The issues,the intensity on the low side and the unqualified intensity after rechecked by manufacturer,which are often appeared in the quenching and tempering process for big section 34CrNi3Mo impeller have been analyzed and researched.

Hot Deformation Behavior of Steel 34CrNi3Mo;

Model of Isothermal Compress Static Softening during Interpass for Steel 34CrNi3Mo;

Tool-path planning for rough machining of impeller in 5-axis machine tools;

Reverse engineering design of submersible mixer's impeller based on Surfacer and Pro/Engineer;

Inspecting defects inside impeller of electric submersible pump by fluid pressure loss measurement method;

The Experimental Study of Power Characteristic on Blades of Minitype Concentrated Wind Energy Turbine;

Pressurized water is usually used to clear dust deposits on the blades of steel-making plant fans.

In view of the damage to impellers and mechanical seals of the medium pressure carbonate solution pumps during operation,this paper briefly analyzes the reasons for the damage and presents the fabrication method of the welding impellers which substitute for the original casting impellers It also presents the application effects of the welding impeller

According to the calculation results, three different outlet impellers were designed for a certain range viscosity of pumping medium.

Manufacturing problem of the impellers of mixed flow pump are studied, and the relevant geometrical model is described.

Quantitative optimization method for rotor geometric parameters of liquid turbine flow sensor;

Distribution of velocity-moment at rotor outlet in blade design of axial-flow pumps;

Research on High Efficiency Manufacture Process of Aluminum Alloy Rotor;