International Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE)

Monthly Journal for Mechanical and Civil Engineering

Volume2,May 2017,

Topic : Grey Cast Iron Turning Process Modeling and Simulation using AdvantEdge 2D Edge rounding comparison for uncoated carbide inserts

Authors:Dinesha Kumar U || Ramesh S Rao

Abstract:In the last decades, the modeling and simulation of machining processes became very important for researchers. AdvantEdge FEM is an explicit commercial code for designing, improving and optimizing machining processes. The solver is optimized for metal cutting processes. For grey cast iron turning coated carbide inserts without chip-breaker (like CNMA geometry) is being used. Insert micro-geometries like edge rounding radius r and edge symmetry S plays an important role in deciding insert wear criteria and tool life. An optimum edge rounding radius should be provided for the insert during edge honing process to obtain maximum insert tool life. The stresses acting on the tool and the temperature distributions inside the tool tip are crucial. The strength of the cemented carbide depends strongly on temperature, a dependency that increases with increasing temperature. In this paper finite element simulations of orthogonal turning of GG25 Cast Iron with uncoated cemented carbide inserts are performed. Cutting forces, stress and edge temperature distributions are compared in 2D orthogonal turning for different edge rounding radius (r = 10μm, 30μm, 50μm and 70μm) and using the actual testing parameters. The modeling and simulation of the turning process can be used to get more inputs the turning process and process parameters.

Keywords: Turning Inserts, Cemented Carbides, Tool Life, AdvantEdge 2D, Insert micro-geometries

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DOI: 01.1617/vol4/iss5/pid38176


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