Boratas Stationary Impact Crusher VSI Open Rotor uses the fed rocks to break itself, thus minimizing operating costs considerably compared to other crushers. The output result of these machines is of high quality with an improved cubic shape, making the product adequate and more demanded by the construction industry. These crushers are used in the last stages of crushing, in other words in the tertiary and quaternary stages.

Process of the vertical shaft impact crusher

The shaft is placed inside a chamber that contains a special crushing chamber having a rock-lined ring. The material is fed into the top of the chamber with the primary amount of the feed entering the top of the rotor. The rotor throws the material out centrifugally towards the crushing chambers at extremely high speed. A secondary amount of material feed falls into the accelerated primary feed at the crushing chamber. Thus, all the material is reduced in a highly turbulent material cloud contained within the crushing chamber. Reduction occurs by impact, attrition and abrasion.

The components of our machines, as well as the materials used, are the reason for the low need for maintenance. The robust rotor is made of cast steel, the bars are made of alloyed manganese which strengthens and increases life span.

Advantages:

• Producing a product with a superior cubic form
• Ability to control product ranking by cascade and top speed
• Low wear costs due to the unique grinding of stone to stone
• Ability to process fine materials

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