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    CORRECTION OF FILAMENT PARAMETERS
    2.
    发明申请
    CORRECTION OF FILAMENT PARAMETERS 审中-公开
    纱线参数的修正

    公开(公告)号：WO2017086908A1

    公开(公告)日：2017-05-26

    申请号：PCT/US2015/060821

    申请日：2015-11-16

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： STODDER, Sam A. ,  SALFITY, Jonathan Munir ,  MAJETTE, Mark

    IPC: B29C67/00 ,  B33Y30/00 ,  B33Y50/02

    CPC classification number: B29C64/386 ,  B29C64/106 ,  B33Y10/00 ,  B33Y50/02

    Abstract: An example extruder assembly includes an extruder tip to melt a filament. The extruder assembly also includes a filament gripper to drive the filament through the extruder tip. The extruder assembly also includes a controller. The controller is to determine a correction for a compression of the filament based on an operating condition of the extruder assembly. The controller also is to compute a corrected kinematic parameter for the filament based on the correction for the compression of the filament and a reference kinematic parameter for the filament. The controller also is to control the filament gripper based on the corrected kinematic parameter.

    Abstract translation: 示例挤出机组件包括用于熔化长丝的挤出机顶端。 挤出机组件还包括用于驱动长丝通过挤出机顶端的长丝夹持器。 挤出机组件还包括控制器。 控制器基于挤出机组件的操作条件确定用于丝线压缩的校正。 控制器还将基于灯丝压缩的校正和灯丝的参考运动参数来计算灯丝的校正后的运动参数。 控制器还根据修正的运动参数控制灯丝夹持器。

    3-D PRINTING BATCH ANALYSIS
    3.
    发明申请
    3-D PRINTING BATCH ANALYSIS 审中-公开

    公开(公告)号：WO2019209318A1

    公开(公告)日：2019-10-31

    申请号：PCT/US2018/029842

    申请日：2018-04-27

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： ZENG, Jun ,  CATANA, Juan Carlos ,  STODDER, Sam A.

    IPC: B29C64/386 ,  B33Y40/00

    Abstract: 3-D printing batch analysis is disclosed. A disclosed example apparatus includes a processor to generate a plurality of batches, wherein each of the batches represent an arrangement of a plurality of parts to be printed in a volume, discretize the batches into slices, and determine risk values of the slices based on the respective geometric primitives. The processor is to also determine aggregate risk values corresponding to the batches based on the risk values of the slices of the respective batches, and select a batch of the plurality of batches based on the aggregate risk values. The example apparatus also includes a printer to print the selected batch in the volume.

    THREE DIMENSIONAL (3D) PRINTING
    4.
    发明申请
    THREE DIMENSIONAL (3D) PRINTING 审中-公开
    三维（3D）打印

    公开(公告)号：WO2017196353A1

    公开(公告)日：2017-11-16

    申请号：PCT/US2016/032193

    申请日：2016-05-12

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： WHITE, Scott A. ,  ROMAN, Justin M. ,  ALONSO BECERRO, Xavier ,  CHANCLON FERNANDEZ, Ismael ,  STODDER, Sam A. ,  HADDICK, Glenn Thomas

    IPC: B29C67/00 ,  B33Y50/02 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00

    Abstract: A method of three-dimensional (3D) printing is provided. Print data is received, which defines patterns of at least one agent to be applied to a layer of build material. These patterns are at least partially based on a 3D model of at least one object to be generated. The print data is processed to determine regions which are distant from said patterns. The print data is modified to add a further pattern of a detailing agent to be selectively applied to the layer of build material to generate fracture regions in a processed volume of build material.

    Abstract translation: 提供了三维（3D）打印的方法。 接收打印数据，该数据定义至少一个代理应用于构建材料层的模式。 这些模式至少部分基于要生成的至少一个对象的3D模型。 处理打印数据以确定远离所述图案的区域。 打印数据被修改以添加详细代理的进一步图案以选择性地施加到构建材料层以在处理的构建材料体积中产生裂缝区域。

    IMPINGEMENT SURFACES
    5.
    发明申请
    IMPINGEMENT SURFACES 审中-公开
    冲击表面

    公开(公告)号：WO2017082934A1

    公开(公告)日：2017-05-18

    申请号：PCT/US2015/060708

    申请日：2015-11-13

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： STODDER, Sam A. ,  TAN, Hua

    IPC: B29C67/00 ,  B33Y30/00

    CPC classification number: B29C64/106 ,  B33Y30/00 ,  B33Y40/00

    Abstract: An example three-dimensional (3D) printer includes a barrel defining a cavity. The cavity is to receive a filament. The 3D printer also includes a heating element to provide heat to a heated portion of the barrel. The barrel includes an impingement surface bounding the cavity. The impingement surface is to deliver the heat to the filament. The impingement surface is substantially a length of the heated portion of the barrel.

    Abstract translation: 示例性的三维（3D）打印机包括限定腔的桶。 该腔将接收灯丝。 3D打印机还包括加热元件以向桶的加热部分提供热量。 枪管包括限制腔的冲击表面。 冲击表面将热量传递给灯丝。 冲击表面基本上是桶的加热部分的一段长度。

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