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    • 1. 发明申请
    • METHOD FOR SELECTIVE LASER SINTERING AND SYSTEM FOR SELECTIVE LASER SINTERING SUITABLE FOR SAID METHOD
    • 方法选择性激光内部和程序本系统适于进行选择性激光实习生
    • WO2012038507A2
    • 2012-03-29
    • PCT/EP2011066516
    • 2011-09-22
    • SIEMENS AGHOFACKER OLIVERSCHAEFER MARTIN
    • HOFACKER OLIVERSCHAEFER MARTIN
    • B29C67/00
    • B29C67/04B22F3/1055B22F2003/1056B29C64/153B29C67/0077B33Y10/00B33Y30/00Y02P10/295
    • The invention relates to a method for selective laser sintering and to a device for carrying out such a method. In the method for laser sintering, energy (1 to 6) is applied linearly to a cross-sectional surface (17) of the component to be produced in order to compact the powdery material. According to the invention, in the case of components comprising cross-sectional surfaces (17) that have a curved contour (20), the application of energy can be guided in a line-shaped manner following the curved contour so that the contour (20) of the workpiece that develops is continuously replicated. Advantageously, irregularities in the contour, which are caused by the raster predetermined by the laser sintering method, can thus be largely avoided. The device according to the invention for laser sintering according to said method comprises a powder delivery unit which can rotate about a rotational axis located in the interior of an annularly closed cross-section of the workpiece to be produced.
    • 本发明涉及一种用于选择性激光烧结的方法,以及用于执行这种方法的装置。 在用于激光烧结能量输入的方法是(1〜6)在上要形成被引入以固化该粉末材料中的组件的横截面面积(17)线的形式。 根据本发明,它提供了用于与截面积(17)具有弯曲的轮廓(20)的组件,所述能量输入被线性地引导的弯曲的轮廓以下,从而使的轮廓(20)被连续地模拟的成形工件。 有利地,在由下式给出的网格间距激光烧结的方法形成的轮廓即不规则性,因此在很大程度上避免。 根据根据本发明所述方法进行选择性激光烧结本发明的设备包括一个粉末进料器,其能够绕旋转轴线旋转,其位于内部形成所述工件的环形封闭的横截面。