Characteristic

- rotor dimensions - Ø500 x 420 mm,
- dimensions of the inlet to the crusher ~ 450 x 350 mm,
- max. input material size - up to 120 mm,
- power demand ~ 11 kW,
- capacity - up to 3000 kg/h (capacity and granulation of the product depends on the size of the slot in the grate used).
- size of the slot in the grate - to be agreed,
  Note: The efficiency and the obtained granulation depend on the size of the gap in the grate used, the smallest gap is 6 mm.
- material moisture - up to 8%,
- crusher weight ~ 850 kg,

  main dimensions of the crusher:
- height - ~ 1200 mm,
- width - ~ 1000 mm,
- length - ~ 1100 mm,

Technical description

The following basic groups can be distinguished in the construction of the crusher:
- body
- rotor
- grate
- drive

Crusher body - made of metal sheets, welded structure and consists of a lower and upper part. The upper part of the body, which is also the crushing chamber, is lined with replaceable protective plates. On the outside of the lower part of the body there are brackets for fixing the rotor. Inside, brackets for the grate are welded in. There are doors for assembly and disassembly of the grate baskets in the front and rear wall of the lower body part.

Rotor - rotor disks with spacers welded on one side are mounted on the keyway on the shaft. The side nuts are used for clamping the discs on the shaft, which at the same time constitute the rotor sealing rings in the body. The discs have axles on which the hammers are rotatably mounted. The entire rotor is mounted on rolling bearings seated in divided housings and supported on consoles in the lower part of the body.

Grate - the grate installed under the rotor consists of a segment with grates or sieves. The material is finely shredded on the grate. Assembly and disassembly of the grate is carried out through the side door in the body wall.

Drive - the crusher's drive is an electric motor and a belt-wedge transmission. The engine is placed on a tension slide with the possibility of tightening belts. The belt-wedge transmission is protected by a cover.
The torque from the electric motor is transmitted through the V-belt transmission to the V-belt pulley mounted on the rotor shaft, which causes the rotor to rotate. The material is fed by a conveyor to the crusher's charge. From the hopper, the material falls by gravity onto the rotating rotor and is initially smashed with hammers in the crushing chamber as a result of hitting armor plates. The final crushing of the lumps larger than the screen gap takes place on the grate basket. The crushed material falls down by gravity onto the receiving conveyor.

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