Different type Roller Crusher has different rotation ways.
For double roller crusher, there are two different rollers. When it works, one roller is still, while the other is movable, which can protect roller crusher by drawing back automatically when the material is too hard or unbreakable.
Four three roller crusher and four roller crusher, rollers rotate at different speed. This special design can clean rollers and avoid the raw material caking. Those specialties of roller crusher gains lots of favor.
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