Secondary Stage Crushers
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Rock leaving the primary crusher typically is 8 inches in diameter or less. This crushed rock is moved to the Secondary Crusher to reduce it further in size. or is being crushed by the same crusher which is adjusted to deliver a smaller output material.
The Cone Crusher is often used in the Secondary stage. in this stage the size control and shape starts to get important. Using a secondary HSI means as always a restriction in feed hardness