Pengendalian Kualitas Botol 1L dengan Metode Six SIgma di PT. Pacific Medan Industri

Abstract

PT. Pacific Medan Industry is a company in Medan which receives Foreign Capital Investment and engaged in cooking oil processing, Samin oil, shortening, margarine, and bottle packaging.Based on the data of the company, the 1-liter bottle production has a high defective enough.The defective 1-liter bottle often occurs were broken, oblique, leaked, and nonstandard-color bottles.The research aimed to discover factors that causing the defective on the 1-liter bottle. Six Sigma method was used in the research with DMAIC (Define, Measure, Analyze, Improve, and Control). Then, every DMAIC phase was conducted by analyzing and maintaining every 1-liter bottle production. The result revealed that the defective quantities on the 1-liter bottle are 52,604.1667 defect per million opportunity (DPMO) with stigma level of 3.12. Moreover based on Pareto diagram, the most defective level on the 1-liter bottles were broken bottle of 54.85 % ; oblique bottle of 38.71 % ; nonstandard-color bottle of 3.96 % ; leaked bottle of 2.48 %. Furthermore based on fish bone diagram (cause-effect diagram) showed the causeof defectives on the 1-liter bottle. They were less control in raw material, less optimally engine maintenance, and prioritizing operator experience. Thus, some recommendations in the research are to increase engine maintenance and cleanliness, to set a standard work procedure and instruction, and to give training to operators in the production process and engine production maintenance routinely, also to give training to employees in the engine control.