WebDec 1, 2024 · The results indicate that the optimal hatch space is equal to 61% of the laser spot size given an SLM system with a laser power of 180 W, a scanning speed of 680 …
Did you know?
WebSelective laser melting (SLM) is well suited for the efficient manufacturing of complex structures because of its manufacturing methodology. The optimized process parameters for each alloy has been a cause for debate in recent years. In this study, the hatch angle and build orientation were investigated. 304L stainless steel samples were manufactured … WebKun Wang. In this paper, Ti-6Al-4 V (TC4 titanium alloy) specimens were prepared by a new process, the variable parameter forming process (VPFP) of selective laser melting (SLM) technology. The ...
WebThe impact of the different hatching distance on SLM parameter has been revealed. The surface morphology with the different hatching distance for the samples has been … WebGiven a hatch spacing of 0.06 mm and a powder layer thickness of 0.05 mm, Cu samples with 93.8% density and low surface roughness (Sa~22.9 μm) were produced using an optimized scan speed of 200 ...
WebJan 1, 2024 · Furthermore, the effect of the hatching space and the layer thickness on SLM forming 316L/CuSn10 multi-track was also studied with a laser power of 300 W and a scanning speed of 800 mm/s, ... by increasing the hatching space ((a) 40 μm, (b) 60 μm and (c) 70 μm) with the same laser power, scanning speed and layer thickness, by … Webscanning speed, laser power, hatch spacing and layer thickness, play an important role on the quality of SLM-processed products, which is under extensive exploration. For example, Liu et al. [11] conducted an investigation on how the hatching space, scanning speed and the solid solution of Al
WebFeb 8, 2024 · Chen et al. designed a set of experiments to investigate the effect of processing parameters (laser power, laser scanning speed, and hatching space) on the density of the AlSi10Mg parts manufactured by SLM. To analyze the SLM process integrally, laser energy density was introduced, which is a combination of the above dominant …
WebSep 9, 2024 · This paper aims to find the inner relationship between different single SLM processing parameters (laser power, scanning speed and hatching space) and density, … legacy elementary school greenville scWebThe SLM processing parameters, such as laser power, hatching space, scanning speed, and layer thickness, combine into a specific laser energy density that affects the quality of fabricated objects, particularly their density, microstructure, and mechanical properties. legacy elementary school harvest alWebOct 12, 2024 · The resulting repeat characteristics for a full range of hatch rotation angles is shown in Figure 3.. Whilst Dimter et al. cites 67° as being the optimum as it takes 18 layers repeat within 10° this observation changes if the assumption that a raster pattern of alternating vectors is used. The number of layers until the 67° scan strategy returns to … legacy elementary school las vegasWebJan 20, 2024 · 3.1.1. Analysis of Variance. The data in Table 3 were treated using multivariate regression fitting to obtain the regression equations of the response surface roughness Y 1, density Y 2, tensile strength Y 3, and elongation Y 4, respectively, expressed by the laser power A, scan speed B, hatching space C, layer thickness D, the angle … legacy elementary school vaWebAug 9, 2024 · where E D is the energy density (J/mm 3), P is the laser power (W), SS is the scanning speed (mm/s), H is the hatching space (mm), and T is the layer thickness [mm].. E D represents the amount of energy supplied by the laser per cubic millimeter of metallic powder per time unit. The laser energy density can be simply expressed in Joules per … legacy elementary school ocalaWebNov 1, 2024 · The SLM system employed a single-mode fiber laser (FITEL, Furukawa Electric Co., Ltd.) with a wavelength of 1084 nm and a maximum output power of 300 W in a continuous wave. ... SEM image of fabricated SS316L at a laser output power of 200 W, hatch space of 25 μm, and laser fluence of (a) 20 kJ/cm 2 (scanning speed: 10 mm/s) … legacy elementary school principalWebMay 27, 2016 · Hatch distance. The stripe pattern is a band defined by the scan vector width (ie stripe width), the hatching space between adjacent tracks and the scan direction as well as the overlap with the … legacyeliteprep.ignitiascools