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首页> 外文会议>International Conference on e-Engineering and Digital Enterprise Technology(e-ENGDET); 20040901-03; Leeds Metropolitan University(GB) >'Subdivision projection method' for detecting gouging interference in three-axis NC machining
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'Subdivision projection method' for detecting gouging interference in three-axis NC machining

机译：“细分投影方法”用于检测三轴数控加工中的气刨干扰

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摘要

The paper presents a "Subdivision Projection Method" for detecting the gouging interference in 3-axis NC machining. Firstly, the machining surface and the partial cutter under the cylinder are triangularly subdivided, respectively obtaining two sets of triangular plane pieces. Secondly, it is assumed that the cutter is located at an interference-free initial position above the machining surface, imaged that the cutter moves along the axis vector towards the part surface, and "halts" at the first contact point between the cutter and the part surface. Moreover, the solution of this first contact point can be simplified as the seeking of an intersection point between two sets of triangular pieces. In order to greatly decrease the interference-measuring time, the concept of "Interference Characteristic Point" is introduced, and the method of primary-detection and detailed-detection together with the "containing boxes" technology are adopted. The aim of "Subdivision Projection Method" is to provide a general algorithm for inference avoidance in 3-axis NC machining.
机译：本文提出了一种“细分投影方法”，用于检测3轴NC加工中的气刨干扰。首先，将加工表面和圆柱体下方的局部刀具细分为三角形，分别获得两组三角形平面件。其次，假设刀具位于加工表面上方的无干扰初始位置，成像时刀具沿轴矢量朝着零件表面移动，并在刀具和工件之间的第一接触点“停止”零件表面。此外，该第一接触点的解决方案可以简化为寻找两组三角形件之间的交点。为了大大减少干扰测量时间，引入了“干扰特征点”的概念，并采用了“主检测”和“详细检测”的方法以及“容纳盒”技术。 “细分投影方法”的目的是为3轴NC加工提供一种避免推理的通用算法。

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