車輪付き移動式砕石機
FOUR COMBINATION MOBILE STATION シリーズ 標準モデル 搭載機器 搭載機器 処理能力（t/h） 輸送寸法（mm）…
An impact crusher is a type of secondary or tertiary crushing machine that uses impact force to break rocks and minerals. Unlike a jaw crusher or cone crusher, which crush materials by compression, an impact crusher breaks materials by high-speed collision with a rotating rotor and impact plates.
Impact crushers are widely used in:
Common materials processed:
The rotor is the heart of an impact crusher.
Function:
The rotor usually contains:
Blow bars are wear-resistant bars mounted on the rotor.
When the rotor spins:
Common materials:
Impact plates are fixed inside the crushing chamber.
Their functions:
The crushing chamber is where the material reduction happens.
It contains:
The space between rotor and impact plates determines the final product size.
Raw material enters from the top.
例：
Large stone
300 mm
↓
Impact Crusher
↓
20-40 mm productThe crushed material leaves through the bottom.
The discharge size can be adjusted by:
Large rocks enter the crusher through the feed opening.
例：
Raw limestone
500 mm↓
The electric motor drives the rotor.
Typical rotor speed:
500–1000 rpm
The blow bars rotate at high speed.
↓
The blow bars hit the material with strong impact force.
The rock is:
↓
The broken pieces hit the impact plates.
They are crushed again by:
↓
When the material reaches the required size:
Feed Material
↓
┌──────────────────┐
│ │
│ ↻ Rotor │
│ [Blow Bars] │
│ ↓ │
│ ★★★ │
│ │
│ Impact Plates │
│ /\/\/\ │
└────────┬─────────┘
↓
Crushed Product
The most common type.
Structure:
Applications:
メリット：
Material enters the center of a high-speed rotor and is thrown outward.
Crushing methods:
Applications:
メリット：
Typical crushing ratio:
10:1 to 30:1
A single impact crusher can significantly reduce material size.
Compared with compression crushers:
Impact crushing uses:
This gives high productivity for suitable materials.
Output size can be controlled by:
Main wear parts:
They need regular replacement.
Best for:
Less suitable for:
Because crushing depends on high-speed impact, it generally requires more energy than compression crushers.
| 特集 | Impact Crusher | Hammer Crusher |
|---|---|---|
| Crushing method | 影響 | 影響 |
| Main crushing part | Blow bars | Hammer heads |
| Rotor speed | 中高 | 高い |
| Product shape | Better cubic shape | More fine powder |
| 容量 | Higher | 中 |
| Wear rate | 高い | Very high |
| Best materials | Limestone, aggregate, concrete | Coal, gypsum, soft materials |
A typical aggregate production line:
Large Rock
↓
Jaw Crusher
↓
Impact Crusher
↓
Vibrating Screen
↓
Finished AggregateA typical mining line:
Ore
↓
Primary Crusher
↓
Impact Crusher
↓
Ball Mill
↓
Mineral Separation
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