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Research on Integrated Forming Process of Flange Nuts by Three-Roll Skew Rolling and Piercing
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Abstract
In order to realize the high-quality production of large-size flange nuts, a new integrated forming process of flange nut blank by three-roll skew rolling and piercing is proposed in this paper. Different from the traditional hot upsetting and forging process, this new process integrates perforation and flange forming, and the whole process goes through the perforation stage and the reducing stage. Based on Simufact.Forming 15.0, the finite element simulation model forming flange nuts by three-roll skew rolling and piercing was established, and the feasibility and forming law of flange nut blank manufactured by the new process were explored. Seven main process parameters (speed of the barrel roller, feed angle of the barrel roller, plug advance, speed of the disc roller, feed angle of the disc roller, radial feed speed of the disc roller, axial traction speed of the chuck) were selected and imported into the simulation model for single factor analysis. The influence of different process parameters on the force and energy parameters of the piercing section and the forming section was explored, and the feasibility of forming the flange nut blank by the three-roll skew rolling and piercing process was verified.
American Society of Mechanical Engineers
Title: Research on Integrated Forming Process of Flange Nuts by Three-Roll Skew Rolling and Piercing
Description:
Abstract
In order to realize the high-quality production of large-size flange nuts, a new integrated forming process of flange nut blank by three-roll skew rolling and piercing is proposed in this paper.
Different from the traditional hot upsetting and forging process, this new process integrates perforation and flange forming, and the whole process goes through the perforation stage and the reducing stage.
Based on Simufact.
Forming 15.
0, the finite element simulation model forming flange nuts by three-roll skew rolling and piercing was established, and the feasibility and forming law of flange nut blank manufactured by the new process were explored.
Seven main process parameters (speed of the barrel roller, feed angle of the barrel roller, plug advance, speed of the disc roller, feed angle of the disc roller, radial feed speed of the disc roller, axial traction speed of the chuck) were selected and imported into the simulation model for single factor analysis.
The influence of different process parameters on the force and energy parameters of the piercing section and the forming section was explored, and the feasibility of forming the flange nut blank by the three-roll skew rolling and piercing process was verified.
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