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一次法成型工程机械子午线轮胎胎体反包帘线弯曲缺陷的研究
Study on Bending Defect of Carcass Turn-up Cord of Off-The-Road Radial Tire Using One-step Building Process
Received:March 17, 2025  Revised:March 17, 2025
DOI：10.12137/j.issn.2095-5448.2025.11.0644
中文关键词: 工程机械子午线轮胎；一次法成型；硫化；胎体反包帘线弯曲
英文关键词: off-the-road radial tire；one-step building；vulcanization；carcass turn-up cord bending
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Author NameAffiliationE-mail
LIAN Yongsheng* Fengshen Tire Co., Ltd. 1010993271@qq.com 
LI Xiaoming Fengshen Tire Co., Ltd.  
JIAO Yanchao Fengshen Tire Co., Ltd.  
ZHANG Kaikai Fengshen Tire Co., Ltd.  
JIA Yongjun Fengshen Tire Co., Ltd.  
FENG Haizhen Fengshen Tire Co., Ltd.  
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中文摘要:
      研究一次法成型工程机械子午线轮胎胎体反包帘线弯曲缺陷的原因，并提出解决措施。结果表明：胎体反包帘线弯曲可能发生在轮胎的成型工序或硫化工序；成型工序中导致胎体反包帘线弯曲的主要因素有胎圈包布、扣圈过程和反包过程；硫化工序中导致胎体反包帘线弯曲的主要因素为合模过程。
英文摘要:
      The reasons for the carcass turn-up cord bending of off-the-road radial tire using one-step building process were studied and the solutions were proposed.The results indicated that the carcass turn-up cord bending defect might occur during the building and vulcanization processes of tire.The main factors causing carcass turn-up cord bending in the building process included bead wrapping，loop fastening process and reverse wrapping process.The main factor causing carcass turn-up cord bending in the vulcanization process was the molding process.
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