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The Simulation And Numerical Analysis About Manufacture Processing Of Stainless Steel Based On ABAQUS

Posted on:2012-08-31Degree:MasterType:Thesis
Country:ChinaCandidate:S YaoFull Text:PDF
GTID:2211330362955865Subject:Mechanical design and theory
Abstract/Summary:PDF Full Text Request
Stainless steel has a wide application in the fields of aerospace, marine, nuclear equipment due to its excellent mechanical properties and chemical properties. In the manufacturing process, the quality of different to shape will result in poor cutting efficiency, inferior quality of machining, and severe wear of tool. These issues have become restricted obstacles to the development of stainless steel processing, the resolve of these problems will not only help to improve processing level of stainless steel, but also provide some reference for other materials, and is significant to the development of chinese equipment manufacturing industry.In this study, different cutting parameters on cutting force, cutting temperature and chip effects for the right-angle cutting and milling process were respectively researched.1.Through studying the AISI-316L material constitutive equation of Johnson-cook, tool - chip contact models, chip separation model, chip damage and fracture, and other key technology, a finite element model of orthogonal cutting was established, in which the cutting chip separation model is the most important part of the simulation process, and has a significant effect on the formation of the chip, the technology of unit progressive damage failure was been used in this study. All above the technology was separately used in the cutting process of the finite element simulation.2.Using commercial finite element software ABAQUS to simulate the cutting process, researched the influence of cutting speed, feed rate and other processing parameters on stress, strain and temperature during the cutting processes. Compare and analysis the causes of chip formation, and finally compared the different geometry of the simulation results of cutting force under the same conditions.3.Simplified the geometric model of end mill, established a three-dimensional cutting model. By compare the results of simulation and experimental, the paper discussed the impact of the cutting speed, feed per tooth and other processing parameters on the force.Finally, the current problems and future devepments in this field are presented on the basis of a conclusion of this papar.
Keywords/Search Tags:stainless steel, finite element simulation, orthogonal metal cutting, three-dimensional milling, chip separation
PDF Full Text Request
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