Some Notes for Rolling Bearing Maintenance
Rolling bearing is an important part for crushing machine, and as for the maintenance, we should follow the below points:
1. Mounting surface and installation field of the requirements
If there iron bearing, burrs, dirt and other foreign matter are involved into the bearing, it will produce noise and vibration during operation process , or even damage the raceway and rolling elements . Therefore , before installing the bearing , please keep the mounting surface and the installation environment clean.
2. Rolling bearing should be cleaned before installation
Rolling bearing surface is coated with anti-rust oil, you must use gasoline or kerosene to clean it carefully ,and then coat it with clean and high-quality or high-speed high-temperature grease before installation . Cleanliness has much important effect on the bearing life and vibration noise.
3. Choose grease
Lubrication operation of the bearing has a very important influence on its life, here we briefly tell you how to choose a grease.
Grease is made of the base oil , thickener and additives; different types and different brands of grease vary widely on performance. The performance of the grease is decided by base oil , typically low- viscosity base oil is used for low temperature; high-viscosity is used for high temperature . Thickener is also related to the performance of lubrication , the grease thickener of water resisting property decides the grease lubricant water resisting property . In principle, the grease does not mix different brands , and even if the same kind of grease thickener affect each other because of the different additives are adverse .
4. In the lubricating bearings, it is is a common mistake concept that the more coating, the better. Bearing and bearing indoor have much too oil which will cause excessive oil mixing, resulting in extremely high temperatures.
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