Improving the efficiency of the wood pallet production process: Case study Chobthakit Parawood Limited Partnership
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Abstract
The purpose of this research is to study the production process of wooden pallets, causes of the problems in such process and propose the guidelines for reducing waste. The 7 Quality Control Tools (7 QC tools) have been used to record the data and compare the results before and after the improvements. The results showed that the number of defects found in the process from June – August, 2022 were 1946, which accounted for 448,800 baht. The main and sub-causes selected for improvement included five key factors: 1) Man, the main cause was negligent and lack of consistency in the workplace. The minor causes were accidental and a frequent lack of attendance at work; 2) Machine, the main cause was that the tools were frequently damaged and dirty. The minor causes were lack of maintenance and not cleaning after use; 3) Method, the major cause was repeated mistakes. The minor cause was lack of knowledge and understanding; 4) Material, the main cause was wood fluff pulp. The minor causes were soft wood and lack of wood quality inspection. Regarding to the proposed guidelines for reducing waste in the wood pallet production process, the amount of waste decreased from 10.38 to 4.65 percent. The cost of waste before the improvements was 448,800 baht and after improvements it was 169,800 baht.
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