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1. Background introduction The gas turbine power plant adopts the STAG-109FA-SS single-shaft combined cycle unit, which is composed of a PG9351FA gas turbine, a two-cylinder dual-flow steam turbine with a D10 three-pressure reheat system, a 390H hydrogen-cooled generator, and a triple-pressure reheat but with a condenser The nat...

In the transmission, the role of the needle bearing is to support the floating gear on the shaft. Among them, the outer diameter of the shaft is equivalent to the inner raceway of the needle roller bearing, and the inner hole of the gear is equivalent to the outer raceway of the needle roller bearing. The inner and outer raceway...

1. The principle of the indirect measurement method of axial load In the process of aero-engine design, according to the calculation method of the axial force of the engine rotor, the axial force of the rotor can be divided into two parts: the axial force of the disc cavity and the axial force of the runner. , The axial force of...

The global megatrends of mobility and ?Industrie 4.0 as well as the associated further development of rolling bearings, plain bearings and linear guidance systems in terms of loading, operating life and power density are the main features of Schaeffler AGs Industrial divisions presence at the Hannover Messe 2015. In addition to ...

First. Tilting pad bearing structure and working principle Tilting pad bearing is composed of five arc-shaped pads, the upper half bearing is 3 tilting pads, the lower half bearing is two tilting pads, the pads can be freely tilted on the fulcrum, and the pads can swing freely when working , A multi-oil wedge is formed around th...

After the installation of NTN imported bearings is completed, in order to check whether the installation is correct, a running inspection is required. Small machinery can be rotated by hand to confirm whether it rotates smoothly. The inspection items include poor operation due to foreign objects, scratches, and pressure marks, u...

1. Overview Axial clearance is an important technical index in the application of double and four-row tapered roller bearings, which has a direct impact on the service life of the bearing. JB/T82362010 Rolling bearing double-row and four-row tapered roller bearing clearance and adjustment methods The conversion and adjustment me...

After FAG bearing seizes the shaft, the reasons can be found from several aspects: (1) Whether there is oil leakage in the grinding head. (2) Whether the oil sump is short of oil, and whether the oil level is lower than the indication line on the oil mark. There is a kind of flat grinding lubricating oil which is prepared with k...

Here is an example of a flat grinding head spindle adopting a spindle bearing structure with one end sliding and one end rolling. Among them, there are three kinds of friction states between the sliding bearing and the main shaft: boundary friction, liquid friction, and mixed friction. Boundary friction means that the two slidin...