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微小型单头错齿滚刀滚齿切削过程建模与仿真

Keywords: 微小型滚刀,设计,数学模型,有限元分析

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Abstract:

根据空间齿轮啮合原理,建立了微小型新结构齿轮滚刀-单头错齿滚刀的滚齿过程数学模型;以单个齿槽为研究对象,借助CAD环境的布尔运算功能,仿真了滚刀每个刀齿在其展成位置处产生的未变形切屑的实体几何形状以及瞬时齿槽的实体几何形状;将CAD环境中产生的瞬时齿槽导入DEFORM-3D,仿真了典型刀齿滚切齿轮齿槽时的切屑形成和流动机理,得到了每一瞬时刀齿与齿坯上的等效应力分布图.

References

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