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System and method for controlling the size of the molten pool in laser-based additive manufacturing
System and method for controlling the size of the molten pool in laser-based additive manufacturing
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机译:在基于激光的增材制造中控制熔池大小的系统和方法
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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.
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