Vacuum pump manufacturer meets process requirements

Because the attachment and wear between the rotor and the rotor of the high-speed direct-coupled pump increase, the temperature rise of the pump increases, so improving the attachment, wear and smoothness between the rotor and the pump chamber of the rotary-disk pump is the key to the development of the direct-coupled rotary-disk pump with good performance. Through the comprehensive calculation of Elastohydrodynamic energy smoothing practice, it is found that the static state between the existing pump rotor and pump chamber is improper, which makes the wear between the rotor, the rotor and pump chamber more serious, and it is difficult to find a suitable smoothing situation, resulting in the increase of temperature rise of high-speed rotary vane pump.

The way to overcome the wear is to keep the length of the rotary blade unchanged in the winding. The round pump chamber in front of us is helpless. In practice, an envelope of the rotor pump cavity can be proposed, which is an envelope tangent to the outer side of the envelope circle of a series of axisymmetric curves with the center of gravity. Naturally, the processing technology of this profile is more complicated than that of a regular circular profile, but the extra cost can be compensated for by improving the performance of the pump. That kind of pump, vibration, music, temperature rise, wear and tear will be reduced a lot.

Through the calculation of the pumping speed of the rotary vane pump, when the speed of the pump has reached a certain high value, adding more rotary vanes can popularize the pumping speed without increasing the offset of the rotor and the progress of the large line. It is also easy and feasible to increase the number of rotating blades in structure, so it is a hopeful path to popularize pumping speed.

Because the performance of all kinds of vacuum pumps can meet the common points of vacuum pumping for containers, there are still differences. Therefore, it is very important to make clear the task of the pump in the vacuum system when selecting. The so-called main pump is a vacuum pump that directly pumps the vacuum vessel of the vacuum system to obtain the vacuum required to meet the technological requirements. Coarse pumping refers to a vacuum pump that reduces the pressure of the vacuum system from atmospheric pressure to another pumping system that can start working.

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