An improvement of candy soft type manufacturing process using quality function deployment technique: a case study soft candy production industry
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At present, a problem found in the soft candy producing process in the food producing department of Company Case Study is time-consuming roller washing process due to an ineffective washing process. A roller is washed one by one from a total of 10 roller (a set) in one machine. As a result, the operation rates of other producing processes have been forced to delay. The objective of this research is to resolve the problem found in the process of roller washing by designing a machine for washing a set of roller per time. The research begins from examining design concepts of roller washing machine from patents and the current quantity of water and stream used for washing before conducting design of a new soft candy type roller washer machine. And eventually, the efficiency of new roller washer machine is compared with current one. The findings indicate that the newly developed design can reduce washing period from 24.48 minutes/set to 5.56 minutes/set, and increase operation time by 18.92 minutes, or accounting for 77.28 percent. Meanwhile, water quantity used in the process is reduced from 124.82 liters/set to 28.35 liters/set, and stream quantity used in the process is also contracted from 0.83 kilogram/hour/set to 0.18 kilogram/hour/set. This reduction can save expenses equal to 28,795 baht/year. As the budget for making new roller washer machine is 53,000 baht and payback period is only 1.84 year.
- Independent Study