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Han Feiyan,Wei Juan,Zhang Chuanwei,Peng Xianlong 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.1
In multi-axis milling of the aviation complex parts, establishing accurate machining process model is a key technology to realize intelligent processing. In order to obtain accurate machining process model of the aviation complex parts, a method based on morphing technology to construct intermediate process models of multi-axis roughing is proposed. Firstly, the theoretical basis for morphing technology is introduced, and the mathematical model of three hermite transfinite interpolation for morphing technology is established. Then the process constraint which impacts the geometry of the intermediate process model is analyzed in morphing technology. According to the analysis of the process constraint to design the process parameters, and the process parameters with constraints are introduced to the morphing technology to construct the process models. Finally, a validation is conducted on a complex aviation parts. The example shows that the method can able to construct the intermediate process models of complex structure parts for multi-axis rough machining under the condition of controlling the machining allowance, and also can shorten the total processing time of the complex parts, to a certain extent, the processing efficiency is improved.
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