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Failure analysis of forging of a fuel gear pump shell

Macro analysis It can be seen from Fig. 1 (a) that the cracks are exposed on the forging surface, the plane composed of transverse and longitudinal cracks is parallel to the forging axial direction, and the crack plane is about in the middle region of the forging; After opening...

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Cause analysis of noise in internal gear pump

(1) Pump flow pulsation causes noise. In the process of operation, the pump is faced with the noise problem caused by flow pulsation phenomenon, and the possibility of flow pulsation being eliminated in the process of pump operation is very low. The results show that the flow pulsation of...

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Working principle of internal gear pump

With the rapid development of industrial society, the application scope of internal gear pump is more and more wide, and the requirements are also higher and higher. In addition to improving its work efficiency, it is also necessary to reduce the noise generated in the operation process as far...

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