Mining Ore Crushing Equipment Expert

Henan Province, China

Zhengzhou West Industrial Zone,451200

+86 1830843555

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Jaw Crusher

MoleDive sells professional jaw rock crushers

MoleDive Professional Jaw Crusher is primarily used to crush large chunks of raw materials such as rocks or ores into smaller particles or crushed stone.

By the movement of the upper and lower jaw plates, the raw material is sandwiched between the two jaw plates, pressure is applied, and the raw material is gradually crushed, resulting in crushed stones or particles of the desired size.

Jaw Crushers are widely employed in mining, construction, road construction, and play a crucial role in various fields for the crushing and processing of different types of raw materials to meet the requirements of diverse engineering projects.

Specialized for Stone jaw crusher

Mining equipment related products

FAQ Guide of Jaw Crushers

1. How does a jaw crusher work?

  • Feed Material: Rocks and other materials are fed into the jaw crusher from the top. As it reaches the crushing chamber, the material is handled by two jaws.
  • The two jaws—one fixed and the other mobile—create a V-shaped cavity known as the crushing chamber during the crushing process. The material is forced to shatter into smaller bits when the moveable jaw swings back and forth. The fixed jaw does not move.
  • Adjustable Settings: A lot of jaw crushers include settings that can be changed to regulate the output material’s size. You may regulate the size of the crushed material by altering the space between the two jaws.
  • Discharge: The material leaves the crushing chamber through the bottom hole once it has been reduced to the proper size. The crushed material can then undergo additional processing or be put to use for different things.
  • Eccentric Shaft: An eccentric shaft attached to a motor propels the moveable jaw’s movement. The moveable jaw moves back and forth as a result of the shaft’s rotation.

2. What is jaw crusher machine?

A main crushing device used to break down huge rocks, ores, and other materials into smaller, more manageable pieces is a jaw crusher machine, also known as a jaw crusher or jaw crushing machine. One of the most popular styles of crushing equipment is utilized in a variety of sectors, including mining, building, and recycling.
 
Jaw crusher machines are adaptable and can handle a variety of materials, from softer materials to hard and abrasive boulders. They serve as the first stage of size reduction, or primary crushing, and are frequently followed by secondary and tertiary crushers for additional processing. For reducing huge materials to smaller, more useable sizes, jaw crushers are essential in many industries.

3. What is jaw crusher used for?

  • Due to its adaptability in crushing applications, jaw crusher is utilized for a variety of applications across many sectors. 
  • Primary Crushing: The first stage of size reduction, primary crushing, is where jaw crushers are most frequently utilized. They are employed to break down big boulders, ores, and other materials into manageable chunks. Jaw crushers are frequently used in mining and quarrying to smash tough and abrasive materials.
  • Concrete, building debris, and demolition scrap are all crushed using jaw crushers in the construction sector. They support the production of aggregates for use in building and road construction projects as well as the recycling of resources.
  • Jaw crushers are essential for crushing different kinds of minerals and ores in the mining sector. Gold, silver, copper, and other important minerals are extracted from ore deposits using them.
  • Jaw crushers are employed in the manufacture of aggregates including sand, gravel, and crushed stone. These aggregates are necessary for the development of infrastructure, buildings, and roadways.
  • Laboratory jaw crushers are used to prepare samples in a variety of scientific fields, including as geology, chemistry, and material science.
  • Environmental Applications: To remediate and clean up polluted regions, jaw crushers are used in environmental applications to crush and treat materials like garbage or contaminated soil.
  • Quarrying: To reduce huge rocks into useful minerals and aggregates for the building sector, quarry operators employ jaw crushers.

4. What is different between impact crusher and jaw crusher?

Impact crushers and jaw crushers are both types of crushing equipment used in various industries, but they operate differently and are suitable for different applications. Here are some key differences between the two:
 
