In order to increase the maximum working pressure of the vane pump, what measures have been taken on the structure? Zhejiang Yongling Hydraulic Machinery Co., Ltd.-a large high-performance hydraulic vane pump manufacturer explained:

In order to increase the maximum working pressure of the vane pump, the structural measures are mainly to make the vane not only reliably contact the inner surface of the stator, but also prevent the contact stress between the two from being too large and causing serious wear.


In the early days, the maximum working pressure of the vane pump was not more than 6.3MPa, and now the maximum working pressure of the vane pump in the world has reached 20-30MPa. To achieve high pressure of the vane pump, the following two problems must be solved.


① Leakage of rotor end surface and blade top.


②Abrasion of blade and stator inner surface.


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