Types of Crusher Machines

There are many types of crusher machines. The type you need depends on the maximum dimensions of your raw material and your desired size reduction. Usually, crushers are classified by the degree of fragmentation they achieve; primary crushers handle coarse materials and tertiary crushers reduce the material to fine gradations.
Impact Crusher
A crusher machine that uses impact to reduce the size of rock or stone. The rotor of this type of crushing equipment is typically fitted with a series of hammers or blow bars (depending on the style of rotor) and the crusher chamber is armoured with replaceable wear plates. The resulting product is a finer, more cubical and less needle flake shaped aggregate than would be produced by compression-type crushers.
This type of crusher is often used in primary, secondary or tertiary crushing applications. The crusher can process a variety of materials, including natural rock and recycle material.
Jaw Crusher
The jaw crusher uses compressive force to break material. A stationary piece of steel (called the fixed jaw) and a moving piece of steel, called the swing jaw, create a V-shaped space that narrows from top to bottom as the material is crushed. This gap is known as the crushing chamber.
The swing jaw is driven by a cam or pitman mechanism that functions like a class II lever and is located inside the crusher frame. The fixed jaw is attached to the main frame with cheek plates for additional protection.
A motor-driven gear pump forces oil through pressure-type filters and a cooler to a distribution manifold mounted on the swing jaw. This allows the grease to be forced to every bearing on the swing jaw, reducing wear and maintenance time. This eliminates the need for manual shim adjustments.
Cone Crusher
The cone crusher uses an eccentric shaft to create the crushing force. It is a type of hydraulic crusher that has high performance and efficiency, and is suitable for secondary and tertiary crushing in mining and aggregate industries.
The crushed material is discharged from the bottom of the machine after it has been reduced in size. This reduces the amount of energy required to move and crush large particles. This is particularly useful in environments where space is limited and the material must be reduced to a smaller size quickly.
The frame of this crusher is built for maximum rigidity to prevent distortion during operation. Its side members are made of heavy steel plate with reinforced ribbing and the ends are cast steel with a box section design. The frames are also stress-relieved after welding to eliminate possible failure adjacent to welds. The eccentric shaft is balanced to ensure highly effective compression crushing. This means that the crusher can run at higher speeds without disrupting the crushing chamber.
Hammer Crusher
The hammer crusher has many advantages: large crushing ratio (generally up to 50), high production capacity, simple structure and easy maintenance. It is also easy to operate and can meet the requirements of various particle sizes. It is recommended to add lubricating oil to the hammer head and rotor pad regularly.
The motor drives the rotor to rotate at high speed, and the materials enter the crushing cavity evenly. The high-speed rotating hammers hit and crush the minerals. The crushed materials rush toward the impact plate and grate bar. The material that is smaller than the gap between grate bars is discharged, while the remaining mineral is continuously impacted and ground until it reaches the required final particle size.
The upper part of the hammer crusher body is fixed on a welded steel frame, and the lower part is placed directly on concrete foundation. The rotor shaft and hammers are coupled by circumferential positioning flat key links.