Cone crushers are high-efficiency crushing machines widely used in mining, quarries, and recycling plants. Designed to crush hard and abrasive materials, these machines operate using high-pressure compression principles.

Cone crushers are particularly effective in crushing hard rocks such as basalt, granite, and quartz. They are also commonly used for concrete recycling and aggregate production. The crushing process occurs as a conical mantle, mounted on an eccentric shaft, rotates within a fixed concave chamber, compressing the material between these two surfaces.

Cone crushers can be used at different crushing stages, such as primary, secondary, and tertiary crushers. Primary cone crushers are used to reduce large rocks, while secondary and tertiary crushers refine the material into smaller, uniform sizes.

There are two main types of cone crushers: hydraulic and mechanical. Hydraulic cone crushers offer overload protection and automatic adjustment, making them easier to operate. Mechanical cone crushers are known for their durability and long-lasting performance.

Working Principle of Cone Crushers

The basic working principle of cone crushers involves the movement of an eccentric shaft to perform the crushing action. Material is fed into the top of the chamber and gets compressed between the moving cone (mantle) and the stationary outer surface (concave). This compression causes the material to break and exit through the bottom of the crusher.

The process involves the following steps:

  1. Material enters the feed hopper and is directed into the crushing chamber.
  2. The eccentric shaft moves the cone head in an elliptical motion, pushing the material against the fixed surface.
  3. The material is compressed under high pressure and crushed.
  4. The crushed material is discharged through the bottom opening, according to the set output size.
  5. The output size can be easily adjusted using hydraulic or mechanical settings.

Cone crushers come in different sizes, depending on material hardness and desired reduction ratios. The design of the crushing chamber and the angle of eccentric motion significantly influence the crusher’s performance.

Technical Features and Advantages of Cone Crushers

High capacity and low energy consumption.

Crushing surfaces made of special alloy steel provide excellent wear resistance and durability.

Adjustable output settings allow different product sizes to be obtained.

Overload protection systems prevent damage and reduce downtime.

Low maintenance requirements and easily replaceable parts lower operational costs.

Continuous feed capability enhances efficiency and optimizes production.

Produces cubic-shaped material, which improves performance in concrete and asphalt applications.