There are 2 main types impact crushers - horizontal shaft impact (HSI) crushers and vertical shaft impact (VSI) crushers.
The horizontal shaft impactors are the most common impactor type that can be used in recycling, primary and secondary crushing applications. This type impactor will take reasonable size pieces and produce small output material.
Vertical shaft impactors are designed to process already small material even smaller and are therefore used in a tertiary crushing application (e.g. producing manufactured sand).
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