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CN108796497A 用于混合熔敷速率近净形增材制造的方法和系统 无效 - 撤回

用于混合熔敷速率近净形增材制造的方法和系统
摘要：
披露了增材制造系统的实施例。在一个实施例中，增材制造系统包括用于逐层依次地熔敷材料以形成三维(3D)部件的多焊条阵列。所述系统包括用于为每个焊条建立焊接电弧提供电力的电源。所述系统包括驱动每个焊条的驱动辊。所述系统还包括用于以第一熔敷速率操作所述系统以形成所述部件的层的第一分辨率轮廓部分的控制器。所述控制器还以第二熔敷速率熔操作所述系统以形成所述部件的所述层的第二分辨率填充部分。所述系统以所述第二熔敷速率使用可变数目的所述焊条提供可变宽度熔敷。所述第一熔敷速率低于所述第二熔敷速率，并且所述第一分辨率高于所述第二分辨率。
摘要（英）：

Embodiments of additive manufacturing systems are disclosed. In one embodiment, an additive manufacturing system includes an array of multiple electrodes for sequentially depositing material layer-by-layer to form a three-dimensional (3D) part. The system includes a power source to provide electrical power for establishing a welding arc for each electrode. The system includes a drive roll to driveeach electrode. The system also includes a controller to operate the system at a first deposition rate to form first resolution contour portions of a layer of the part. The controller also operates the system at a second deposition rate to form second resolution fill portions of the layer of the part. The system provides variable width deposition at the second deposition rate using a variable number of the electrodes. The first deposition rate is lower than the second deposition rate, and the first resolution is higher than the second resolution.

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