Impact Crusher
Feed size: ≤500mm
Production capacity: 40-400 tons/hour
Applicable materials: Mining ore, quarry, gravel, lime stone, limestone, sand and gravel, construction waste, reinforced concrete, masonry, steel slag etc.
Application scope: mining, quarry, aggregate and sand production
What is a impact crusher?
An impact crusher is a type of rock crushing machine that uses impact force to break down materials, such as rocks, concrete, and minerals. It works by accelerating the feed material into a high-speed rotor with blow bars (hammers) that strike and throw the material against impact plates or aprons, causing it to shatter into smaller pieces.
Key Features of an Impact Crusher:
- High-Speed Rotor & Blow Bars – The rotating hammers (blow bars) strike the incoming material, breaking it apart.
- Impact Plates (Aprons) – The material is thrown against these plates for further fragmentation.
- Adjustable Settings – The gap between the rotor and impact aprons can be adjusted to control the output size.
- Versatile Crushing – Can handle soft to medium-hard materials, including limestone, recycled concrete, and asphalt.
- Cubical-Shaped Output – Produces uniformly shaped, high-quality aggregate ideal for construction.
We will customize a suitable mining or concrete solution for you
How many types of impact crusher?
Impact crushers can be classified in different ways, but always have two common types: PF Series and PFW Series. Here’s a breakdown of their differences and other major types:
PF Series Impact Crusher (Standard Type)
PFW Series (European Version Impact Crusher)
Design: Uses a fixed heavy-duty rotor with blow bars (hammers).
Applications:
① Primary or secondary crushing
② Medium-hard materials (limestone, concrete, gypsum)
Features:
① Simple structure, easy maintenance
② High crushing ratio
③ Adjustable impact plate for output size control
Example Models:
PF-1010, PF-1210, PF-1315 (numbers indicate rotor size, e.g., 1000×1050mm for PF-1010).
| Model | Rotor Spec (mm) | Feed opening size (mm) | Max Feed edge(mm) | Capacity (t/h) | Motor Power(kw) | Weight(t) | Overall Dimension(L*W*H)mm |
| PF-1007 | 1000*700 | 400*730 | 300 | 30-50 | 37-55 | 9.5 | 2400×1558×2660 |
| PF-1010 | 1000*1050 | 400*1080 | 350 | 50-80 | 55-75 | 12.2 | 2400×2250×2620 |
| PF-1210 | 1250*1050 | 400*1080 | 350 | 70-120 | 110-132 | 14.9 | 2690×2338×2890 |
| PF-1214 | 1250*1400 | 400*1430 | 350 | 110-180 | 132-160 | 18.6 | 2690×2688×2890 |
| PF-1315 | 1320*1500 | 550*1530 | 500 | 160-250 | 180-260 | 21.3 | 3096×3273×2667 |
| PF-1320 | 1320*2000 | 860*2030 | 500 | 160-350 | 300-375 | 28 | 3096×3560×3185 |
| PF-1520 | 1500*2000 | 830*2050 | 700 | 300-500 | 400-450 | 38.6 | 3890×3560×3220 |
| PF-2022 | 2000*2200 | 2360*1350 | 450 | 800-1000 | 710-900 | 83 | 4712×3270×4058 |
Design: Improved version with heavy-duty rotor, hydraulic adjustment, and curved impact plates.
