An Upper Bound Solution for the Extrusion of Square Section from Round Bar through Converging Dies

1981 ◽  
pp. 97-105 ◽  
Author(s):  
S. Hoshino ◽  
J. S. Cunasekera
Keyword(s):  
Upper Bound ◽  
Bound Solution ◽  
Upper Bound Solution ◽  
Round Bar

Upper-Bound Solution for the Stability Analysis of Layered Slopes

2022 ◽  
Vol 148 (3) ◽  
Author(s):  
J. Y. Zuo ◽  
B. T. Wang ◽  
W. W. Li ◽  
H. X. Zhang
Keyword(s):  
Stability Analysis ◽  
Upper Bound ◽  
Bound Solution ◽  
Upper Bound Solution ◽  
The Stability

A Control Strategy and Upper Bound Solution for Non-Flat Tool Open Die Forging Automation

1999 ◽  
Author(s):  
T. J. Nye
Keyword(s):  
Control Strategy ◽  
Upper Bound ◽  
Sequence Generation ◽  
Bound Solution ◽  
Upper Bound Solution ◽  
Die Forging ◽  
Strategy Model ◽  
Model Predictions ◽  
Open Die Forging ◽  
Good Agreement

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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