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Wear Reason And Repair Method Of Rotary Vane Vacuum Pump

For the problem of the difference between the rated head and the actual running head of the rotary vane vacuum pump, we can reduce the outer diameter of the working wheel by cutting, and reduce the head and flow to make it consistent with the actual lift. Changing the design work point of the rotary vane vacuum pump is an effective way to improve the operating efficiency of the rotary vane vacuum pump. Although the rotary vane vacuum pump is susceptible to corrosion, it is still popular because of its high vacuum. Anyone who knows about the vacuum pump will know that the vacuum of the rotary vane vacuum pump is high because the gap between the rotary vane and the rotor is very precise. Therefore, once the rotor is worn, it will definitely have a great impact on the performance of the rotary vane vacuum pump. Next, I will analyze the cause and repair method of the rotary vane vacuum pump for you.

Vacuum Pump

Vacuum Pump

First, what are the reasons for the wear of the rotary vane?

1. Dirty things or hard solid particles enter the vacuum pump and collide with the rotating piece for a long time, causing the rotating piece to be damaged.

2. The normal wear of the rotary vane is also a very important reason. When the vacuum pump oil is emulsified, the wear of the rotary vane will increase.

3. The rotary vane vacuum pump has better performance, uniform pumping, low noise and low power consumption.

4. After prolonged use, the sealing performance will be degraded due to the wear of the rotary vane, which will greatly reduce the pumping capacity and vacuum.

Second, how to repair worn rotating blades and improve vacuum?

1. In the case of large wear and tear, if the processing capacity permits, it can be replaced with a new one. Because it is more convenient to change the new rotary vane than the end of the grinding pump cavity.

2. If the rotor is worn out, correct the rotor with the smallest dimension of the rotor. The fine crepe paper can be pushed flat, and the size and the square rule are measured while grinding until no clear gap is visible.

3. If the rotary vane wears too much, first apply to the grinding machine. Then according to the selected clearance value to scrape, grind the rotor and pump cavity both ends to ensure the clearance between the three.

Finally, I want to introduce you to a 2XZ series rotary vane vacuum pump produced by our company for your reference.

Vacuum pump working principle

Vacuum pump working principle

2XZ-1 rotary vane vacuum pump is a double stage high speed direct coupling structure rotary vane type vacuum pump, which is the basic equipment used to pump gas of the sealing container. Its air bleed speed is 1L/s(50Hz), 1.2L/s(60Hz); partial pressure≤6×10-2 Pa; motor power is 0.25kw; oil volume is 0.7L. Pump cavity is provided with a rotor, the rotor slot with rotary vane. The rotor drives the rotary vane rotation, the rotary vane close to the chamber wall and separated air inlet port from the discharge port, and the air inlet area of cavity volume is periodically enlarged and inhale, discharge chamber volume is periodically reduced and compressed gas, open the exhaust valve to exhaust gas and then to obtain vacuum. Its working performance is composed of two parts, the high level and low level. Its suction is connected with vacuum equipment, when in operation The gas in container will have a large number of suction and discharge, when the equipment got vacuum, high pressure grade exhaust valve is closed, high-pressure grade inlet gas will be transferred to the second level, and through the second stage suction and discharge vacuum equipment, it can obtain a certain vacuum. Pump connecting shaft with motor, high speed, small appearance, compact structure, convenient mobility work.

Vacuum pump

Vacuum pump

The above mentioned text is the introduction of wear reason and repair method of rotary vane vacuum pump. If you want to know more about wear reason and repair method of rotary vane vacuum pump, there is a article about the corrosion hazards and repair methods of vacuum pump. If you are interested, you can click to view. If you want to know more about this, please contact with the henan lanphan. Henan lanphan is a qualified company, which boasts good reputation both home and abroad. For several years, we are dedicated to the manufacture of laboratory equipment and pipe fittings. If you want to know more more about this or possess the intention to buy it, please contact with us as soon as possible. We are willing to provide you as much information as possible. Our email address is the [email protected]

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