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渦卷型墊片機械及密封性能之研究

Study on Mechanical and Sealing Properties for Spiral Wound Gaskets

作者:劉嘉佩
畢業學校:正修科技大學
出版單位:正修科技大學
核准日期:2010-02-10
類型:Electronic Thesis or Dissertation
權限:Copyright information available at source archive--CSU University....

中文摘要

本研究主要是針對渦卷型墊片進行機械性能及密封性能之分析,協助業者達成掌握品質、改善製程之目的。透過系統地進行墊片壓縮及回彈試驗(依GB/T12622-2008試驗方法B)及密封性能試驗(依GB/T12385-2008試驗方法A),分析不同結構及製程參數的渦卷型墊片對其機械及密封性能的影響。由壓縮及回彈試驗結果,顯示目前業者製造之渦卷型墊片品質與規範要求值仍有差距;不同填料之渦卷型墊片,其壓縮及回彈性質迥異。由密封性能試驗(A、B曲線)結果,亦顯示出墊片應力與洩漏率、介質壓力與洩漏率的關係。基本上,墊片應力愈大,介質壓力愈小的情況下,其洩漏率愈小。上述研究結果,可直接提供業者做為後續設計墊片結構參數及調整加工參數之用,進而達到製程改善與最佳化之目標。

英文摘要

This study was carried out for analyzing the mechanical and sealing properties of spiral wound gaskets in order to assist the gasket manufactures to insure quality and make process improvement. Through systematic experiments, such as gasket compression and recovery test (according to GB/T12622-2008 test method B) and sealing performance (according to GB/T12385-2008 test method A), the effect for different structures and process parameters of spiral wound gasket on mechanical and sealing performance can be elucidated. The compression and recovery test results show that the current manufacturing quality of spiral wound gasket does not reach the industrial standard; the spiral wound gaskets with different fillers indicate diverse nature of mechanical and sealing properties. The sealing performance test results show that there are relationships between gasket stress and leakage rate medium pressure and leakage rate. Basically, the greater the gasket stress and the smaller the medium pressure, the smaller the leakage rate. The testing results will be useful to gasket manufacturers for modifying the structural design and adjusting the process parameters of gaskets.


口試委員 - 陳鴻雄

口試委員 - 龔皇光

指導教授 - 熊仁洲

口試委員 - 曾信智


 

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