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    GENERATING THREE-DIMENSIONAL OBJECTS
    1.
    发明公开
    GENERATING THREE-DIMENSIONAL OBJECTS 审中-公开
    生成三维物体

    公开(公告)号：EP3230047A1

    公开(公告)日：2017-10-18

    申请号：EP15884134.6

    申请日：2015-03-05

    申请人： Hewlett-Packard Development Company, L.P.

    发明人： GUTIERREZ, Bernardo A. ,  WRIGHT, Jacob T. ,  NOVICK, Michael A.

    IPC分类号： B29C67/00 ,  B33Y10/00 ,  B33Y50/02

    CPC分类号： B29C64/10 ,  B29C64/112 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

    摘要： At least one agent distributor may be to selectively deliver coalescing agent onto portions of a layer of build material at a first density and at a second density lower than the first density. A controller may be to control the at least one agent distributor to selectively deliver the coalescing agent at the first and second densities onto respective first and second portions of the layer in respective first and second patterns derived from data representing the three-dimensional object to be generated, so that when energy is applied to the layer the build material may coalesce and solidify to form a slice of the three-dimensional object in accordance with the first pattern. The second portion may be in proximity to a boundary of the first portion. Presence of the coalescing agent in the second portion may be to prevent at least some heat from flowing away from the first portion when the energy is applied.

    摘要翻译： 至少一个试剂分配器可以以第一密度和低于第一密度的第二密度将聚结剂选择性地递送到构建材料层的部分上。 控制器可以控制至少一个代理分配器以第一和第二密度选择性地将聚结剂递送到分别以来自代表三维物体的数据的第一和第二模式的层的第一和第二部分上 从而当能量施加到层上时，构建材料可以聚结并固化以根据第一图案形成三维物体的切片。 第二部分可以接近第一部分的边界。 在第二部分中存在聚结剂可以防止当施加能量时至少一些热量从第一部分流出。

    BUILD MATERIAL SPLASH CONTROL
    4.
    发明公开
    BUILD MATERIAL SPLASH CONTROL 审中-公开

    公开(公告)号：EP3390013A1

    公开(公告)日：2018-10-24

    申请号：EP16901856.1

    申请日：2016-05-12

    申请人： Hewlett-Packard Development Company, L.P.

    发明人： GARCIA, Andre ,  NOVICK, Michael A.

    IPC分类号： B29C67/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

    CPC分类号： B29C67/00 ,  B29C64/165 ,  B29C64/393 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

    摘要： According to an example, a three-dimensional (3D) printer may include a first delivery device to selectively deposit first liquid droplets onto a layer of build materials and a second delivery device to selectively deposit second liquid droplets onto the layer of build materials, in which the second delivery device is positioned in relatively close proximity to the first delivery device. The 3D printer may also include a controller to identify a density at which the second liquid droplets are to be selectively deposited to control splashing of the build materials upon which the second liquid droplets are deposited and to control the second delivery device to selectively deposit the second liquid droplets at the identified density.

    BUILD TEMPERATURE MODULATION
    5.
    发明公开
    BUILD TEMPERATURE MODULATION 审中-公开
    构建温度调制

    公开(公告)号：EP3271148A1

    公开(公告)日：2018-01-24

    申请号：EP15895103.8

    申请日：2015-06-10

    申请人： Hewlett-Packard Development Company, L.P.

    发明人： NOVICK, Michael A.

    IPC分类号： B29C67/00 ,  B33Y50/02

    CPC分类号： B29C64/386 ,  B29C64/165 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y70/00

    摘要： According to an example, build temperature modulation may include determining a characteristic of an object to be produced by three-dimensional printing. The three-dimensional printing may divide the object into a plurality of printing areas for producing the object by using a fusing agent. The build temperature modulation may further include determining, based on the characteristic of the object to be produced by the three-dimensional printing, a fusing agent flux amount of the fusing agent sufficient to oversaturate a printing area of the plurality of printing areas to modulate temperatures related to the plurality of printing areas to a substantially constant temperature across the plurality of printing areas.