Applications:
① Secondary/tertiary crushing
② Harder materials (granite, basalt, river stone)
Features:
① Hydraulic opening system for easy maintenance
② Heavier rotor design for higher crushing efficiency
③ Three-curtain design for better particle shaping
Example Models:
PFW-1214, PFW-1315, PFW-1318
| Model | parameter(mm) | Feeding size (mm) | Max. Input size(mm) | Capacity (m3/h) | Power (kw) | Dimension（mm） | Weight（t） |
| PFW1107‖ | Φ1150×700 | 800×900 | 500 | 50-100 | 90-132 | 1860×1510×2330 | 8.2 |
| PFW1110‖ | Φ1045×1000 | 1170×1100 | 800 | 80-120 | 110-132 | 2190×1770×2700 | 12.6 |
| PFW1113‖ | Φ1045×1300 | 1170×1360 | 800 | 150-300 | 110-160 | 2200×2000×2530 | 14.4 |
| PFW1312‖ | Φ1300×1170 | 1200×1200 | 800 | 200-400 | 132-200 | 2520×2050×2970 | 17.5 |
| PFW1315‖ | Φ1300×1550 | 1580×1200 | 900 | 250-500 | 160-250 | 2520×2460×2790 | 21.5 |
| PFW1320‖ | Φ1300×1930 | 1980×1200 | 1000 | 300-600 | 200-300 | 2520×2890×2790 | 25.8 |
| PFW1107||| | Φ1150×700 | 800×900 | 500 | 50-100 | 90-132 | 2260×1510×2330 | 9.0 |
| PFW1110||| | Φ1045×1000 | 1170×1100 | 800 | 80-120 | 110-132 | 2600×1770×2700 | 13.5 |
| PFW1113||| | Φ1045×1300 | 1170×1360 | 800 | 150-300 | 110-160 | 2620×2000×2530 | 15.5 |
| PFW1312||| | Φ1300×1170 | 1200×1200 | 800 | 200-400 | 132-200 | 2920×2050×2970 | 18.4 |
| PFW1315||| | Φ1300×1550 | 1580×1200 | 900 | 250-500 | 160-250 | 2920×2460×2790 | 22.5 |
| PFW1320||| | Φ1300×1930 | 1980×1200 | 1000 | 300-600 | 200-300 | 2920×2890×2790 | 27.8 |
| PFW17150||| | Φ1150×1550 | 1580×1600 | 1100 | 400-700 | 320-500 | 3860×3090×3870 | 41.6 |
| PFW1720||| | Φ1150×1930 | 2000×1600 | 1300 | 500-800 | 400-630 | 3860×3410×3870 | 48.8 |
Comparison: PF vs. PFW Impact Crushers
| Feature | PF Series | PFW Series (European) |
| Rotor Design | Standard | Heavy-duty, optimized |
| Adjustment | Manual | Hydraulic system |
| Impact Plates | Flat/linear | Curved (3-stage crushing) |
| Maintenance | Manual | Easier (hydraulic assist) |
| Best For | Medium-hard rocks | Harder rocks, high efficiency |
Which One to Choose?
PF Series → Cost-effective, simple maintenance, general crushing.
PFW Series → Higher efficiency, better for hard materials, hydraulic adjustments.
Would you like recommendations for a specific application (e.g., mining, recycling, sand production)?
We will customize a suitable mining or concrete solution for you.
How does impact crusher work?
An impact crusher works by using high-speed impact force to break materials into smaller pieces. Here’s a step-by-step breakdown of its operation:
Feeding the Material
High-Speed Rotor & Blow Bars
Impact Crushing
Rebound & Secondary Crushing
Adjustable Grinding Gap
Discharge of Final Product
Feeding the Material
Rocks or recycled concrete are fed into the crushing chamber through a hopper.
A vibrating feeder or conveyor regulates the feed rate to prevent overloading.
High-Speed Rotor & Blow Bars
Inside the crusher, a rotor spins at high speed (500–800 RPM or more).
The rotor is fitted with blow bars (hammers) that strike the incoming material violently.
Impact Crushing
The blow bars hurl the material against impact plates (aprons) lining the crushing chamber.
This impact force shatters the rocks into smaller fragments.
Rebound & Secondary Crushing
Some pieces ricochet back into the rotor for further crushing.
In multi-stage designs (like PFW series), material may pass through multiple impact curtains for finer results.
Adjustable Grinding Gap
The distance between the rotor and impact aprons can be adjusted to control the output size.
Some models (like PFW) use hydraulic systems for quick adjustments.
Discharge of Final Product
Crushed material exits through the discharge opening at the bottom.
A screen (in closed-circuit systems) may separate finer particles from larger ones for re-crushing.
Key Components & Their Roles
| Component | Function |
| Rotor | Spins at high speed, driving the blow bars. |
| Blow Bars | Strike and throw material against impact plates. |
| Impact Plates (Aprons) | Absorb impact, helping break material further. |
| Adjustment System | Controls output size (manual or hydraulic). |
| Hydraulic Opening (PFW) | Allows easy access for maintenance. |
Types of Impact Crushing Actions
Primary Impact – First collision between blow bars and material.
