Quality improvement using factorial design: a case study in manufacturing company

Mohd Jamil, Jamilah (2015) Quality improvement using factorial design: a case study in manufacturing company. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this study is to improve the quality of sugar in Gula Felda Perlis Factory Sdn. Bhd. by maximizing the yield of sugar in standard size. Boiling process is one of the process involve in sugar producing. Boiling has been selected after done with observation and discussion with person that have experience in the boiling process. In addition, process boiling is one of the process that contribute to the quality problem. There are three objectives of this project. First, to identify and analyze a list of input variables or parameter in boiling process which suppose to have an effect to the maximum yield of sugar. The purpose of this project is to study the flow process of boiling and identify the factor or parameter that influence the output of the process. Secondly, to conduct experiments using factorial design. The purpose is to build the design of experiment and know all the interaction of of each factor. Then, the result of experiment is analyzed by using the design expert to know the result of ANOVA, regression model and graphical result. This software gives more advantage to the user because it can work with the fast result from the analysis. By using this software, the optimal setting value of boiling process can be determined. Third, to suggest better quality improvement for the boiling process operation based on the result of the experiment. Result from the experiment will be analyzed and use for improvement to the company to maximize the sugar yield.

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