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Feldspar Grinding Mill

Feldspar Grinding Mill grinding roller bearing operation precautions

Bearing use is the subjective control aspect of the user, and it is also the key to affect the life of the bearing. From the installation to the specific operation and maintenance, the factors affecting the bearing life are infiltrated. Feldspar Grinding Mill bearing operations mainly include sealing, lubrication and monitoring.

The seal also has a large effect on the working life of the bearing. The function of the seal is to prevent the lubricant from leaking outward from the bearing while preventing external dust from entering the bearing. In a high dust working environment, if a large amount of tiny hard particles enter the inside of the Feldspar Grinding Mill grinding roller bearing, it will deteriorate the bearing working environment, reduce the lubrication effect, and even form indentations on the raceway surface, causing pitting and even raceway. Surface peeling reduces the working life of the bearing. Therefore, the selection of high-reliability sealing components is essential to improve bearing life. The seals at the grinding roller bearings are in the form of a sealed air, that is, compressed air is used to prevent dust in the grinding chamber from entering the bearing lubricating oil. The sealing wind should have a certain pressure, and the gap at the wind ring should not be too large. For the Feldspar Grinding Mill, the sealing air pressure should reach 5000Pa or more, and the wind ring clearance should be less than 3~5mm, ensuring the wind speed at the wind ring. Above 50m/s, it can effectively seal.

In high temperature, shock, heavy load, low speed applications, good lubrication conditions of the bearings are difficult to form, and the harsh dust environment and impact deteriorate the lubrication. The practical application results show that the damage of the roller bearings of most Feldspar Grinding Mills is the result of improper bearing lubrication.

Since the Feldspar Grinding Mill is lubricated by the oil pool, it can not effectively take away the heat generated when the bearing works, it is not easy to remove the tiny impurities existing inside the bearing, and purify the working environment of the bearing. Therefore, the choice of lubricants is particularly important. The choice of lubricating oil should pay attention to the grade and quality. At the same time, the lubricating oil should be equipped with extreme pressure additives. It is recommended to choose ISOVG680PAG synthetic lubricating oil, and must meet the viscosity of 100 °C oil more than 90cSt. The amount of lubricating oil should be appropriate, and the oil sample should be inspected periodically to see if it contains impurities, water and abrasive particles.

Monitoring and protection: sealing pressure and bearing temperature should be monitored in real time, control logic and interlocking can not be removed casually. When sealing pressure and bearing temperature are abnormal, it is necessary to stop grinding in time to prevent damage to the grinding roller bearing of the established mill.

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