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selective laser sintering technology
相关语句
  选择性激光烧结技术
     The operating principle of the selective laser sintering technology was introduced.
     介绍了选择性激光烧结技术的工作原理。
短句来源
     Aim\ To discuss the principle and applications of selective laser sintering technology.
     目的 讨论选择性激光烧结技术 (Selective L aser Sintering简称 SL S)的理论和应用 .
短句来源
     Some existing problems of forming metal parts by selective laser sintering technology were pointed out. The development prospect of the technology was summarized.
     指出了选择性激光烧结技术成型金属零件所存在的一些问题和选择性烧结技术的发展前景。
短句来源
     This article describes sintering experiments by selective laser sintering technology while studying the influence of laser power, scanning speed, scanning space, single thickness on molding quality. It has built the optical technics parameters of sintering material to establish the base of making bionics bone with porous structure.
     本文利用选择性激光烧结技术进行烧结试验,研究了激光功率、扫描速度、扫描间距、单层厚度对成型质量的影响,确定了材料烧结的最佳工艺参数,为制作微孔结构的仿生骨骼奠定了基础。
     Finally,the coming study directions of selective laser sintering technology are described.
     最后,提出了选择性激光烧结技术进一步研究的方向。
短句来源
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  “selective laser sintering technology”译为未确定词的双语例句
     Study of PS Strengthened and Toughened by Nano-Al_2O_3 Based on Selective Laser Sintering Technology
     基于选区激光烧结的无机纳米Al_2O_3粒子增强增韧聚苯乙烯的研究
短句来源
     Fundamental Experimental Study on Nano- Al_2O_3 Bulk Materials Produced by Selective Laser Sintering Technology
     纳米Al_2O_3粉体材料激光烧结成型基础试验研究
短句来源
     Application of Selective Laser Sintering Technology in Rapid Tooling
     选择性激光烧结在快速制模中的应用
短句来源
     Selective Laser Sintering Technology in NCIT
     选择性激光烧结成型技术在华北工学院
短句来源
     Study of Selective Laser Sintering Technology of Polymer-Coated Ceramic Powder and the optimization of Processing Parameters
     覆膜陶瓷粉末的选择性激光烧结工艺研究及参数优化
短句来源
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  相似匹配句对
     Selective Laser Sinter Forming of Thermoplastic
     热塑性塑料的选域激光烧结成型
短句来源
     Rapid Casting by Selective Laser Sintering
     用选择性激光烧结实现快速精密铸造
短句来源
     Selective laser sintering of silica sand
     选择性激光烧结硅砂的实验研究
短句来源
     Application Research on Selective Laser Sintering
     选择性激光烧结技术应用研究
短句来源
     Improvement of Selective Laser Sintering Machine
     选择性激光烧结机的改进
短句来源
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  selective laser sintering technology
The successful synthesis of CHAp nanospheres is a critical step forward in our efforts to fabricate bone tissue engineering scaffolds using the selective laser sintering technology.
      


Polymer coated ceramic powder can be used to manufacture mold shell with selective laser sintering technology, and the mold shell is usually used to cast and produce metal part. Usually, the laser energy used in rapid prototyping manufacturing is not beyond 100 W. It is not enough to sinter ceramic powder directly. So indirect-sintering is adopted. But, the wear intensity of mold shell, which is determined by some sintering parameters, is a fatal reason to cast unsuccessfully....

Polymer coated ceramic powder can be used to manufacture mold shell with selective laser sintering technology, and the mold shell is usually used to cast and produce metal part. Usually, the laser energy used in rapid prototyping manufacturing is not beyond 100 W. It is not enough to sinter ceramic powder directly. So indirect-sintering is adopted. But, the wear intensity of mold shell, which is determined by some sintering parameters, is a fatal reason to cast unsuccessfully. Generally, post- processing, such as high temperature sintering, is unavoidable for those wear intensity shell. This paper presents some results which show the effect of scan speed and scan space on shell intensity, describes the post-processing, and discusses its application to SLS mold shell. Results gained from this process show that it is obvious to improve the intensity of mold shell. An example is used to validate these results above.

利用激光烧结快速成型技术可以烧结覆膜陶瓷材料,形成铸造用型腔壳体并直接应用于铸造,制作金属零件。由于在快速原型制造领域所使用的激光器功率普遍较低,因此,无法实现真正意义上材料的直接烧结。目前所能实现的是覆膜陶瓷的间接烧结,即利用激光融凝陶瓷表面涂覆的有机物薄膜,使陶瓷粉末粘结成一个原型壳体。由此形成的壳体原型强度较低,不能直接用于铸造。因此,二次烧结作为一种后处理工艺用于提高壳体强度.与烧结工艺参数对原型壳体强度的影响变得同等重要。通过试验分析,在烧结工艺参数中,扫描间隔和扫描速度是影响原型壳体强度的主要因素,其直接影响烧结原型第一强度的变化。二次烧结后处理可以大幅度提高壳体的二次强度,满足铸造对壳体的强度要求。最后以整体叶轮的快速制造为例,验证了上述结论。

:Preheating powder on the surface of powder bed is a one important process influencing whole processing of prototypes and accuracy of parts fabricated in selective laser sintering technology. General preheating process of irradiator for the preheating of powder on the surface of powder bed is analyzed, and the influences of flux density on the temperature field on the top surface of powder bed is investigated. The distribution models of flux density are also presented in this paper. The result predicted...

:Preheating powder on the surface of powder bed is a one important process influencing whole processing of prototypes and accuracy of parts fabricated in selective laser sintering technology. General preheating process of irradiator for the preheating of powder on the surface of powder bed is analyzed, and the influences of flux density on the temperature field on the top surface of powder bed is investigated. The distribution models of flux density are also presented in this paper. The result predicted according to the model is reasonably consistent with experimental result. This model plays an important role in design of preheating set and control of SLS processing.

在激光选区烧结(SLS)快速成形技术中,粉末的预热是影响成形件性能和成形件精度的重要因素之一,对成形机工作腔的一般预热方法的预热过程进行了分析,研究了辐射预热的热流密度对粉末预热温度的影响,提出了热流密度场模型,并与试验测得的预热温度场进行了比较,该模型对于预热装置设计、SLS成形过程控制都具有重要的意义。

Aim\ To discuss the principle and applications of selective laser sintering technology. Methods\ According to the characteristic of selective laser sintering technology, the applications in the production of metal parts and dies are introduced. Results\ Selective laser sintering technology has certain properties and advantages in the production of metal workpieces and die. Conclusion\ As species of materials are very wide and they can be used repeatedly, selective laser sintering technology...

Aim\ To discuss the principle and applications of selective laser sintering technology. Methods\ According to the characteristic of selective laser sintering technology, the applications in the production of metal parts and dies are introduced. Results\ Selective laser sintering technology has certain properties and advantages in the production of metal workpieces and die. Conclusion\ As species of materials are very wide and they can be used repeatedly, selective laser sintering technology will be a broad prospective technology of production.

目的 讨论选择性激光烧结技术 (Selective L aser Sintering简称 SL S)的理论和应用 .方法 根据选择性激光烧结技术的特点 ,介绍了它在金属零件和模具的快速铸造和直接制造中的应用 .结果 选择性激光烧结技术在金属零件和模具的制造中具有一定的优势 .结论 选择性激光烧结技术由于其材料选择范围宽及材料可重复使用 ,成为快速成型技术中的一种非常有发展潜力的工艺方法

 
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