Three dimensional spray coating method and simulation
    1.
    发明授权
    Three dimensional spray coating method and simulation 失效
    三维喷涂法和模拟

    公开(公告)号:US06256597B1

    公开(公告)日:2001-07-03

    申请号:US09113742

    申请日:1998-07-10

    IPC分类号: G06F9455

    摘要: A spray coating simulation for a robotic spray gun assembly imports a discretized model of an object geometry. Next, the simulator imports a numerically characterized spray pattern file and a robot motion file having a plurality of motion positions, dwell times and orientations defining a motion path of the spray gun. The individual motion positions within the motion file are read and a determination is made as to which portions of the object geometry are visible at each motion position. Next, a coating thickness at each visible portion of the object geometry is computed, based on the specified spray pattern data, the dwell time and the orientation of the robot motion path, for each motion position. Finally, the total coating thickness over the object geometry is calculated.

    摘要翻译: 机器人喷枪组件的喷涂模拟输入物体几何的离散模型。 接下来,模拟器输入数字表征的喷雾图案文件和具有限定喷枪的运动路径的多个运动位置,停留时间和取向的机器人运动文件。 读取运动文件内的各个运动位置,并确定对象几何的哪个部分在每个运动位置可见。 接下来,基于针对每个运动位置的指定的喷雾图案数据,停留时间和机器人运动路径的取向来计算物体几何的每个可见部分处的涂层厚度。 最后,计算出物体几何的总涂层厚度。

    Method for filling a compartment cavity with foam
    2.
    发明授权
    Method for filling a compartment cavity with foam 失效
    用泡沫填充隔室的方法

    公开(公告)号:US5740074A

    公开(公告)日:1998-04-14

    申请号:US751043

    申请日:1996-11-15

    IPC分类号: B29C44/18 B29C44/60 G06F17/50

    摘要: A method for filling a compartment cavity, such as a refrigerative unit cavity, with a foam produced by an expansion and solidification of a foaming mixture of predetermined chemicals. A known amount of the foaming mixture is created in a test chamber cavity and preselected parameters (such as free surface height and pressure) are measured to obtain the average density and apparent viscosity of the foam as a function of time. A computer program uses the average density and apparent viscosity data to simulate the foaming process for various starting quantifies and starting locations of the foaming mixture. A preferred quantity and location are chosen from a particular computer run which satisfies predetermined fill criteria. The preferred quantity of the foaming mixture is then created at the preferred location in the compartment cavity.

    摘要翻译: 用于通过膨胀和固化预定化学品的发泡混合物而产生的泡沫填充诸如制冷单元空腔的隔室的方法。 在测试室腔中产生已知量的发泡混合物,并测量预选参数(例如自由表面高度和压力),以获得作为时间的函数的泡沫的平均密度和表观粘度。 计算机程序使用平均密度和表观粘度数据来模拟发泡混合物的各种起始定量和起始位置的发泡过程。 从满足预定填充标准的特定计算机运行中选择优选的数量和位置。 然后在隔室空腔中的优选位置产生优选的发泡混合物的量。

    Method and system for designing a profile extrusion capping die
    3.
    发明授权
    Method and system for designing a profile extrusion capping die 有权
    用于设计型材挤出封盖模具的方法和系统

    公开(公告)号:US06850810B1

    公开(公告)日:2005-02-01

    申请号:US09465306

    申请日:1999-12-17

    IPC分类号: B29C47/02 G06F19/00

    摘要: A method for enabling design of a profile extrusion capping die includes, obtaining a size and configuration of a land formable by the capping die, obtaining material properties of a capping resin, obtaining operating conditions for processing the capping resin, and determining, from the size and configuration of the land, the material properties, the operating conditions, at least one of a velocity distribution and a pressure distribution of the capping resin adjacent to an outlet of the land. Desirably, the method also includes obtaining a size and configuration of a runner formable by the profile extrusion capping die, and determining at least one of the velocity distribution and the pressure distribution of the capping resin in the land and the runner. Advantageously, the method is implemented on a system or computer using a finite element mesh of the land and the runner and graphically displaying the velocity distribution and the pressure distribution. The system allows a designer to design a profile extrusion capping die electronically by revising the size and configuration of the land, runner, and/or inlet gate, to obtain a uniform velocity of the capping resin along the land outlet thus resulting in a capping having a uniform thickness.

