国家体育场 The National Stadium The National Stadium,also known as the "Bird's Nest",is a key competition venue of the Beijing 2008 Olympic Games and the 13th Paralympic ***
国家体育场 The National Stadium The National Stadium,also known as the "Bird's Nest",is a key competition venue of the Beijing 2008 Olympic Games and the 13th Paralympic ***
Terry Wohlers will provide a worldwide review and analysis of additive fabrication,a technology that encompasses a wide range of applications,including modeling,prototyping,casting,tooling,jigs/fitures,and *** will co...
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Terry Wohlers will provide a worldwide review and analysis of additive fabrication,a technology that encompasses a wide range of applications,including modeling,prototyping,casting,tooling,jigs/fitures,and *** will concentrate on the newest and most interesting research,technologies,systems,materials,and *** will present annual revenues from products and services,industry growth estimates,and sales *** will also discuss current trends and developments in direct metal fabrication and rapid manufacturing for medical,dental,and other *** will conclude by giving his views on where the industry headed and what the future holds.
The term concurrent engineering was popular in the mid 1990s to denote a system where the several phases in the development cycle of a product were no longer executed consecutively but overlapping in time and even in ...
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The term concurrent engineering was popular in the mid 1990s to denote a system where the several phases in the development cycle of a product were no longer executed consecutively but overlapping in time and even in parallel,resulting obviously in a significant reduction of the time to *** is today only to a limited extend common *** paper presents,based on a real-life case,again concurrent engineering as it was never possible *** enabling technology used is the e-Stage product group developed at Materialise.
This paper relates to recent evolutions of rapid product development and mainly on technological point of *** issues are of several natures,methodologies,product-process knowledge-based approaches,new technologies and...
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This paper relates to recent evolutions of rapid product development and mainly on technological point of *** issues are of several natures,methodologies,product-process knowledge-based approaches,new technologies and *** idea is to take into account the knowledge related to the additive manufacturing technologies when defining the main characteristics of the *** evolution of the capacities of the actual rapid manufacturing technologies enlarges the scope of new product design and *** final goal is to increase the efficiency of the rapid product development processes by the use of new technologies and new methodologies.
Big advancement has been done for stereolithography *** can already line-up variety of resins influenced customer *** them CMET TSR-821 has been well accepted by its durability and mechanical properties generated by s...
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Big advancement has been done for stereolithography *** can already line-up variety of resins influenced customer *** them CMET TSR-821 has been well accepted by its durability and mechanical properties generated by special "sea and island" *** future we will reach to ABS performance level and will also get to high performance engineering *** will be used for direct manufacturing machine by using newly developed resins,and changes "the method of manufacturing".Environmentally safety materials,such as "antimonate-free" will be also needed for prototypes.
Direct milling sand mold,as one of the important developments in rapid manufacturing of sand mold,has been gradually used in *** has more advantages than traditional sand mold *** on rapid manufacturing of sand mold a...
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Direct milling sand mold,as one of the important developments in rapid manufacturing of sand mold,has been gradually used in *** has more advantages than traditional sand mold *** on rapid manufacturing of sand mold are under *** different working conditions,direct milling casting mold with self-developed facility were *** the process and cutting mechanisms were *** wear was also investigated.
The patternless casting manufacturing(PCM)technique which adopts a new concept of double scanning method combines the principle of discreteness and deposition with resin-bonded sand *** paper qualitatively and quantit...
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The patternless casting manufacturing(PCM)technique which adopts a new concept of double scanning method combines the principle of discreteness and deposition with resin-bonded sand *** paper qualitatively and quantitatively studies the two important factors-the liquid penetration rule in space of particles and the shape and dimension of the agglomeration unit body,thus it provides the theoretical basis for building technical *** experiments well verified the analysis.
A rapid and efficient method is presented to reconstruct triangular mesh *** on projections of point cloud slicing that correspond to template sectional curves,the method constructs topological relevant information am...
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A rapid and efficient method is presented to reconstruct triangular mesh *** on projections of point cloud slicing that correspond to template sectional curves,the method constructs topological relevant information among discrete points,which makes unorganized points ordering and builds up optimal approximated Bspline *** every curve according to its curvature distribution and do triangular mesh division on ***,surface reconstruction is achieved.
His research interests include advanced forming technology and reverse *** has overcome many key theories and techniques of laser rapid prototyping processing with powder materials and developed a series of selective ...
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His research interests include advanced forming technology and reverse *** has overcome many key theories and techniques of laser rapid prototyping processing with powder materials and developed a series of selective laser sintering(SLS)*** systems has been widely applied to more than 200 domestic and oversea ***,he has invented a new type of laser rapid prototyping system which can manufacture complex metal parts by directly using metallic powder *** has gained one second award of national science and technology,one provincial first award and three provincial second *** has obtained 13 national invent patents and 4 software *** he has published more than 200 papers.
For reconstruction of complicated curved surface,an approximating algorithm on handling 3D points cloud data is *** this algorithm,the coordinate information of nodes both in internal and external regions of partition...
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For reconstruction of complicated curved surface,an approximating algorithm on handling 3D points cloud data is *** this algorithm,the coordinate information of nodes both in internal and external regions of partition interpolation is used to realize minimized least squares approximation error of surface *** changes between internal and external interpolation regions are continuous and ***,surface shape has properties of local controllability,variation reduction,and convex hull thanks to this *** practical example proves that this algorithm possesses a higher accuracy of curved surface reconstruction and also improves the distortion of curved surface reconstruction while typical approximating algorithms and unstable operation are used.
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