CPC B29C 64/386 (2017.08) [B29C 64/205 (2017.08); B33Y 30/00 (2014.12); B33Y 50/00 (2014.12); G01B 11/303 (2013.01); G06T 5/70 (2024.01); G06T 7/0004 (2013.01); G06T 2207/30144 (2013.01)] | 20 Claims |
1. A method of monitoring a powder bed process in additive manufacturing, using at least one processor, the method comprising:
obtaining a first image of a powder bed layer from scanning the powder bed layer in a first scanning direction using a first contact image sensor, the powder bed layer being formed by a powder re-coater arm in the powder bed process and the first contact image sensor being attached to the powder re-coater arm;
determining a focus level property of the first image; and
detecting non-uniformities in the powder bed layer based on the focus level property of the first image.
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