普通CAD绘图软件与参数化设计的不同、如何进行参数化设计产品图纸、PDA参数化设计的优点。
The difference of common CAD and the parameterization design, how to plot the parameterization product drawing and the advantages of PDA parameterization design are introduced.
介绍了穿孔机导板系列三维参数化设计的基本过程，及运用计算机进行导板三维参数化设计的必要性和优越性。
The basic process of three-dimensional parameterized design for the piercer guide board series has been described in this article as well as its necessity and superiority with CAD.
文中还通过对参数约束数学模型的分析并结合驱动桥工程化设计过程，设计出搜索算法和参数更新算法。
By analysing the mathematical model and the design process of driving axle, the search algorithm and the parameter update algorithm are given in this dissertation.
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