10″ TO 12″ DOUBLE ROLL CRUSHERS
The core of the test plant is a double roll crusher DRC 450x450 toothed rolls Fig 3 shows a 3D view of the crusher without the drive units and inlet hopper The roll crusher has two cylindrical rolls which are designed as fixed 2 and retractable 4 The retractable roll is pretensioned with two hydraulic cylinders 3 which press it