Study of Force and Kinematic Parameters of the Low-Waste, Zero-Draft Hot Forging of Welding Neck Flanges on the Basis of a Combined Expansion-Extrusion Deforming Procedure

L.V. Radionova; Vasily A. Ivanov; S.S. Strugov

doi:10.4028/www.scientific.net/MSF.946.823

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Study of Force and Kinematic Parameters of the Low-Waste, Zero-Draft Hot Forging of Welding Neck Flanges on the Basis of a Combined Expansion-Extrusion Deforming Procedure

Abstract:

This paper demonstrates the development of a technology for low-waste zero-draft hot forging of axisymmetric parts, in particular, welding neck flanges, on the basis of an expansion-extrusion deforming procedure. In this study, we carried out a process simulation by means of DEFORM 3D for a qualitative evaluation of the plastic yield. Based on the simulation results, the method was proven feasible, and we set forth the goal to prepare the process and design guidelines for further industrial application. The region of plastic deformation was determined, and a general view of the function for determining kinematic parameters was given according to A.L. Vorontsov’s procedure. The force parameters of the zero-draft hot forging process by the combined expansion-extrusion procedure were analyzed by studying the kinematic conditions of the forging. The general function for determining the force parameters was found.

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Periodical:

Materials Science Forum (Volume 946)

Pages:

823-831

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.946.823

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Online since:

February 2019

Authors:

L.V. Radionova*, Vasily A. Ivanov, S.S. Strugov

Keywords:

Expansion, Extrusion, Force Parameters, Mathematical Modeling, Welding Neck Flanges

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