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1.发明授权System and method for controlling the size of the molten pool in laser-based additive manufacturing 失效用于控制激光添加剂制造中熔池尺寸的系统和方法公开(公告)号：US06995334B1
公开(公告)日：2006-02-07
申请号：US10649927
申请日：2003-08-25
CPC分类号： B23K26/032 , B22F3/1055 , B22F2003/1057 , B23K26/034 , B23K26/32 , B23K26/342 , B23K35/0244 , B23K2103/50 , B29C64/153 , B33Y30/00 , B33Y40/00 , B33Y50/02 , Y02P10/295
摘要： According to one embodiment of the invention, a method for controlling the size of the molten pool in a laser based additive manufacturing process includes coaxially aligning an imaging device with a laser nozzle and imaging a molten pool, created by a laser, on a substrate with the imaging device. The method further includes comparing at least one characteristic of the molten pool with a respective characteristic of a target molten pool, and adjusting, in substantially real-time, a laser power of the laser based on the comparison in order to correlate the characteristic of the molten pool with the respective characteristic of the target molten pool.
摘要翻译： 根据本发明的一个实施例，一种用于在基于激光的添加剂制造工艺中控制熔池尺寸的方法包括将成像装置与激光喷嘴同轴对准并将由激光产生的熔池成像在具有 成像装置。 该方法还包括将熔池的至少一个特征与目标熔池的相应特征进行比较，并且基于比较来基本上实时地调整激光器的激光功率，以便将所述熔池的特性相关联 熔池具有目标熔池的特征。
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公开(公告)号：US07045738B1
公开(公告)日：2006-05-16
申请号：US10649554
申请日：2003-08-25
IPC分类号： B23K26/00
CPC分类号： B05B7/144 , B05B7/1463 , B05B7/228 , B05B12/082 , B22F3/1055 , B22F2003/1057 , B23K9/044 , B23K26/032 , B23K26/034 , B23K26/0853 , B23K26/342 , B23K37/0461 , B29C64/153 , B29C64/20 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/00 , Y02P10/295
摘要： A powder delivery system for a laser-based additive manufacturing process includes a hopper adapted to contain a powder and continuously feed the powder through an output of the hopper, a rotatable disk having a top surface that is substantially flat, the top surface adapted to receive the powder continuously fed through the output of the hopper, the top surface being disposed below the output of the hopper by a prescribed gap, and a vacuum powder removal device operable to remove the powder from the top surface via a vacuum.
摘要翻译： 用于基于激光的添加剂制造方法的粉末输送系统包括：料斗，其适于容纳粉末并通过料斗的输出连续地供给粉末;旋转盘，其具有基本上平坦的顶表面，上表面适于接收 所述粉末通过所述料斗的输出连续地供给，所述顶部表面设置在所述料斗的输出下方规定的间隙，以及真空粉末去除装置，其可操作以通过真空从所述顶表面除去所述粉末。
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公开(公告)号：US07020539B1
公开(公告)日：2006-03-28
申请号：US10649925
申请日：2003-08-25
IPC分类号： G06F19/00
CPC分类号： B22F3/1055 , B22F2003/1059 , B22F2003/247 , B22F2998/00 , B22F2998/10 , B23K26/0884 , B23K26/1482 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , Y02P10/295 , Y10T483/17 , B22F2202/11 , B22F2202/13 , B22F3/24
摘要： According to one embodiment of the invention, a system for fabricating a part includes a computer operable to control the fabrication of a three-dimensional part using a solid CAD model, a deposition station operable to deposit successive two-dimensional layers of material to fabricate the three-dimensional part, and a machining station operable to remove at least a portion of one or more of the deposited two-dimensional layers of material. The deposition station includes a substrate on which to fabricate the three-dimensional part, a welding-based deposition system having a welding torch, a laser-based deposition system having a laser head, a plasma powder cladding system having a plasma torch, and a multi-axis robot operable to, when directed by the computer, utilize one of the welding-based deposition system, laser-based deposition system, and plasma powder cladding system to deposit any of the two-dimensional layers of material. The machining station includes a multi-axis milling machine and an automatic tool changer. The milling machine is operable to, when directed by the computer, select from a plurality of machining tools associated with the automatic tool changer for use in the milling machine.
摘要翻译： 根据本发明的一个实施例，用于制造部件的系统包括可操作以使用实体CAD模型来控制三维部件的制造的计算机，可操作以沉积连续的二维材料层以制造 三维部分和可操作以去除所沉积的二维材料层中的一个或多个的至少一部分的加工台。 沉积站包括用于制造三维部件的基板，具有焊枪的焊接型沉积系统，具有激光头的激光基沉积系统，具有等离子体焰炬的等离子体粉末包层系统，以及 多轴机器人可操作以在由计算机指导的情况下利用基于焊接的沉积系统，基于激光的沉积系统和等离子体粉末包覆系统中的一种来沉积任何二维材料层。 加工台包括多轴铣床和自动换刀装置。 铣床可操作以在由计算机指导时从与自动换刀器相关联的多个加工工具中选择以用于铣床中。
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4.发明授权System and method for controlling welding parameters in welding-based deposition processes 有权用于控制焊接沉积工艺中焊接参数的系统和方法公开(公告)号：US06940037B1
公开(公告)日：2005-09-06
申请号：US10649259
申请日：2003-08-25
IPC分类号： B23K9/04 , B23K9/095 , B23K26/03 , B23K26/08 , B23K26/14 , B23K26/20 , B23K26/34 , G06F19/00
CPC分类号： B23K9/044 , B23K9/0953 , B23K26/032 , B23K26/0861 , B23K26/144 , B23K26/32 , B23K26/342 , B23K2103/04 , B23K2103/14 , B23K2103/26 , B23K2103/50 , B23K2103/52 , B33Y10/00 , B33Y30/00 , B33Y50/02
摘要： According to one embodiment of the invention, a method for controlling operational weld parameters of a welding-based deposition process includes generating a solid model representing a three-dimensional part on a computer, electronically slicing the solid model into a plurality of electronic two-dimensional layers, identifying a path of material deposition based on the electronic two-dimensional layers, the path comprising a plurality of deposition points, and determining a geometrical factor for each deposition point. The geometrical factor is defined by a ratio of an actual volume of material around each deposition point to a theoretical volume of material around each deposition point. The method further includes automatically adjusting, during material deposition for a respective deposition point, one or more parameters of the welding-based deposition process based on the geometrical factor for the respective deposition point.
摘要翻译： 根据本发明的一个实施例，一种用于控制基于焊接的沉积工艺的操作焊接参数的方法包括在计算机上生成表示三维部件的实体模型，将实体模型电子切割成多个电子二维 层，基于电子二维层识别材料沉积的路径，所述路径包括多个沉积点，以及确定每个沉积点的几何因子。 几何因子由每个沉积点周围的材料的实际体积与每个沉积点周围的材料的理论体积的比率定义。 该方法还包括在用于相应沉积点的材料沉积期间，基于相应沉积点的几何因素自动调整基于焊接的沉积工艺的一个或多个参数。
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