Crushing ratio jaw crusher

Crushing ratio is a measure of jaw crusher important evaluation index, jaw crusher crushing ratio is the ratio of raw materials after crushing granularity and accuracy of a product. It indicates the degree of crushing of raw materials after reduced. After the ore is crushed, the smaller particle size, the ratio of the particle size and particle size of the crushed ore crusher broken than before is called. It represents ore after crushing, narrow particle size multiples. Calculated crushing ratio are the following:
1, with a maximum particle size and maximum particle size before crushing ore crushing after law to calculate the maximum size

Crushing ratio jaw crusher

With this method of calculation in the concentrator design often, because according to the ore to determine the maximum size jaw crusher to the mine mouth width design
2, with the jaw crusher feed opening and effective than the width of the discharge opening width
Some jaw crusher, not by the size of its nesting nesting population size to decide.
3. Calculate the average particle size before and after the broken ore, also known as the average crushing ratio
Feature
1, low noise, less dust.
2, the crushing ratio, uniform particle size.
3, simple structure, reliable operation and low operating costs.
4 lubrication system safe and reliable, easy to replace parts, equipment maintenance is simple.
5, the crushing chamber depth and no dead zone, increase the feed capacity and output.
6, energy-saving equipment: stand-alone energy-saving 15% to 30%, more than double the energy-saving system.
7 nesting population adjustment range, to meet the requirements of different users.
working principle
When the jaw crusher work, activities jaw fixed jaw for periodic reciprocating motion, sometimes close, sometimes leaving. When approached, the material being squeezed between the two jaw, splitting, impact is broken; when the left has been crushed by the gravity of the material discharged from the discharge port.
In the huge stones broken into small stones in the process, the first crusher is usually "master" crusher. The oldest and most solid crusher is jaw crusher. When the jaw crusher to feed the material from the top of the inlet into the chamber containing the jaw broken teeth, jaw teeth with great force to the top of the wall material, it will be broken into smaller stones. Support jaw tooth movement is an eccentric live, this eccentric shaft through the body architecture. Eccentric motion is usually fixed at both ends of the flywheel axle generated. Flywheel and eccentric support bearings are often used spherical roller bearings, must withstand tremendous impact loads, abrasive sewage and high temperatures.

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