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首页> 外文会议>International Conference on Manufacturing Research, incorporating >A Tool Path Optimization System for Three-Axis Milling Process Based on Geometric and Physical Simulation
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A Tool Path Optimization System for Three-Axis Milling Process Based on Geometric and Physical Simulation

机译：基于几何和物理仿真的三轴铣削过程工具路径优化系统

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摘要

Higher quality requirements and lower production time are the main thrust behind the development of tool path optimization approach. In this paper, a new NC code optimization system based on virtual manufacturing technology is proposed, which includes three key modules: geometric simulation, physical simulation and NC code optimization. In the geometric simulation module, a general and extensible NC code parsing framework is built and space partitioning modeling approach with voxels is employed to extract cutting parameters in instantaneous machining. While in the physical simulation module, a database recording pre-calibrated cutting force models is established and machining mechanics are predicted. Finally, NC codes are optimized by scheduling the values of feedrate and spindle speed which targets at constant cutting forces and less machining time. Later experiments illustrate that after multi-criteria optimization, the fluctuation of cutting force is reduced and efficiency is improved, which well demonstrates the feasibility and effectiveness of the system.
机译：更高的质量要求和较低的生产时间是工具路径优化方法发展背后的主要推力。本文提出了一种基于虚拟制造技术的新型NC码优化系统，包括三个关键模块：几何模拟，物理仿真和NC码优化。在几何仿真模块中，构建了一般和可扩展的NC码解析框架，并且采用具有体素的空间分区建模方法来提取瞬时加工中的切削参数。虽然在物理仿真模块中，建立了数据库记录预校准切割力模型，并预测加工机械机械。最后，通过调度以恒定的切割力和更少的加工时间来优化NC代码。后来实验说明，在多标准优化之后，减少了切割力的波动，提高了效率，这良好地展示了系统的可行性和有效性。

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