Multiple material systems and assisted powder handling for selective beam sintering
    1.
    发明公开
    Multiple material systems and assisted powder handling for selective beam sintering 失效
    用于烧结更多的材料系统使用粉末选择性辐射。

    公开(公告)号:EP0416852A2

    公开(公告)日:1991-03-13

    申请号:EP90309633.7

    申请日:1990-09-04

    摘要: A method and apparatus for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer (40) controlling a laser (30) to direct the laser energy onto the powder (26) to produce a sintered mass. The computer (40) either determines or is programmed with the boundaries of the desired cross-sectional regions of the part. For each cross-section, the aim of the laser beam (64) is scanned over a layer of powder (57) and the beam is switched on to sinter only the powder within the boundaries of the cross-section. Powder is applied and successive layers (54, 55, 56, 57) sintered until a completed part is formed. Preferably, the powder comprises a plurality of materials having different dissociation or bonding temperatures. The powder preferably comprises blended (901, 902) or coated (1001, 1002) materials.

    摘要翻译: 一种用于选择性方法和设备烧结粉末的层,以产生包含烧结层上的多个的部分。 该装置包括:计算机(40)控制激光(30)来引导所述激光能量在粉末(26),以产生烧结体。 计算机(40)是确定性的地雷或编程有该部件的所需横截面的区域的边界。 对于每一个的横截面,所述激光束(64)的目标上扫描粉末(57)的层和所述束横截面的边界内接通,以烧结仅粉末。 粉末被施加和烧结,直到完成部分形成连续的层(54,55,56,57)。 优选地,所述粉末包含具有不同离解或粘合温度材料的多层。 所述粉末优选包含混合(901,902)或涂覆的(1001,1002)的材料。

    Multiple material systems and assisted powder handling for selective beam sintering
    3.
    发明公开
    Multiple material systems and assisted powder handling for selective beam sintering 无效
    用于烧结更多的材料系统使用粉末选择性辐射

    公开(公告)号:EP0714725A1

    公开(公告)日:1996-06-05

    申请号:EP96200424.8

    申请日:1990-09-04

    IPC分类号: B23K26/04 B22F3/105 C23C24/10

    摘要: A method and apparatus for selectively sintering a layer of powder to produce a part comprising a plurality of sintered layers. The apparatus includes a computer (40) controlling a laser (30) to direct the laser energy onto the powder (26) to produce a sintered mass. The computer (40) either determines or is programmed with the boundaries of the desired cross-sectional regions of the part. For each cross-section, the aim of the laser beam (64) is scanned over a layer of powder (57) and the beam is switched on to sinter only the powder within the boundaries of the cross-section. Powder is applied and successive layers (54, 55, 56, 57) sintered until a completed part is formed. Preferably, the powder comprises a plurality of materials having different dissociation or bonding temperatures. The powder preferably comprises blended (901, 902) or coated (1001, 1002) materials.

    摘要翻译: 一种用于选择性方法和设备烧结粉末的层,以产生包含烧结层上的多个的部分。 该装置包括:计算机(40)控制激光(30)来引导所述激光能量在粉末(26),以产生烧结体。 计算机(40)是确定性的地雷或编程有该部件的所需横截面的区域的边界。 对于每一个的横截面,所述激光束(64)的目标上扫描粉末(57)的层和所述束横截面的边界内接通,以烧结仅粉末。 粉末被施加和烧结,直到完成部分形成连续的层(54,55,56,57)。 优选地,所述粉末包含具有不同离解或粘合温度材料的多层。 所述粉末优选包含混合(901,902)或涂覆的(1001,1002)的材料。