Secondary Impact – Material rebounds and hits aprons or other blow bars.
Attrition – Particles rub against each other, further refining size.
Visualization of the Process
Material enters
↓
Rotor spins & blow bars strike
↓
Material thrown against impact plates
↓
Rebound crushing (if applicable)
↓
Final product exits
Advantages of This Mechanism
✔ High Reduction Ratio – Can crush large rocks into small pieces in one pass.
✔ Cubical Product Shape – Ideal for concrete and road construction.
✔ Efficient for Medium-Hard Materials – Works well with limestone, asphalt, and recycled concrete.
Limitations
✖ Wear on Blow Bars – Requires frequent replacement in abrasive conditions.
✖ Not Ideal for Very Hard Rocks – Like granite (better suited for jaw/cone crushers).
Would you like a comparison with other crushers (e.g., jaw, cone)?
We will customize a suitable mining or concrete solution for you.
Application of impact crusher
Impact crushers are versatile machines widely used in mining, construction, recycling, and industrial applications due to their ability to produce uniformly shaped, high-quality aggregates with a high reduction ratio. Below are the key applications:
Mining
Construction & Demolition (C&D) Recycling
Aggregate Production for Roads & Buildings
Industrial Minerals & Chemical Processing
Mining
Crushing gold ore, copper ore, iron ore, and other medium-hard rocks
Producing products suitable for ore processing
Used in primary, secondary, or tertiary crushing stages
Construction & Demolition (C&D) Recycling
Recycling concrete, bricks, and asphalt from demolished structures
Producing RAP (Reclaimed Asphalt Pavement) for reuse in road construction
Crushing construction waste into reusable aggregates
Aggregate Production for Roads & Buildings
Manufacturing cubical-shaped aggregates for better compaction in road bases
Producing sand and gravel for construction projects
Used in asphalt plants and ready-mix concrete production
Industrial Minerals & Chemical Processing
Crushing phosphate, coal, salt, and other industrial minerals
Used in cement plants for limestone pre-crushing
Processing slag from steel plants for reuse
Why Choose an Impact Crusher?
✅ High Reduction Ratio – Can replace jaw + cone crusher setups in some cases.
✅ Better Particle Shape – Produces more cubical aggregates than jaw crushers.
✅ Versatility – Handles soft to medium-hard materials efficiently.
✅ Eco-Friendly Recycling – Reduces landfill waste by processing C&D debris.
Would you like recommendations for a specific material (e.g., granite, recycled concrete)?
We will customize a suitable mining or concrete solution for you.
Crushing solution of impact crusher:
Fixed stone crusher plant:
The application of impact crusher in fixed crushing station has significant advantages, especially when dealing with large-scale and continuous material crushing tasks. The following is an analysis of the application of impact crusher in fixed crushing station:
1. Application scenario
The impact crusher is mainly used in the following scenarios in fixed crushing station:
- Sand and gravel aggregate production: such as the crushing of limestone, granite and other materials in highway and railway construction to produce sand and gravel aggregates that meet specifications.
- Mining: In the crushing and processing of metal and non-metallic ores, impact crusher can be used for the crushing of medium hardness materials, such as iron ore, basalt, etc.
- Construction waste treatment: crushing construction waste into recycled aggregates for road paving or building materials production.
- Industrial solid waste treatment: such as the crushing of coal gangue and slag for environmental protection and resource recycling.
2. Advantages
The impact crusher has the following advantages in fixed crushing stations:
- Efficient crushing: Through the impact of the high-speed rotating rotor and the hammer, as well as the synergistic effect of the impact plate, efficient crushing is achieved.
- Energy saving and environmental protection: Low energy consumption during the crushing process, simple equipment structure, and easy maintenance.
- Strong adaptability: Suitable for a variety of medium-hard materials, such as limestone, quartz sand, coal gangue, etc.
- Good particle shape: The material after crushing is in a cubic shape with reasonable grading, which is suitable for the construction and building materials industry.
- Flexible adjustment: By adjusting the rotor speed, the gap between the impact plates, etc., the particle size of the output can be flexibly controlled to meet different needs.
