Causes of gear wear caused by dry ball mill

There are many causes of gear wear in dry ball mills. Here, Yingkuang Machinery focuses on how the inadequate protection of the gear cover of dry ball mills affects the life of the gears of ball mills.

The transmission method of dry ball mills is semi-open gear transmission. Dust and mineral particles are extremely easy to enter the gear cover. If the bolts on the gear cover are loose or the cover is damaged while sliding for some reason, dust and mineral particles will enter the gear cover in large quantities. Once these dust and mineral particles enter the gear cover of the dry ball mill, they are difficult to sort out after being mixed with the lubricating oil, or even impossible to sort out.

These free hard particles that enter the friction surface from the outside become grinding media between the meshing tooth surfaces. They may plow and remove many grooves on the two gear surfaces, forming micro-cutting on the gear surface, which not only directly aggravates the wear of the tooth surface, but also pollutes the lubrication environment and deteriorates the oil quality, so that the transmission gear cannot get the proper lubrication. In fact, the dust in cement plants is usually large, and the dust is easily brought into the shield by the rotating gears, which pollutes the lubricating oil.

Therefore, when the liner bolt at the discharge end of the dry ball mill is loose or broken by the steel ball, or the gasket is damaged, the ore powder will leak out along the bolt hole or be thrown out by the dry ball mill, enter the poorly protected shield, mix into the lubricating oil, and long-term grinding of the tooth surface accelerates the abrasive wear of the gear.

Strengthen the management of the dry ball mill and eliminate the neglect of operation caused by poor management. In daily operation, we should accumulate little improvements, step into the perfect management function of the ball mill, and strive for a good grinding working environment for the dry ball mill.