文章摘要
Compression Test and Analysis of Solid Sealing Frame for Rail Vehicle Air Conditioner
Received:October 24, 2022  Revised:October 24, 2022
DOI：10.12136/j.issn.1000-890X.2024.04.0299
Key Words: rail vehicle air conditioner；sealing frame；EPDM；compression test
Author NameAffiliationE-mail
BI Yanliang* Shandong Langjin Technology Co.，Ltd biyanliang@longertek.com 
JIANG Xiaotian Shandong Langjin Technology Co.，Ltd  
WANG Linhua Shandong Langjin Technology Co.，Ltd  
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Abstract:
      The compression test and analysis were conducted on the solid sealing frame（referred to as the sealing frame，using EPDM as the main material） of rail vehicle air conditioner.The results showed that if the compression rate of the sealing frame exceeded 50%，irreversible deformation would occur.In actual use，it was necessary to control the compression ratio of the sealing frame to avoid damage of the sealing frame caused by excessive compression.Under 25% compression rate，the compression force of the sealing frame was approximately linearly related to the centerline total length.By using the compression force calculation formula at any size and compression amount（compression ratio less than 30%），the theoretical calculation of the compression force of the sealing frame could be carried out in advance，effectively avoiding the problem of unqualified air conditioning installation.
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