Doctoral thesis, this is intended to improve the performance of a corrugated paper box. The study on the production process of cutting process and the vertically grooved and process override type corrugated box Bread Box (14700) to find a bug in production, and how the assessment and find out ways to improve and edit using tools industrial engineering to determine the orientation.The way to increase efficiency in the production process. A case study of limited partnership, bearing packing winner. Study on method of operation starting from the study of corrugated paper route. Using the flow chart and the chart of the manufacturing process and tools including 7 (7 QC Tools) in the analysis of the cause of the problem. It was found that most of the problems and because the scenes to handle gently moving the position paper. Ball joints move out of position, kling override block print color mobile roller position error. There are no checks for accuracy after working. Before performing an edit that has been compared to the proportion of the damage before and after the operation. The proportion of broken down from 3.80% 7.15% think it is 3.35% decreased after remediation, and there is a decrease in the value of the waste from the rest of the 2, 6, 220.50 baht THB 3262.50 THB 958.00 value is decreased after remediation.
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