The Hammer Crusher can be also used for crushing chips and paper with fiber structure and strong elasticity and ductility, or recycling asbestos fiber by crushing wastes of asbestos cement, etc. Gap between the gratings are adjustable to change grain size of the discharge, so as to meet different  requirements of the customers.Â
Features and Benefit of Hammer Crusher
1. Big feed port, high crushing chamber, adapting to materials with high hardness and big lumpiness, and yielding little rock flour.
2. Little crushing power consumption for hanging up of materials.
3. Bigger impact force by adopting new type hammer RAM.
4. Hammer axis can be adjusted and hammer RAM enjoyed longer service.
5. Dimensions of grid can be adjusted, particle size of products can be controlled, which resulted in good particle shape.
6. Machine case can be inverted, which make it easy for inspection and repairing.
7. Equipped with square bolt with shock resistant and antiwear.
8. Compact structure, strong rigidity.
9. Combining structure, easier for conveying and installation.
10. Enjoyed with pounding, counterattacking and impacting (stone-hit-stone) crushing function, which show the features of higher production efficiency, smaller abrasion of machine part and extraordinary compound efficiency.
Hammer Crusher working Principle
PC hammer crusher is a kind of rotor impact crusher containing ring hammer. Its main component is the rotor containing hammer (also called hammerhead).The rotor is composed of main shaft, disk, pin and hammer. It is driven by motor to rotate rapidly in the crushing cavity. The materials are delivered through upper feed inlet into the equipment, and crushed by knocking, impact, shearing and grinding by the quickly moving hammer. The crushed materials with grain size smaller than the mesh opening will be discharged through screen plate on the lower part of the rotor, while those with grain size larger than the mesh are left on the screen plate to undergo impact and grinding by the hammer, and finally discharged through the screen plate.Â
However, we should know when crushing very hard materials, it will cause greater wear of hammer and grate and consume more metal; It needs more maintenance time and uniform feeding of materials; When crushing soft-moist materials, the capacity will become significantly lower and even stop because of material jam. In order to avoid jam, the moisture content of materials should be less than 10%-15%.
| Type | PC400x300 | PC600x400 | PC800x600 |
| Rotor Diameter | 400 | 600 | 800 |
| Rotor Width/mm | 300 | 400 | 600 |
| Rotor Speed/(r/min) | 1100 | 1000 | 900 |
| Max Feeding Size/mm | < 100 | < 220 | < 350 |
| Finished particle size/mm | 5-10 | 5-15 | 5-20 |
| Capacity / t/h | 3-8 | 8-15 | 15-30 |
| Power/KW | 11 | 18.5 | 45 |
| Hammer Number | 16 | 20 | 28 |
| Weight/t | 0.8 | 1.8 | 2.8 |
| Outlay Size( L*W*H)/mm | 855*795*860 | 1150*1095*1230 | 2360*1490*1415 |
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