基于慢工具伺服器的HUD自由形表面模具核心的超精密加工过程优化
Tianji Xing1, Naiming Qi2, Huanming Gao3
1Center for Precision Engineering, Harbin Institute of Technology, Harbin 150001, China.
Micromachines
|February 27, 2026
概括
本研究介绍了一种针对头部显示器 (HUD) 光学元件的超精密加工的优化框架. 该研究成功制造了一种高精度的自由形表面模具核心,这对于紧和高质量的HUD系统至关重要.
科学领域:
- 光学工程是指光学工程.
- 制造业 制造技术 制造技术
- 精密工程 精密工程是指精密的工程.
背景情况:
- 头顶显示器 (HUD) 技术依赖于光学自由形镜子,用于紧的系统和高图像质量.
- 这些自由形镜子的复杂形状带来了极高精度制造的重大挑战.
- 开发高效的制造工艺对于推进HUD技术至关重要.
研究的目的:
- 提出一个系统的优化框架,用于HUD光学自由形模具核心的超精密加工.
- 为了应对制造HUD复杂,大孔径自由形光学元件的挑战.
- 为高质量的HUD光学元件制造提供可行的工艺解决方案.
主要方法:
- 使用XY多项式自由形表面模型设计了一个离轴三镜HUD系统.
- 开发了一种混合轨迹规划方法 (等距离投射和立方螺纹插曲) 用于单点钻石 (SPDT) 慢工具伺服器 (STS).
- 集成的表面设计,工具路径规划,振动分析和过程参数优化.
主要成果:
- 澄清了工具参数的选择标准,如工具鼻半径和有效切割角度.
- 量化揭示了Z轴振动对表面粗性和波状性的影响.
- 通过超精确的转实验和机器上的测量,成功制造出高精度的自由形表面模具核心.
结论:
- 提出的系统优化框架对于HUD光学自由形模具核心的超精密加工是有效的和可行的.
- 开发的工艺解决方案为高质量的HUD光学元件制造提供了必要的技术支持.
- 这项研究有助于克服汽车HUD的先进光学元件的制造挑战.
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