Minimizing soft tube defect level using six sigma method at PT Era Variasi Intertika

Abstract

The purpose of this research is to examine the level of sigma that has been achieved in the production of soft tube product, determine factors caused the defect of soft tube production, provide suggestions for improvements to reduce defective products, and estimate the sigma level that will be achieved by PT Era Variasi Intertika in implementing the suggestions. The research method used was mix of qualitative and quantitative methods. The data analysis method used is Six Sigma Method using DMAIC (Define-Measure-Analyze-Improve-Control) steps. From data analysis, the sigma level achieved by the company is 3.52. The main factors causing defects of soft tube production in PT Era Variasi Intertika are problem of blanket printing, unclean production area, temperature of sealing machine which is not high enough, broken molding part in printing machine, careless employee, and machine error. The estimated sigma level that will be achieved by company when applying suggestions of improvement is 4.37. The defect will be reduced by 23.41%. Furthermore, doing these suggestions will decrease the risk of defect products that consumers will receive so the customer satisfaction will also increase.