## Optimization Design of Pre-extrusion Combined Die Based on Particle Swarm Algorithm

- Y. Zhang, J. Zhou, Q. G. Hu
- Thermal Processing Technology,
- 2010

- Published 2017 in 2017 International Conference on Sensing…

Through implementing the equal-strength analysis based on unified strength theory, strength calculation formulas of two-and three-layer prestressed combined dies for cold extrusion were derived in this investigation. Two parameters were included in the suggested strength expression, parameter α presenting/considering the difference between material… CONTINUE READING

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