    摘要翻译: 用于实现型材挤出封盖模具的设计的方法包括:获得由封盖模具形成的焊盘的尺寸和构造,获得封盖树脂的材料特性,获得加工树脂的操作条件,以及从尺寸 和地面的构造,材料性质,操作条件,与地面的出口相邻的覆盖树脂的速度分布和压力分布中的至少一个。 期望地,该方法还包括获得可由型材挤出封盖模具形成的流道的尺寸和构造,以及确定封盖树脂在槽脊和浇道中的速度分布和压力分布中的至少一个。 有利地,该方法在使用陆地和跑步者的有限元网格的系统或计算机上实现,并以图形方式显示速度分布和压力分布。 该系统允许设计者通过修改接地面,流道和/或入口门的尺寸和构造来电子地设计型材挤出封盖模具,以获得覆盖树脂沿着陆地出口的均匀速度,从而形成具有 均匀的厚度。

    Three-dimensional powder molding
    5.
    发明授权
    Three-dimensional powder molding 有权
    三维粉末成型

    公开(公告)号:US09492968B2

    公开(公告)日:2016-11-15

    申请号:US13015897

    申请日:2011-01-28

    摘要: A system and a method of fabricating a complex three dimensional part are described. The system comprises a rapid prototyping machine configured to provide a disposable mold having a negative imprint of a complex three dimensional structure, a mixer, an injection molding machine, and a furnace system. A slurry comprising a powder and a binder is introduced into the disposable mold, the binder is cured, the disposable mold is removed, and the binder is removed, leaving an intact cured structure. The cured structure is sintered to fabricate the complex three dimensional part.

    摘要翻译: 描述了制造复杂三维部分的系统和方法。 该系统包括快速成型机,其被配置为提供具有复杂三维结构的负压印的一次性模具,混合器,注射成型机和炉系统。 将包含粉末和粘合剂的浆料引入一次性模具中,将粘合剂固化,除去一次性模具,并除去粘合剂,留下完整的固化结构。 固化的结构被烧结以制造复杂的三维部分。

    THREE-DIMENSIONAL POWDER MOLDING
    6.
    发明申请
    THREE-DIMENSIONAL POWDER MOLDING 有权
    三维粉末成型

    公开(公告)号:US20120193841A1

    公开(公告)日:2012-08-02

    申请号:US13015897

    申请日:2011-01-28

    IPC分类号: C04B35/64 B29C45/72

    摘要: A system and a method of fabricating a complex three dimensional part are described. The system comprises a rapid prototyping machine configured to provide a disposable mold having a negative imprint of a complex three dimensional structure, a mixer, an injection molding machine, and a furnace system. A slurry comprising a powder and a binder is introduced into the disposable mold, the binder is cured, the disposable mold is removed, and the binder is removed, leaving an intact cured structure. The cured structure is sintered to fabricate the complex three dimensional part.

    摘要翻译: 描述了制造复杂三维部分的系统和方法。 该系统包括快速成型机,其被配置为提供具有复杂三维结构的负压印的一次性模具,混合器,注射成型机和炉系统。 将包含粉末和粘合剂的浆料引入一次性模具中,将粘合剂固化,除去一次性模具,并除去粘合剂,留下完整的固化结构。 固化的结构被烧结以制造复杂的三维部分。

    Performance predictor for fabricated parts
    7.
    发明授权
    Performance predictor for fabricated parts 失效
    制造零件的性能预测器

    公开(公告)号:US07010474B1

    公开(公告)日:2006-03-07

    申请号:US09705572

    申请日:2000-11-03

    IPC分类号: G06F7/48

    摘要: A simulation system for generating a predicted performance for fabricated parts comprises a rheological degradation database for storing rheological degradation data for associated materials, a mechanical degradation database for storing mechanical degradation data for associated materials and a computer coupled to the rheological degradation database and the mechanical degradation database for computing part performance predictions for a respective material with a predetermined geometry under predetermined processing conditions, partially based on the rheological degradation data and the mechanical degradation data.

    摘要翻译: 用于产生制造部件的预测性能的模拟系统包括用于存储关联材料的流变降解数据的流变退化数据库,用于存储关联材料的机械降解数据的机械降解数据库,以及耦合到流变退化数据库的机器和机械降解 数据库,用于在预定的处理条件下部分地基于流变退化数据和机械劣化数据来计算具有预定几何形状的相应材料的部件性能预测。