一种基于水平集的工艺规划方法,用于添加和减去混合制造具有内腔腔的流通道
Lei Li1,2, Guangfei Xu3, Haonan Ji3
1State Key Laboratory of Advanced Equipment and Technology for Metal Forming, School of Mechanical Engineering, Shandong University, Jinan, China. lei_li@sdu.edu.cn.
Scientific reports
|December 4, 2025
概括
本研究介绍了优化液压流通道的制造策略,提高性能并使制造成为可能. 该方法确保了复杂设计的可制造性,降低了压力下降79.41%.
科学领域:
- 机械工程 机械工程
- 制造业 制造技术 制造技术
- 计算流体动力学的流体动力学.
背景情况:
- 优化液压系统流通道对于性能和轻量化至关重要.
- 当前的优化方法往往忽视了可制造性,导致不切实际的设计.
- 增减混合制造 (ASHM) 为复杂的几何形状提供了潜力,但需要先进的工艺规划.
研究的目的:
- 为ASHM开发一个基于水平设置的流程规划策略,以优化内部流通道.
- 为应对机器学习产生的流通道设计的可制造性挑战.
- 为了实际应用,将流通道优化与制造约束相结合.
主要方法:
- 流通道的细分成线性和曲的部分,基于内部壁的特征.
- 将3D模型转换为2D特征图像,用于水平设置函数演变.
- 整合水平设置演变与工具路径约束,用于自动识别制造区域和分配操作 (增量/减量).
- 循序渐进地确定添加和减去的过程开始/结束位置,用于全面的过程规划.
主要成果:
- 为复杂的流通道创建了一个受制造能力限制的工艺计划.
- 提出的方法成功分配了基于几何和工具路径约束的加法和减法运算.
- 一个对液压分流器的案例研究显示,压力下降减少了79.41%.
- 验证了加工精度和工具路径规划可行性.
结论:
- 基于水平集的流程规划策略有效地解决了ASHM优化流通道的可制造性挑战.
- 该方法使高性能,轻量化液压元件的实际制造成为可能.
- 这种方法弥合了设计优化和内部流通道的现实世界制造之间的差距.
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