In cold orbital forging, the rocking die performs complex motions on the components and the intervention between them cannot emerge, otherwise the components cannot be shaped successfully. Calculating the rocking die motion track is essential to determining whether there is intervention between the rocking die and components. Thus, this study aims to comprehensively investigate the rocking die motion track in cold orbital forging. For this purpose, an analytical model for calculating the rocking die motion track is first established. Then a universal motion track equation that can denote any geometry and kinematics relationships between the rocking die and components is obtained using this analytical model. To verify the validity of this motion track equation, an experimental study is conducted. The result shows that the calculated rocking die motion track is consistent with the experimental one. According to this valid motion track equation, the characteristics of the rocking die motion track are revealed. Finally, to apply the calculated rocking die motion track for analyzing the intervention between the rocking die and components, two case studies are examined.
Calculation Method for Rocking Die Motion Track in Cold Orbital Forging
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received October 10, 2014; final manuscript received June 9, 2015; published online September 9, 2015. Assoc. Editor: Gracious Ngaile.
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Han, X., Zhang, X., and Hua, L. (September 9, 2015). "Calculation Method for Rocking Die Motion Track in Cold Orbital Forging." ASME. J. Manuf. Sci. Eng. January 2016; 138(1): 014501. https://doi.org/10.1115/1.4030855
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