Analysis of the Effect of Seven Wastes in Lean Process on Operational Efficiency of OTOP Products in Mae Lao District Chiang Rai

Abstract

This research aimed to analyze the influence of seven wastes of production process in lean manufacturing affecting the OTOP products operational efficiency in Mae Lao district, Chiang Rai province. The target consisted of 13 OTOP product groups in Mae Lao district, Chiang Rai province by selecting a specific sample (Purposive Sampling). There are five group of the people who are most involved in the production process; Group President, Group Vice President and three people in production department, totaling 65. The instrument used for collecting data was questionnaire. The data was statistically analyzed in term of advanced statistics to find relationships by using multiple-regression analysis. The result of this study found that the seven wasteful factors included excessive movement, waiting for work, inefficient processes, too much waste production, overproduction, and transportation have negative effect on operational efficiency with a statistically significant level of 0.05.