The accuracy expression of material information in parts drawing is very important to production of parts. At present, The means and contents of expression of material in 3D digital models of aircraft parts are not suitable and workable. Means and contents of expression of material in 3D digital models of aircraft parts are given ,and it may provide a reference to designer.%零件图样中材料信息的准确表达对零件生产来说非常重要.目前飞机零件三维数模中材料信息的表达现状存在很多问题,很难满足生产的顺利进行.本文对飞机零件三维数模中材料信息的表达提出了一种比较合理的方法,以供设计人员三维数模设计时参考.
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