Barmac rotopactor vertical shaft impactor: rayのブログ
The rotor is spinning at approximately 1040rpm. The Barmac is called a rock ‘Shaper’ and not a rock crusher because the 2 main reduction methods used by the Barmac are attrition by glancing blows with other rocks and abrasion as the rocks interact. Therefore the concept of the Barmac VSI is rock on rock shaping. Ormeau Barmac