FIT PROBLEM AND REASONABLY DESIGNING

THE SHRINKAGE OF THE STEAM TURBINE

Chang Liangming 

(Beijing Institute of Systems Engineering, Ministry of Machinery and Electronics Industry)

Wang Xucheng

(Qinghua University)

Abstract: In this paper, the stresses of wheel-shaft shrinkage fit problem of the steam turbine are analytized using elastic contact finite element method and compared with Second Calculating Method. And then two schemes to reasonably design the wheel-shaft shrinkage re proposed. It is shown that elastic contact finite element method is important to stress analysis and innovating design of steam turbine.
Key words: 叶轮 有限元法 过盈配合
Received 198911, received in revised form 199008