How does an impact crusher work? - Rubble Master

Rotor bodyX

There are different rotor body styles. Most common are 3-bar and 4-bar rotors. This example is a 4-bar rotor that can be operated in the following two operation modes:

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1. 4 high bars: this mode is for processing small materials (e.g. asphalt millings or gravel) or in a secondary crushing application (e.g. after a jaw crusher)
2. 2 high & 2 low bars: this mode is a multi-purpose setup which is ideal for  primary crushing and recycling applications.

Inlet openingX

The inlet opening defines the overall feed-size. As a rule of thumb it is recommended that the maximum feed size is 80% of the inlet opening width.

A chain curtain prevents rocks being ricocheting back ensuring operator safety.

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Impact wall or apronX

The impact wall is typically hinged and can be adjusted hydraulically. The apron is typically armored with replacedable impact plates. Some crusher types need to replace the entire impact wall once it is worn out.

Soft & medium hard rock

Every rock is different even if it is the same type of rock. There is soft limestone and there is hard limestone. Please consult a crushing expert to verify your application.

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