1. Crushing Mechanism:
  • Jaw Crusher: A jaw crusher uses a compressive force to crush materials between two jaw plates, one fixed and the other movable. The movable jaw exerts force on the material, crushing it against the fixed jaw plate. This results in a relatively coarse and uniform product.
  • Impact Crusher: An impact crusher, on the other hand, uses the principle of rapid impact to crush materials. When the rotor in the crusher rotates, it accelerates the material into the breaker plates or hammers. This impact causes the material to shatter into smaller, more fragmented pieces.
2. Particle Shape:
  • Jaw Crusher: Jaw crushers tend to produce more elongated and angular particles due to the way compression forces the material to break. The final product may have a more uniform shape compared to impact crushers.
  • Impact Crusher: Impact crushers are known for producing a higher percentage of fine or cubical-shaped particles. They are often used when the goal is to produce well-shaped aggregates for concrete and asphalt production.
3. Crushing Principle:
  • Jaw Crusher: Works by squeezing materials between two metal plates. Because of the crushing motion, jaw crushers are ideally suited for hard and abrasive materials.
  • Impact Crusher: Operates by impact using a high-speed rotor with wear-resistant blow bars and anvils. Impact crushers are more suitable for softer materials and materials with lower abrasiveness.
4. Size Reduction Ratio:
  • Jaw Crusher: Generally, jaw crushers have a higher reduction ratio, which means they can accept larger input sizes and produce a smaller output size. This makes them suitable for primary crushing.
  • Impact Crusher: Impact crushers typically have a lower reduction ratio, meaning they are better at producing smaller, finer particles. They are often used for secondary or tertiary crushing.
5. Maintenance and Operating Costs:
  • Jaw Crusher: Generally has a simpler structure and is easier to maintain. It also tends to have lower operating costs compared to impact crushers.
  • Impact Crusher: Requires more maintenance and higher operating costs, especially if the wear parts need frequent replacement.
6. Applications:
  • Jaw Crusher: Commonly used for primary crushing in mining, quarrying, and recycling applications.
  • Impact Crusher: Suitable for secondary and tertiary crushing in various industries, including mining, construction, and recycling.
Ultimately, the choice between an impact crusher and a jaw crusher depends on the specific application and requirements. Factors like material hardness, desired particle size, and production capacity play a significant role in determining which type of crusher is best suited for a particular job.

5. How many types of crusher are uesd?

There are several types of crushers used in various industries for different applications. Some of the common types of crushers include:

  1. Jaw Crusher: A primary crusher that uses a compressive force to crush large materials into smaller pieces. It is commonly used in mining and recycling industries.
  2. Impact Crusher: Utilizes rapid impact to break down materials. Impact crushers are often used for secondary or tertiary crushing in mining and construction.
  3. Cone Crusher: Operates on the principle of compression crushing. It is used in the mining and aggregate industries to crush medium to hard materials.
  4. Gyratory Crusher: A primary crusher that uses a mantle and concave surfaces to crush materials. It is typically used in mining and mineral processing.
  5. Roll Crusher: Utilizes compression to crush materials between two rolls rotating in opposite directions. Commonly used in the mining and construction industries.
  6. Hammer Crusher: Uses hammers to crush materials by impact. It is often used for crushing softer materials like coal and limestone.
  7. Cage Mill Crusher: Consists of a cylindrical cage with internal rotating hammers to crush materials. Commonly used in the fertilizer and agricultural industries.
  8. Vertical Shaft Impactor (VSI): A type of impact crusher that uses a high-speed rotor to throw materials against a hard surface for crushing. Used for producing fine aggregates.
  9. Horizontal Shaft Impactor (HSI): Similar to VSI but with a horizontal shaft, used for primary and secondary crushing in mining and construction.
  10. Cone Crusher (Symons/Nordberg): A specialized type of cone crusher used in the aggregate and mining industries.
  11. Compound Cone Crusher: Combines the advantages of both jaw and cone crushers for fine crushing. Used in the mining and aggregate industries.
  12. Mobile Crushers: Refers to various types of crushers designed to be moved from one location to another. Commonly used in construction and demolition.
  13. Track-Mounted Crushers: Mobile crushers that are mounted on tracks for easy mobility, commonly used in quarrying and recycling.
  14. Stationary Crushers: Crushers that are permanently installed at a specific location, commonly used in mining and processing plants.
  15. Rotary Crushers: Utilize a continuous rotary motion to break down materials, often used in the fertilizer and agricultural industries.
  16. Jaw/Roll Crushers: Combine the functions of a jaw crusher with a roll crusher for intermediate crushing.
  17. The choice of crusher type depends on the specific application, material properties, desired output size, and other factors. Different industries and processes require different types of crushers to efficiently reduce the size of materials or produce the desired end product.