Repo Dosen ULM

Water jet characteristics in SS400 steel cutting process on surface roughness

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dc.contributor.author Tamjidillah, Mastiadi
dc.contributor.author Subagyo, Rachmat
dc.contributor.author Ghofur, Abdul
dc.contributor.author Irawansyah, Herry
dc.date.accessioned 2023-05-09T23:47:39Z
dc.date.available 2023-05-09T23:47:39Z
dc.date.issued 2020-10-09
dc.identifier.issn 17578981
dc.identifier.uri https://repo-dosen.ulm.ac.id//handle/123456789/30584
dc.description corresponding author en_US
dc.description.abstract Abstract. The metal cutting process is the first step before the machining process is carried out so that the raw material in the form of sheet plates is designed according to the size planned for the manufacturing process. This cutting process is a high-speed type that takes into account the type of coolant at each parameter setting. So it is necessary to cut the sheet according to the drawing by adjusting the variation of the flow rate of water, pump pressure, nozzle cross-sectional area, and the type of water quality. The parameter setting of the cutting process is carried out to obtain various surface roughness results. By using a water jet cutting machine for the cutting process SS400 steel with a thickness of 12 mm in the cold process reduces the thermal effect and reduces the conductivity, HAZ in the cutting process with parameter settings. By using different types of water quality (mineral water and clean water) to get optimal surface roughness, avoid overheating, minimize waste chips and at the same time be environmentally friendly. With water jet technology, you can get good surface roughness for mineral water and clean water. Variations of stand-off distance 8, 10, 12 mm, (clean water) fluid velocity of 300 m s-1 and pump pressure of 50,000 psi on the turbulent flow Re 4000 gets the optimum results on the surface roughness test, which is 3.45 µm. For the variation of stand-off-distance 8 mm,10 mm and 12 mm, (mineral water) fluid velocity of 300 m s-1 get the optimum result on the surface roughness test which is 3.69 µm. Keywords: cutting, nozzle, water jet, turbulent, surface roughness en_US
dc.publisher IOP Publishing Ltd en_US
dc.relation.ispartofseries 1034;012045
dc.subject Research Subject Categories::TECHNOLOGY en_US
dc.title Water jet characteristics in SS400 steel cutting process on surface roughness en_US
dc.type Other en_US


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