Maintenance method of vacuum pump of vacuum coating machine

In view of some problems that occur during the use of the vacuum pump of the vacuum coating machine, the maintenance experts of the vacuum coating machine have summarized the following daily maintenance and maintenance methods for the vacuum pump of the vacuum coating machine.

1. Check whether there is any looseness in the pipes and joints of the rotary vane vacuum unit. Turn the vacuum pump by hand to see if it is flexible.

2. Add bearing lubricating oil to the bearing body, observe that the oil level should be at the center line of the oil mark, and the lubricating oil should be replaced or replenished in time.

3. Close the gate valve, outlet pressure gauge and inlet vacuum gauge of the outlet pipe.

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4. Unscrew the water diversion screw plug of the vacuum pump body, and fill with water or slurry.

6. Turn on the motor. When the vacuum pump is running normally, open the outlet pressure gauge and the slide valve vacuum pump. After seeing the proper pressure, open the gate valve gradually and check the motor load.

7. Try to control the flow and head of the vacuum pump within the range indicated on the label to ensure that the vacuum pump runs at the highest efficiency point to achieve the greatest energy saving effect.

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8. During the operation of the vacuum pump, the bearing temperature must not exceed 35°C, and the maximum temperature must not exceed 80°C.

9. If abnormal sound is found in the vacuum pump, stop and check the cause immediately.

10. Regularly check the wear of the shaft sleeve, and replace it in time when the wear is large.

11. During the first month of operation of the vacuum pump, change the lubricating oil after 100 hours, and then change the oil once every 500 hours thereafter.

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12. Regularly adjust the packing gland to ensure that the leakage in the packing chamber is normal, and it is advisable to leak out.

13. To stop using the vacuum pump, first close the gate valve and pressure gauge, and then stop the motor.

14. When the vacuum pump is used in the cold winter season, after stopping, unscrew the drain plug at the bottom of the pump body to drain the medium to prevent freezing and cracking.

15. If the vacuum pump is out of service for a long time, it is necessary to disassemble the pump completely, wipe off the water, coat the rotating parts and joints with grease and install them, and keep them properly.

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Founded in 2015,Zunhua Baorui Titanium Equipment Co.,Ltd. is a manufacturer specializing in pvd vacuum ion coating equipment. The company’s products mainly include large plate coating machine, large tube collating machine, tool coating machine and LOW-E glass production line. Mr.Wang baijiang ,general manager of the company ,has been engaged in vacuum coating industry for more than 30 years. He continuously improve production technology, improve product performance and devote himself to provide customers with better product experience and higher production efficiency.