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Model-based phase shift optimization of serrated end mills: Minimizing forces and surface location error

机译：锯齿状铣床的基于模型的相移优化：最小化力和表面位置误差

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摘要

Serrated cutting tools emerged for higher chip removal in rough milling operations. In this paper, attention is simultaneously paid to cutting forces and surface quality. The mechanics of the milling system with serrated end-mills was studied using force and surface topography models. A stationary milling force model was developed including the main geometric parameters of the serrated profile. For a complete understanding, a surface topography model was developed to predict the resulting machined surfaces. To ensure reliability and generality, the characterizations of three different tools and respective experimental validations were done. Then, the effect of the phase shift parameter ψ among cutters was set on the target. A search algorithm, combining the results from both models, was proposed to find the best tools that minimize simultaneously forces and roughness. These results are useful for toolmakers in tool design step, as for machinists and process engineers, when it comes choosing the optimum tool parameters.
机译：锯齿状切削刀具出现了粗铣削操作中更高的芯片去除。在本文中，同时关注切割力和表面质量。使用力和表面形貌模型研究了具有锯齿状端铣刀的铣削系统的机制。开发了一种固定铣削力模型，包括锯齿状曲线的主要几何参数。为了完全理解，开发了表面形貌模型以预测所得到的加工表面。为确保可靠性和一般性，完成了三种不同工具和各自的实验验证的特征。然后，在目标上设定了切割器中相移参数ψ的效果。提出了一种搜索算法，组合来自两个模型的结果，以找到最大限度地减少力量和粗糙度的最佳工具。这些结果对于工具设计步骤中的工具制造商非常有用，如机械师和工艺工程师在选择最佳工具参数时。

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