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STEP-NC数控程序的信息提取与校验方法研究 被引量:2

Extraction and Validation of NC Information from STEP-NC File
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摘要 分析了STEP-NC数据模型及数控程序的组织结构。针对STEP-NC条件下的CAD/CAM/CNC集成,研究了从STEP-NC文件到数控加工之间所涉及的问题和关键技术,包括信息提取、现场工艺规划以及基于工步的刀具轨迹计算方法等。实现了STEP-NC信息的自动提取和刀具轨迹自动生成等主要功能模块的开发。 The STEP-NC data model is overviewed and analyzed. Having identified the major issues for the realization of STEP-compliant NC manufacture of mechanical parts, a method is presented for extracting NC information from a STEP-NC file using the STEP-oriented class libraries, and a framework is outlined for determining the process-related details with respect to CNC manufacture, as well as calculating and graphically validating the toolpaths at the shop floor. These have been implemented with C++ and tested through case study using an example AP238 file.
出处 《工程图学学报》 CSCD 北大核心 2009年第2期149-154,共6页 Journal of Engineering Graphics
基金 国家自然科学基金资助项目(50675123) 教育部留学回国人员科研启动基金资助项目 山东省优秀中青年科学家奖励基金资助项目(2007BS05005)
关键词 计算机应用 STEP-NC数据模型 数控程序 信息提取 computer application STEP-NC data model NC program extracting information
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参考文献9

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