A Secondary Impact Crusher is a type of crushing machine used in aggregate production, minería, and recycling to reduce the size of materials after primary crushing. It is designed to handle softer to medium-hard rocks (p.ej., caliza, asfalto, concreto) and produce a more cubical product compared to primary crushers.

Características clave:
1. Función:
- Processes pre-crushed material (from jaw or gyratory crushers) into finer, more uniform sizes.
- Ideal for shaping aggregates and improving particle quality.

2. Principio de funcionamiento:
- Utilizes impact force from rotating hammers/blow bars striking the material against breaker plates or aprons.
- Material is crushed by high-speed impact and shear forces.

3. Types of Secondary Impact Crushers:
- Impactadores de eje horizontal (HSI): Common for softer materials; altos ratios de reducción.
- Impactadores de eje vertical (TODOS): Better for cubical shaping (p.ej., producción de arena).

4. Ventajas:
- Produce bien formado, uniform end products.
- Higher reduction ratio than cone crushers for certain materials.
- Lower operating costs in some applications compared to compression crushers.

5. Aplicaciones:
- Producción agregada (base de la carretera, concreto, asfalto).
- Reciclaje (concreto, residuos de demolición).
- Minería (soft to medium-hard ores).

6. Limitaciones:
- Not ideal for very hard or abrasive materials (p.ej., granito).
- Higher wear on blow bars/hammers than compression crushers.

Comparison with Other Crushers:
- trituradora primaria (Jaw/Gyratory): Handles large raw feed; salida gruesa.
- trituradora de impacto secundaria: Refines material; bet

shape/size control.
- trituradora de cono: Better for hard/abrasive rocks but less cubical output.

Popular Brands/Models:
- Serie NP
- Serie CI
- Cedarapids IP Series
- Kleemann MR Series

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