Abstract
The paper presents data on state of the art in selective laser sintering of products. Layer-by-layer sintering is shown to be a future-oriented technology, making it possible to synthesize products of metal powder materials. Factors, influencing the quality of a sintered product, are revealed in the paper. It presents outcomes of experiments, focused on the dependence of surface layer thickness of sintered aluminum powder PA-4 on laser processing conditions. Basic factors, influencing the quality of a sintered surface layer include laser power, speeds of scanning and moving the laser beam on the layer of powder. Thickness of the sintered layer varies from 0.74 to 1.55 mm, as the result of changing the laser processing conditions.
Highlights
The present day economy makes use of layer-by-layer laser sintering technologies in order to reduce production time and manufacture competitive products
This paper presents outcomes of experiments focused on the influence of laser processing conditions on the surface layer thickness of aluminum powder PA-4 produced by layer-by-layer laser sintering
The effect of sintering process conditions on the surface layer thickness of the sintered aluminum powder PA-4 is studied in this paper
Summary
The present day economy makes use of layer-by-layer laser sintering technologies in order to reduce production time and manufacture competitive products These technologies enable synthesizing products of any configuration from metal powder materials with a preset accuracy on the base of a 3D CAD-model, requiring no preliminary costs for tooling preparation. These technologies have an extra advantage; it is a considerable material economy when manufacturing products of complex configuration [1,2,3,4]. Some powder is fed into the area of sintering; a layer coinciding with the section of a product is formed via moving a laser beam on the section area in preset conditions.
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