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Title A study on cooling efficiency using 1-d analysis code suitable for cooling system of thermoforming
Edition Volume 23, Number 3
Call Number
ISBN/ISSN 1738-494X
Author(s) Zhen-Zhe Li
Kwang-Su Heo
Dong-Ji Xuan
Seoung-Yun Seol
Series Title Journal of Mechanical Science and Technology
GMD Electronic Journal
Language English
Publisher Journal of Mechanical Science and Technology
Publishing Year 2009
Publishing Place Korea
Collation 7p
Abstract/Notes Thermoforming is one of the most versatile and economical processes available for polymer products, but cycle time
and production cost must be continuously reduced in order to improve the competitive power of products. In this study,
water spray cooling was simulated to apply to a cooling system instead of compressed air cooling in order to shorten
the cycle time and reduce the cost of compressed air used in the cooling process. At first, cooling time using compressed
air was predicted in order to check the state of mass production. In the following step, the ratio of removed
energy by air cooling or water spray cooling among the total removed energy was found by using 1-D analysis code of
the cooling system under the condition of checking the possibility of conversion from 2-D to 1-D problem. The analysis
results using water spray cooling show that cycle time can be reduced because of high cooling efficiency of water
spray, and cost of production caused by using compressed air can be reduced by decreasing the amount of the used
compressed air. The 1-D analysis code can be widely used in the design of a thermoforming cooling system, and parameters
of the thermoforming process can be modified based on the recommended data suitable for a cooling system
of thermoforming.
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