There are three main types Roller Crusher in the market: double roller crusher, three roller crusher and four roller crusher. Roller crusher is fine and super fine crushing machine; it is often used into the second or last part crushing at the whole production line. Then what is crushing ratio of roller crusher?
The crushing ratio can reach 5-10. For example, The range of feeding size is 130 mm, and the output size range is 0.5 – 60 mm. If you need a super fine crushing machine, you can choose a type with small output size, such as the 10 mm, but the capacity is smaller: just 0.5-10 tons per hour. If you need a high efficient cone crusher, such as 100 tons per hour, the output size is about 60mm, which is large for fine crushing. So roller crusher is widely used into secondary crushing and larger output size fine crusher.
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Roller Crusher is the only stone crusher which has two stages crushing inside the machine, without conveyor and sieve.
Three roller crusher is right the mining machine. Three roller crusher is made of three rollers, which form two crushing cavity with stagger arrangement structure. When three roller crusher works, the raw material is fed into the V type crushing cavity of the two upper rollers first. Then the discharge falls into the second crushing cavity. After two crushing by the extruding and breaking force of the counter-rotating rollers, the material finishes two stages crushing inside the machine, without conveyor or sieve to transmit other place.
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