The article deals with the evaluation of chosen parameters of surface roughness on the square section samples from stainless steel 316L (1.4404), manufactured by the additive technology with using Selective Laser Melting method (SLM). As part of the experiment was measured (scanned) and compared of chosen parameters of surface roughness on plane area of the samples printed in the same process parameters with a difference of power of the laser. One set of samples was printed during half power machine (200 W), the second during maximum power (400 W). The samples were oriented in the building chamber in the same way. The plane areas of blocks were parallel with plane XZ and YZ of coordinate system of 3D printer Renishaw AM400. The measuring of parameters of surface roughness was evaluated by optical microscope Alicona Infinite Focus5.Keywords: Keywords: 3D printing; Additive Technology; Renishaw; Surface Roughness; Alicona microscope.
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