Roll Crusher Caters To Economic Development
Roll Crusher Caters to Economic Development
With economic growing, a variety of metals and non-metallic minerals, cement factories, buildings, gravel and metallurgical industry has expanded their production scale; crushers--their processing machinesplay a very important role in the development, and have become stanchion of the industry. It is expected that efficient free-pollution fuel and machinery will have good development prospects in the future. To a certain extent, reducing power consumption or improving system output can solve the problems of low production and disorder operation in cement enterprises. Roll crusher continually accelerate its development, adopt a simple, practical and versatile mechanical hydraulic electrical protection system for crushing materials of medium hardness in cement, metallurgy, chemicals, electricity, coal and other industrial sectors, for example, it is used in coarse crushing or fine crushing limestone, slag, coke, coal and other materials. The reasons are following:
First, roll crusher mainly adopts impact crushing, it has big crusher ratio, which can be more than 50 and is the twice of
jaw crusher,
cone crusher. Thus, crusher with impact crushing way are often adopted in single stage crushing occasions, such as limestone crushing in the cement industry.
Then, product particles are better. Under the affect of impact crushing, the materials tend to be broken along the most vulnerable aspect, which makes a high probability of the cube form. Therefore, the percentage content of flakiness will be lower by 10% compared with the jaw crusher and cone crusher. Thus, we often adopt crusher with impact crushing way as the last crusher to produce concrete aggregate in cube particle-needed occasions, such as the anti-skid road surface in highways.
Hongxing machine will constantly update the development of roll crusher technology with professional knowledge, and strive to make continuous efforts for social progress.
For rolling bearing maintenance
1. Mounting surface and installation field of the requirements
If there is iron bearing , burrs , dirt and other foreign matter to enter the bearing ,which will produce noise and vibration during operation , or even damage the raceway and rolling elements . Therefore , before installing the bearing , you must ensure that the mounting surface and the installation environment clean.
2. Rolling bearing whether should be cleaned before installation
Rolling bearing surface is coated with anti-rust oil , you must use gasoline or kerosene to clean carefully ,and then coated with clean high-quality or high-speed high-temperature grease before installation . Cleanliness has much influence to the bearing life and vibration noise . But we want to remind you that : totally enclosed bearings do not need to clean the fuel .
3. Choose grease
Lubrication of the bearing operation and life which is a very important influence , here to brief you how to choose a grease general principles .
Grease is made of the base oil , thickener and additives , different types and different brands of the same type of grease performance varied widely, allowing different rotation limit , the choice is important to note . The performance of the grease is decided base oil , typically low- viscosity base oil is used for low temperature , high-speed ; high-viscosity is used for high temperature, high load . 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 ,which also affects each other because of the different additives adversely .
by: nicole
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