2011
DOI: 10.4028/www.scientific.net/amm.101-102.1055
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Influence Analysis of Block Wedge on Rolled-Piece End Quality in Cross Wedge Rolling

Abstract: The forming process of rolling workpieces with different end shapes with cross wedge rolling was simulated by the software Deform-3D. And combined with the principle of blank compensation method, the influence of process parameters on the volume of the stub bar of workpiece with flat end and circular-arc end was analyzed, and the method to effectively control the concavity of rolled piece end surface is brought forward by using circular-arc billet. According to the obtained research results, the volume of stub… Show more

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Cited by 5 publications
(3 citation statements)
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“…The first method was to constrain metal flow in the axial direction by means of side guides. This solution was described in studies by Shu et al [10] and Pater et al [11]. The second method involved providing the tool with a specially designed wedge block.…”
Section: Introductionmentioning
confidence: 99%
“…The first method was to constrain metal flow in the axial direction by means of side guides. This solution was described in studies by Shu et al [10] and Pater et al [11]. The second method involved providing the tool with a specially designed wedge block.…”
Section: Introductionmentioning
confidence: 99%
“…Zhenhai Ma [ 10 ] studied the influence laws of process parameters on the volume of stub bars, and put forward the theory that the concave size would decrease with the increasing of the forming angle and the constant size of the rolling piece’s end, and would increase with the increasing of the spreading angle and deformation quantity. Wangming Zu and Xinhong Wei [ 11 , 12 ] erected side wedges on the die in order to restrain the flow of the surface metal at the rolling end, thus decreasing the size of the concave. Wenwei Gong [ 13 ] put forward the method to design press blocks on the die in order to restrain the flow of the surface metal of the rolling piece, thus constraining the formation of concaves.…”
Section: Introductionmentioning
confidence: 99%
“…This effect can be achieved by making special wedge-shaped grooves on the tools (for restraining the material's surface flow) or by providing the tools with special side guides to totally prevent an axial flow of the material [26,27]. The application of these solutions reduces the size of cavities and ensures a considerable increase in the cross-sectional reduction in the workpiece in one tool pass [28].…”
Section: Introductionmentioning
confidence: 99%