The Application of Swim Lane Diagram for Business Process Improvement

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ณัฏฐวีร์ อินทรเกษม
ยุรพร ศุทธรัตน์
พิทวัส เอื้อสังคมเศรษฐ์


This paper aims to present the result of studying and improving the production process of high gloss overlaying product of a sample company. The current production process to produce high gloss overlaying product was evaluated and simulated using a Swim lane diagram. Afterwards, the diagrams were analyzed through concepts of Problem Analysis, Continuous Process Improvement (CPI) and Business Process Improvement (BPI) to identify problems and areas of improvement. The purposes was to reduce the activities, reduce cost, improve some process efficiency and reduce product waste. The data obtained for the study revealed that the company provided a slow response to the customer in sales offerings; lost the ability to control production planning; had inefficient quality control of raw material and finish goods; and had inappropriate production process procedures that created waste and defects. The results of the business process improvement show that the activities could be reordered and reduced from 23 to 17 activities. The inspection time of raw material reduced 42.89% and the inspection of finished goods reduced to 33.33%. Additionally, the production process with corrective procedures and effective quality controls reduced product waste from 11.15% to 0%. As a result, of the process improvement the company received a reduced cost of 38,636 bath/month or 463,633 baht/year which is approximately about 19.83 % from the previous year.


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