设计方法和牙接触模拟 PEEK 卷轴螺纹合器的设计方法和牙接触模拟
Xiangzhen Xue1, Wei Yu1, Kuan Lin1
1School of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
Materials (Basel, Switzerland)
|January 11, 2024
概括
这项研究提出了基于聚乙基 (PEEK) 的无形线的新设计理论,改进了性能和设计规则. 一种新的校准方法和有限元分析优化了PEEK线设计,用于增强的应用.
科学领域:
- 机械工程 机械工程
- 材料科学 材料科学 材料科学
- 聚合物工程 聚合物工程
背景情况:
- 传统的无形线设计依赖于金属材料和既定的经验公式.
- 聚乙基 (PEEK) 具有独特的性能,如高强度和耐化学性,适用于先进的机械元件.
- 现有的无形线设计标准并不完全解决聚合物基材料 (如PEEK) 的特定特性.
研究的目的:
- 开发一种先进的设计理论和校准方法,用于用PEEK材料制造的无形线.
- 通过详细的分析,优化PEEK内置线条的性能和可靠性.
- 为了建立由PEEK制成的圆柱形直牙形螺旋的改进设计规则.
主要方法:
- 为PEEK制定了一个混合设计理论,将国际 (ISO 4156) 和美国 (ANSI B92.2M) 标准与实证公式相结合.
- 开发了一种特定于PEEK的校准方法,考虑到由于粘性弹性的能源消耗及其对温度场校准的影响.
- 使用ABAQUS 2022分析了接触特征,随后进行了有限元模拟,以评估参数影响 (压力角度,模量,长度).
主要成果:
- 开发的PEEK无形线的设计和校准方法通过接触特征分析进行了验证.
- 有限元模拟表明了关键设计参数对线条性能的影响.
- 确定了基于PEEK的无形线的最佳设计配置.
结论:
- 该研究提供了坚实的理论基础,并为PEEK无形线提供了改进的设计方法.
- 优化的设计方法提高了PEEK线条在苛刻的工程应用中的性能和适用性.
- 这项研究有助于推进在机械动力传输系统中使用先进的聚合物材料.
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