GNR K Series Cubicizer Crusher

The GNR K series cubicizer crusher shapes flaky/elongated grains into cubical ones and lowers the Flakiness Index. The aim is not reduction but improving grain shape for concrete/asphalt and meeting ASTM C33-style shape requirements. It raises manufactured-sand quality.

Technical data

Working principle

Cubicizing is a function, not a separate crusher class; in practice a high-speed rotor/impact breaks and reshapes flaky grains (a relative of the VSI and special cone). Stage: tertiary/shaping.

Material and application

Suitable: crushed aggregate with a flaky/elongated grain problem — mainly shape correction for concrete/asphalt spec; limestone and medium-abrasive rock. Note: under very high-silica continuous abrasion, wear-part cost rises and ceramic/high-chrome is needed. Flakiness rises as feed size grows and speed drops.

Reduction and wear (TCO)

Reduction is low (for cubicizing); the target metric is a lower Flakiness Index and a higher cubical ratio. Wear parts are blow/shaping bars and liners: high-chrome or ceramic-MMC by material. As cubical product is premium-priced under concrete/asphalt spec, the added product value offsets part cost in the TCO.

The cubicizer completes manufactured-sand quality alongside the VSI and washing chain; we supply the line and concrete batching from a single source.