technology > TS Manufactures
Divisions:	Fakultas Teknik > Program Studi Teknik Industri
Depositing User:	1411900212 Ubaidillah Ubaidillah
Date Deposited:	26 Sep 2023 03:39
Last Modified:	26 Sep 2023 03:39
URI:	http://repository.untag-sby.ac.id/id/eprint/26949

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