# Impact Crusher: A Comprehensive Guide to Crushing 200 Tons per Hour
## Introduction
Impact crushers are essential machines in the mining, construction, and recycling industries. They are designed to crush large rocks, ores, and concrete into smaller, more manageable sizes efficiently. Among various capacities, an impact crusher with a throughput of 200 tons per hour (t/h) is widely used in medium to large-scale operations due to its balance between power consumption and productivity.
This article provides an in-depth analysis of impact crushers capable of processing 200 t/h, covering their working principles, components, advantages, applications, maintenance tips, and selection criteria.
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## 1. Understanding Impact Crushers
1.1 Definition and Working Principle
An impact crusher is a machine that utilizes high-speed impact forces rather than pressure to break materials. The primary mechanism involves:
– A rotating rotor fitted with hammers/blow bars.
– Material fed into the crushing chamber.
– High-speed collisions between the blow bars and incoming material.
– Shattering or fracturing of materials upon impact.
Unlike jaw or cone crushers that rely on compression, impact crushers are ideal for softer or less abrasive materials but can also handle moderately hard rocks when properly configured.
1.2 Key Components
A typical impact crusher consists of:
1. Rotor: The central rotating component equipped with blow bars/hammers.
2. Blow Bars: Replaceable wear parts that strike the material.
3. Impact Plates/Liners: Stationary surfaces where secondary crushing occurs.
4. Feed Hopper: Entry point for raw material.
5. Adjustable Apron/Curtain: Controls output size by adjusting the gap between rotor and apron.
6. Drive System: Motor or diesel engine providing rotational power.
7. Discharge Conveyor: Transports crushed material away from the machine.
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## 2. Why Choose a 200 t/h Impact Crusher?
A capacity of 200 tons per hour strikes an optimal balance for many industrial applications:
– Suitable for medium-sized quarries and recycling plants.
– Efficient energy consumption relative to output.
– Versatile enough for various materials (limestone, concrete, asphalt).
– Compact footprint compared to higher-capacity models.
Comparison with Other Capacities
| Capacity (t/h) | Best For | Power Requirement |
|—————|———|——————|
| <100 t/h | Small operations | Low |
| 100