Optimization of Surface Roughness (Ra) of Steel SAE 316L by Water Jet Cutting
الملخص
An abrasive water jet (AWJ), is a machining process that uses a pressurized water contains particles of materials with high hardness aiming to cut some materials. It is a precise cutting method used in industries such as manufacturing, aerospace, and construction. For machining different material, AWJ is proven as new and successful technology. in terms of roughness of surfaces of the produced components by machining, concerns should be considered when apply a suitable machining operation. This work shows the effect of AWJ parameters on surface roughness (Ra) when steel SAE 316L plates is cut using water jet technology. Design of experiments and analysis of results is made by the use of Taguchi’s technique. the two parameters that uses in this investigation are water pressure and nozzle movement speed during cutting of SAE 316L steel using abrasive Water jet cutting process. The results are recorded based on the experimental tests. According to the experimental results and their analysis some points can be concluded, the surface becomes smoother as the jet pressure increases due to the increase of particles' kinetic energy. The change in nozzle speed influences the surface roughness of workpiece. In order to get a good surface roughness, low speeds and high pressure should be applied.
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