A casting process CAD is put forward to design and draw casting process. The 2D casting process CAD, most of the current systems are developed based on one certain version of the AutoCAD system. However the applicatio...A casting process CAD is put forward to design and draw casting process. The 2D casting process CAD, most of the current systems are developed based on one certain version of the AutoCAD system. However the application of these 2D casting process CAD systems in foundry enterprises are restricted because they have several deficiencies, such as being overly dependent on the AutoCAD system, and some part files based on PDF format can not be opened directly. To overcome these deficiencies, for the first time an innovative 2D casting process CAD system based on PDF and image format file has been proposed, which breaks through the traditional research and application notion of the 2D casting process CAD system based on AutoCAD. Several key technologies of this system such as coordinate transformation, CAD interactive drawing, file storage, PDF and image format files display, and image recognition technologies were described in detail. A practical 2D CAD casting process system named HZCAD2D（PDF） was developed, which is capable of designing and drawing the casting process on the part drawing based on the PDF format directly, without spending time on drawing the part produced by AutoCAD system. Final y, taking two actual castings as examples, the casting processes were drawn using this system, demonstrating that this system can significantly shorten the cycle of casting process designing.展开更多
概述了方正书版大样转PDF文件方法的优缺点。根据科技期刊开放存取以及复制、检索的需要,提出一种用ps22pdf、Foxit PDF Editor等软件实现方正大样转双层PDF文件的新方法,所生成的PDF文件具有精确重现原文、能复制原文本和全文检索等功...概述了方正书版大样转PDF文件方法的优缺点。根据科技期刊开放存取以及复制、检索的需要,提出一种用ps22pdf、Foxit PDF Editor等软件实现方正大样转双层PDF文件的新方法,所生成的PDF文件具有精确重现原文、能复制原文本和全文检索等功能,为科技期刊的开放存取提供了一种新的实现手段。展开更多
基金financially supported by the Program for New Century Excellent Talents in University (No.NCET-09-0396)the National Science&Technology Key Projects of Numerical Control (No.2012ZX04012-011)the Fundamental Research Funds for the Central Universities (2014-IV-016)
文摘A casting process CAD is put forward to design and draw casting process. The 2D casting process CAD, most of the current systems are developed based on one certain version of the AutoCAD system. However the application of these 2D casting process CAD systems in foundry enterprises are restricted because they have several deficiencies, such as being overly dependent on the AutoCAD system, and some part files based on PDF format can not be opened directly. To overcome these deficiencies, for the first time an innovative 2D casting process CAD system based on PDF and image format file has been proposed, which breaks through the traditional research and application notion of the 2D casting process CAD system based on AutoCAD. Several key technologies of this system such as coordinate transformation, CAD interactive drawing, file storage, PDF and image format files display, and image recognition technologies were described in detail. A practical 2D CAD casting process system named HZCAD2D（PDF） was developed, which is capable of designing and drawing the casting process on the part drawing based on the PDF format directly, without spending time on drawing the part produced by AutoCAD system. Final y, taking two actual castings as examples, the casting processes were drawn using this system, demonstrating that this system can significantly shorten the cycle of casting process designing.
文摘概述了方正书版大样转PDF文件方法的优缺点。根据科技期刊开放存取以及复制、检索的需要,提出一种用ps22pdf、Foxit PDF Editor等软件实现方正大样转双层PDF文件的新方法,所生成的PDF文件具有精确重现原文、能复制原文本和全文检索等功能,为科技期刊的开放存取提供了一种新的实现手段。
