中國有色金屬學(xué)報(英文版)
Transactions of Nonferrous Metals Society of China
| Vol. 9 No. 1 March 1999 |
UPPER-BOUND APPROACH ANALYSIS OF DRIVING POWER OF WHEEL FOR CASTEX①
Cao Furong, Shi Zhiyuan and Wen Jinglin
（Department of Metal Forming, School of Materials and Metallurgy,Northeastern University, Shenyang110006, P. R. China）
Abstract:CASTEX(Cast Extruding) is a relatively new process in the metal working and a further improvement of the CONFORM(Continuous Extrusion Forming) process with feedstock changing into molten metal instead of granular feedstock or rod. A deformation zone division has been made and a driving power formula of wheel groove has been established by applying the Upper-Bound Theorem to the CASTEX process. It is shown by experiment and calculation that the calculated results are in agreement with the experimental ones.
Key words: casting extrusion continuous extrusion upper-bound theorem
