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Discover the key differences between hammer crushers and impact crushers, and learn how to choose the right crusher for your needs in our comprehensive guide.
A hammer crusher is a type of crusher that utilizes a series of hammers to crush materials.
An impact crusher, on the other hand, uses impact force to break down materials.
It works by the high-speed rotation of the hammers, which impact and shatter the materials into smaller pieces. The crushed materials are then thrown against a breaker plate for further size reduction before being discharged.
It has a rotor that rotates at high speeds, with blow bars attached. As materials enter the crusher, they are struck by the blow bars and thrown against impact plates, causing the materials to shatter and break apart.
| Aspect | Hammer Crusher | Impact Crusher |
| Material Strength | ≤350 MPa | ≤200 MPa |
| Moisture Content of Material | Lower | Can handle higher moisture content |
| Suitable Materials | Limestone, gypsum, bricks, slag, coal gangue, salt, chalk, etc. | Granite, limestone, concrete, etc. |
| Crushing Stage | Crushing and shaping completed in one stage; can be used for primary crushing. | Mainly used as secondary crushing equipment; requires a primary crusher for initial breaking. |
| Grain Shape | Cubical | Cubical, with more rounded shape. |
| Powder Content | Lower fine powder and dust content | Higher powder content due to multiple impacts |
Consider the type of material you need to process. Hammer crushers are ideal for softer, medium-hard materials, while impact crushers are better suited for harder materials that require more precision.
Determine the desired size and shape of the output material. If you need uniform, cubical shapes, an impact crusher is the better choice. For less critical output shapes, a hammer crusher may suffice.
Evaluate the operational environment, including factors like dust production, noise levels, and maintenance capabilities. Choose the crusher that aligns with your operational requirements and constraints.
While hammer crushers have lower initial costs, impact crushers can offer long-term savings through reduced maintenance and operational efficiencies. Weigh the initial investment against potential long-term benefits.
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