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Vol.45, No.0, 51 ~ 63, 2014
Title
A Study on the Process Formation on Women`s Pants Production Line
김진선 Kim Jin-sun , 오순 Oh Soon
Abstract
This study aims to increase the maximum efficiency carried out process formation by operators evaluation and work improvement. To achieve this, analyzed women`s pants production line, measured working time of each processes, and estimated operator`s competency. The results of this study are as follows. 1. The field analysis of an object manufacturer`s, one day working hours of company is 9 hours, workers consisted of 26 persons included product manager. Sewing run the straight-line, special sewing machine processes made out of the company and assembly works were progressed with inside. The average work shifts was 2 or 3 times per month, so it made a difficult of production management. because of short time to work preparation or take a break. 2. Time measurement of each process resulted that the pants of 1 piece required for 83 processes, and the net working time was 2882.1s. The real working time was 3005.8s and operator`s average working time was 166.6s(BPT) in the arrangement and also it took 207.4s(BPT) in the assembly. The rates of used machines in net working time was 27.4% in arrangement process, 14.7% in special machines process and 57.9% in assembly process. 3. Formation efficiency was 83.1% in the arrangement process and 76.3% in the assembly process. So process reformation is required because all of both dissatisfied the basic rate 85%. Also, needed operators calculated to 36 persons. Observation centering around the first yielded efficiency and required workers, and in order to balanced formation of line, a processes shift and divisions carried out. As a result, the efficiency of preparation and arrangement process was 97.3%(loss rate : 2.7%) and the efficiency of piece and assembly process was 87.6%(loss rate :12.4%)
Key Words
생산라인, 공정편성, 편성효율, production line, process formation, formation efficiency
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