Page 97 - 《橡塑技术与装备》2025年7期

测试与分析
TEST AND ANALYSIS

保每批半制品都经过全面检测。增加抽样频率，对关 格的生产工艺过程控制，2024 年 4 月我公司生产
键工序和易出现问题的环节，增加抽样检测的频率， 18×6.50-8 斜交航空轮胎因胎里漏线导致的废品率降
以便及时发现并纠正厚度不达标的问题。 低至 0.7%（3 月胎里漏线废品率 9.6%），该规格产品
外观和质量有了较大提升，生产成本得到了有效控制，
4 结束语 为公司创造了良好的经济效益。
通过增加鼓宽、优化硫化定型工艺设置和严

Analysis and solutions for leakage lines
in aircraft tires (diagonal structure)

Gao Lihui, Li Qiang, Wang Liye, Zheng Zhichao, Ma Lei, Shen Bo
(Shaanxi Yanchang Petroleum Northwest Rubber Co. LTD., Xianyang 712023, Shaanxi, China)

Abstract: This article takes the 18 × 6.50-8 diagonal structure aviation tire as an example to deeply analyze
the causes of tire line leakage and propose corresponding solutions. Research has found that the problem
of tire line leakage mainly occurs in the shoulder area of the tire. Through a detailed analysis of the three key
links of design, process, and production, the following main conclusions are drawn: in terms of design, the
main reason for the leakage of lines in the tire is that the width of the building drum is designed too small; In
terms of process, the unreasonable setting of vulcanization molding height and molding pressure is also an
important factor causing thread leakage in the tire; Production aspect: Failure of on-site process control, such
as insufficient thickness of rubber components in semi-finished products and molding processes, can lead
to the occurrence of wire leakage defects in the tire. In response to the above reasons, this article proposes
specific solutions and verifies their effectiveness through practice. After implementing these measures, the
scrap rate of 18 × 6.50-8 diagonal aviation tires due to thread leakage significantly decreased, production
costs were effectively controlled, and product appearance and quality were significantly improved, creating
considerable economic benefits for the company.
Key words: aviation tires; diagonal tires; leakage lines in aircraft tires; width of building drum
（R-03）

年
2025 第 51 卷 ·49·