Supposed by National Natural Science Foundation of China(Grant No.51075348);Hebei Provincial Natural Science Foundation of China(Grant No.E2011203151);Research Fund for Doctoral Program of Higher Education of China(Grant No.20101333110002)
The double flapper-nozzle servo valve is widely used to launch and guide the equipment. Due to the large instantaneous flow rate of servo valve working under specific operating conditions, the temperature of servo val...
Supported by National Natural Science Foundation of China(Grant No.51075348);Hebei Provincial Natural Science Foundation of China(Grant No.E2011203151);Research Fund for Doctoral Program of Higher Education of China(Grant No.20101333110002)
Durning the design process of hydrostatic rotary worktable,the processing and assembly tolerance,(the offset of worktable and the gap of the oil film’s thickness)is ignored.But it will cause that the real bearing o...