An upper bound solution of tube drawing

1997 ◽  
Vol 63 (1-3) ◽  
pp. 43-48 ◽  
Author(s):  
Kyung-Keun Um ◽  
Dong Nyung Lee
1999 ◽  
Author(s):  
T. J. Nye

Abstract The open die forging process can provide a number of benefits if its costs can be made competitive through automation. This paper describes a control strategy for automated open die forging forming sequence generation. An upper bound solution for forging with radiused tools is developed, along with a method for using this solution to estimate forming results, a necessary component of the control strategy. Model predictions are compared to physical experimental data using plasticine, and show good agreement.


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