A gyratory crusher has a higher angle at the cone apex. This provides a longer residence time along the crushing interface and is supposed to generate a smaller & more consistent product. Metso Minerals have much more, probably much better, information on their website. ■

Gyratory crushers are for primary crushing. Normally used for Crushing crushing minerals as mined. The size of crusher bowl will match size of boulders.

Cone crushers are used for secondary or tertiary crushing for making a cubical product for feeding to process equipment. ■