3. Actual cases
Case 1: Application of impact crusher in Ethiopia construction
In a large construction project in Ethiopia, the impact crusher was used for the production of sand and gravel aggregates in highway construction. Its efficient crushing capacity and good particle shape control significantly improved the aggregate quality and production efficiency.
Case 2: Construction waste treatment
In the construction waste treatment project, the impact crusher was used to crush waste concrete and bricks into recycled aggregates. These recycled aggregates are used for road paving and building materials production, realizing resource utilization.
4. Differences from mobile crushing stations
- Fixed crushing stations: Impact crushers are mainly used for long-term, large-scale material processing in fixed crushing stations. Its equipment is fixedly installed, with stable production capacity, and is suitable for processing high-hardness and medium-hardness materials.
- Mobile crushing station: Suitable for mobile operations, such as mining, temporary treatment of construction waste, etc. Its equipment can be moved quickly and has strong adaptability, but its processing capacity is relatively limited.
5. Precautions
- Material moisture: Impact crushers are suitable for processing materials with low moisture content. If the moisture content is too high, drying equipment may be required.
- Wear problems: Components such as impact plates and hammers are prone to wear and need to be regularly inspected and replaced.
- Equipment maintenance: Equipment in fixed crushing stations requires regular maintenance to ensure stable operation and extend service life.
Summary
In fixed crushing stations, impact crushers are widely used in sand and gravel aggregate production, mining, and construction waste treatment due to their advantages such as efficient crushing, energy saving and environmental protection, and good particle shape. Its fixed design is suitable for large-scale, continuous operations, which can significantly improve production efficiency and reduce costs. At the same time, reasonable configuration and maintenance of equipment are the key to ensure its long-term and efficient operation.
Mobile impact crusher plant:
Mobile impact crushing station is a modern mechanical equipment that integrates crushing, screening and conveying functions. Due to its flexibility and efficiency, it is widely used in many fields. The following is a detailed description from the aspects of definition, technical characteristics, application scenarios, advantages and disadvantages and actual cases.
1. Definition and characteristics
Mobile impact crushing station is an impact crusher installed on a mobile chassis, which can be quickly transferred and is suitable for mobile operations. Its characteristics include:
- Modular design: The equipment consists of multiple modules and can be flexibly configured according to needs.
- Efficient crushing: Efficient crushing is achieved through the impact of the impact plate and hammer.
- Intelligent control: Some equipment is equipped with an intelligent electronic control system, which can be remotely operated and monitor the operating status in real time.
- Strong adaptability: The chassis adopts a high-strength structure to adapt to complex terrain without the need for additional infrastructure.
2. Application scenarios
Mobile impact crushing stations are widely used in the following fields:
- Construction waste treatment: Crushing construction waste into recycled aggregates for road paving or building materials production.
- Mining: used for ore crushing, especially the processing of liquid stone.
- Highway and railway construction: provide sand and gravel aggregates that meet specifications.
- Environmental protection engineering: handle industrial solid waste and waste materials in mineral processing.
3. Technical features
Crushing chamber optimization: reasonable design of impact crushing chamber, large crushing ratio and low energy consumption.
Oil-electric dual-purpose power system: supports flexible switching of power forms and reduces operating costs.
Crawler or tire drive: crawler chassis has strong adaptability, and tire chassis is more flexible in transfer.
Intelligent control system: some equipment supports remote operation and fault warning to improve work efficiency.
4. Advantages and disadvantages analysis
Advantages:
- High flexibility: can quickly transfer and adapt to different terrains and environments.
- High efficiency and environmental protection: high crushing efficiency, low energy consumption, and meet environmental protection requirements.
- Strong adaptability: suitable for a variety of materials, such as ore, construction waste, sand and gravel, etc.
- Easy operation: modular design facilitates installation and maintenance, reducing labor intensity.
Disadvantages
- High equipment cost: mobile impact crushing station is expensive and has a large initial investment.
- Wear of wearing parts: Wearing parts such as hammers and impact plates wear quickly and need to be replaced regularly.
- Limited processing capacity: Compared with fixed crushing stations, mobile crushing stations may have lower production capacity.
