Six Sigma Implementation in Quality Evaluation of Raw Material: A Case Study

Abstract

Abstract The study aims to evaluate the quality level of raw material in order to improve its quality. This study is constructed based on the implementation of six sigma methodology. Six Sigma is one powerful tool that used in this study to identify the problem, determine the quality level, and to develop the improvement comprehensively. Five phases of the model has been structured by stages respectively. Six sigma had been implemented in many kinds of industry, particularly in production process phase. However, there is a challenge to implement the methodology in other phase in supply chain in the context of developing country. The implementation was conducted on receiving raw material process part in the industry. The result showed some defects identified dominantly; damage seed, broken seed, insects, and moldy seed. There are 6734.13 possibilities of raw material in experiencing defect per million opportunities (DPMO). Lack of knowledge of the workers about the raw material and lack of supporting equipment are the two main causes of poor quality of receiving raw material process.

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