Parametric design and variational design are the key technology in the modern CAD/CAM systems.
参数化、变量化设计已成为现代CAD／CAM系统的核心技术。
The use of CAD/CAM systems and NC machine tools for die and mould manufacturing offers considerable advantages over conventional methods.
针对CAD/CAM系统不能自动生成加工参数的问题，国内外许多学者提出了利用加工过程模拟技术优化加工程序的思想。
However the existing CAD/CAM systems still need processors to determine the processing parameters, and then generate the cutting location source files (CLSF).
但是，国内外现有的CAD／CAM系统仍然需要工艺员来确定加工参数，才能生成刀具位置源文件（CLSF）。
The main work is to realize CAD parameterized mould-making and CAM mould machine programming, simulation and compiling post programme suitable for varied machine-centers of control systems.
主要工作目标：实现模具CAD参数化建模和模具CAM加工编程、仿真； 针对不同控制系统的加工中心完成后置处理程序编制；
The complicated shape of CAM surfaces can require more expensive machining than is required in the manufacture of linkage systems.
复杂形状的凸轮表面可能需要更昂贵的加工比需要在制造的联系制度。
Note that follower systems often involve some links, so that the use of a CAM does not always completely replace a linkage.
请注意，跟随系统往往涉及一些链接，以便使用凸轮并不总是完全取代挂钩。
The formulae of designing the cam profiles for the four different types of cam-follower systems are derived using the proposed relative v…
应用该方法导出了四种不同类型凸轮机构的凸轮廓线的解析表达式，并给出了对应的设计实例。
The formulae of designing the cam profiles for the four different types of cam-follower systems are derived using the proposed relative velocity method$…
应用该方法导出了四种不同类型凸轮机构的凸轮廓线的解析表达式，并给出了对应的设计实例。
Then, XML-based product model data can move across the Internet. Consequently, the bi-directional and seamless integration of various CAD/CAM/CNC systems…
应用XML实现产品信息的网上传递，从而实现网络环境下CAD/CAM/CNC的双向无缝集成。
Then, XML-based product model data can move across the Internet. Consequently, the bi-directional and seamless integration of various CAD/CAM/CNC systems…
应用XML实现产品信息的网上传递，从而实现网络环境下CAD/CAM/CNC的双向无缝集成。
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