5. Actual case
Case: Mining
In the construction of roads and bridges in Peru, mobile impact crushing stations are used to crush gravel aggregates. Its efficient crushing capacity and flexible mobility significantly improve construction efficiency.
6. Summary
Mobile impact crushing stations have become important equipment in mining, construction waste treatment and other fields due to their flexibility, efficiency and adaptability. Its intelligent design and modular configuration enable it to perform well in a variety of scenarios, but it is also necessary to pay attention to its high cost and replacement of wearing parts. Through reasonable configuration and maintenance, mobile impact crushing stations can bring significant economic and environmental benefits to users.
Crawler impact crusher:
Crawler impact crusher is an efficient crushing equipment, widely used in construction waste treatment, mining, sand and gravel aggregate production and other fields. The following is a detailed description of the definition, working principle, technical characteristics, application scenarios, advantages and disadvantages and actual cases.
1. Definition and working principle
The crawler impact crusher is an impact crusher installed on a crawler chassis, which is highly flexible and adaptable. Its working principle is as follows:
- Feeding: The material is fed into the silo by a forklift or excavator and initially screened by a screening feeder.
- Crushing: Large pieces of material enter the impact crushing chamber and are crushed by the impact between the high-speed rotating hammer and the impact plate.
- Screening and conveying: The crushed material is graded by a vibrating screen, and the material that meets the particle size requirements is directly discharged, and the unqualified material returns to the crushing chamber for further crushing.
2. Technical features
The crawler impact crusher has the following technical advantages:
- Efficient crushing: It adopts a heavy-duty rotor structure and a large-capacity crushing chamber, with a large crushing ratio and excellent particle shape.
- Flexible adjustment: The discharge gap can be flexibly adjusted according to the finished product particle size requirements to meet different specifications.
- Intelligent design: Equipped with a hydraulic adjustment device and an intelligent control system, remote operation and real-time monitoring can be achieved.
- Modular design: The cavity liner and impact plate design with strong interchangeability extend the service life and reduce maintenance costs.
- Environmental protection and energy saving: low noise design, reducing dust pollution, in line with green environmental protection requirements.
3. Application scenarios
Crawler impact crusher is suitable for a variety of fields:
- Construction waste treatment: crushing construction waste into recycled aggregates for road paving or building materials production.
- Mining: used to crush pebbles, limestone, basalt and other ores to meet the crushing needs of medium-hard materials.
- Sand and gravel aggregate production: provide good quality sand and gravel aggregates for highway and railway construction .
- Metallurgy and energy industry: used for crushing and processing of metal ores and coal.
4. Advantages and disadvantages analysis
Advantages:
- Strong flexibility: crawler chassis design, can quickly transfer, adapt to a variety of terrains.
- Efficient crushing: large crushing ratio, good finished product particle shape, suitable for a variety of materials.
- Environmental protection and energy saving: low noise, low dust emission, in line with environmental protection requirements.
- Intelligent operation: equipped with hydraulic system and intelligent control system, easy to operate.
Disadvantages:
- High equipment cost: crawler impact crusher has a high purchase cost and a large initial investment.
- Frequent replacement of wearing parts: wearing parts such as hammers and impact plates wear quickly and need to be replaced regularly.
- Limited processing capacity: compared with fixed crushing stations, the production capacity may be slightly lower.
5. Actual cases
Case 1: Resource utilization of construction waste
In the construction waste treatment project, Zhengzhou UNIQUE crawler impact crusher crushes waste concrete and bricks into recycled aggregates for road paving and building materials production. Its high-efficiency crushing capacity and flexible transfer significantly improve the efficiency of resource utilization.
Case 2: Mining
In the construction of roads and bridges in Mexico, crawler impact crushers are used to crush gravel aggregates, providing construction with sand and gravel aggregates that meet specifications while reducing the cost of aggregate transportation.
6. Summary
Crawler impact crushers have become important equipment in the fields of mining, construction waste treatment, etc. due to their high-efficiency crushing, flexible transfer, and environmental protection and energy saving. Although their cost is high and wearing parts are frequently replaced, they can bring significant economic and environmental benefits to users through reasonable configuration and maintenance.
We will customize a suitable mining or concrete solution for you.
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