High-Speed Gyratory Crushing --> Fine Cone CrushersMar 19, 2017 . I covered briefly the development of various types of reduction crushers of the gyratory family. Below you see a gyratory reduction crusher,.high speed cone crusher,Pilot study on the influence of the eccentric speed on cone crusher .One of these variables is the eccentric speed at which the cone gyrates. In June 2012, pilot tests were conducted on a. 200 hp high speed cone crusher to.