Process design of multi-stage hot forging for manufacturing tripod housing
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In this study, we develop a multi-stage hot forging process to manufacture a weldless single-piece tripod housing. This multi-stage hot forging process consists of forward extrusion, blocker, and finishing stages. The thermo-mechanical three-dimensional finite element (FE) analysis is used to develop the overall manufacturing technology. This involved determining the shapes of the initial material and preform, as well as designing the blocker, finisher, and sizing die sets. The validity of the proposed hot forging process design was confirmed through hot forging experiments conducted on S45C billets. Quality assurance was then performed through prototype tests to assess the dimensional accuracy, hardness, and tensile strength of the hot-forged tripod housing. The results demonstrate that the tripod housing exhibits excellent mechanical and material properties, making it suitable for industrial applications.
Abstract
In this study, we develop a multi-stage hot forging process to manufacture a weldless single-piece tripod housing. This multi-stage hot forging process consists of forward extrusion, blocker, and finishing stages. The thermo-mechanical three-dimensional finite element (FE) analysis is used to develop the overall manufacturing technology. This involved determining the shapes of the initial material and preform, as well as designing the blocker, finisher, and sizing die sets. The validity of the proposed hot forging process design was confirmed through hot forging experiments conducted on S45C billets. Quality assurance was then performed through prototype tests to assess the dimensional accuracy, hardness, and tensile strength of the hot-forged tripod housing. The results demonstrate that the tripod housing exhibits excellent mechanical and material properties, making it suitable for industrial applications.