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首页> 外文期刊>Chinese journal of aeronautics >NC Rough Machining of Sculptured Surface Based on Measured Data
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NC Rough Machining of Sculptured Surface Based on Measured Data

机译：基于实测数据的雕刻面数控粗加工

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摘要

A new method for generating tool paths for rough machining of sculptured surface is presented in this paper. The sculptured surface is approximated by a regular mesh of quadrangular facets. A set of equidistant horizontal planes are assigned to intersect the blank of machined part and surface model , resulting in a series of contours, which demarcate the feasible cutting regions of each layer of material removal. The desired cutter path is computed through NC programming and any gouging between the cutter and the part being machined is detected and corrected automatically. The proposed algorithm successfully solves the problem of layered milling for sculptured surface with nested islands.
机译：本文提出了一种用于生成雕刻表面粗加工刀具路径的新方法。雕刻的表面由四边形小面的规则网格近似。分配了一组等距的水平面以与加工零件的毛坯和表面模型相交，从而得到一系列轮廓，这些轮廓划定了材料去除每一层的可行切削区域。所需的铣刀路径是通过NC编程计算得出的，并且铣刀与正在加工的零件之间的任何气刨都会被检测到并自动纠正。该算法成功解决了带有嵌套岛的雕刻表面分层铣削的问题。

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