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Advantages and Disadvantages of Jaw Crusher

September 24, 2023    Hawk

Ⅰ. Introduction

1.A brief introduction to jaw crusher

Jaw crusher is a common mining machinery equipment, mainly used for coarse crushing of ores and bulk materials of various hardnesses. It has two jaw plates, one fixed jaw plate, called the fixed jaw plate, and the other movable jaw plate, which is driven by an eccentric shaft so that the movable jaw plate can move up and down. When the movable jaw plate moves downward, the material is pressed between the two jaw plates and crushed. When the movable jaw plate moves upward, the fragments of material can be discharged from the discharge port below.

  1. Application of jaw crusher in various industries

Jaw crushers are widely used in various industries, including mining, metallurgy, building materials, highways, railways, water conservancy and chemical industries. The following are the specific applications of jaw crushers in various industries:

  1. Mining industry: Jaw crusher is mainly used for the preliminary crushing of ores, such as iron ore, copper ore, gold ore, etc.
  2. Metallurgical industry: In the metallurgical industry, jaw crushers are mainly used to crush and reprocess metallic ores and non-metallic ores.
  3. Building materials industry: In the building materials industry, jaw crushers are mainly used to crush stone materials, such as limestone, granite, basalt, etc.
  4. Road and railway construction: In road and railway construction, jaw crushers are used to make aggregates and provide a stable road foundation.
  5. Water conservancy and chemical industry: In the water conservancy and chemical industry, jaw crushers are used to crush various hard and brittle materials, such as gypsum, salt, acid-base ores, etc.

Ⅱ. Advantages of jaw crusher

Simple structure: Due to its simple structure, the jaw crusher is relatively simple to operate and maintain, which greatly reduces the user’s work intensity.

Long service life: The wear-resistant parts of the jaw crusher are made of materials with high hardness and high toughness, so that they wear less and have a relatively long service life during long-term working processes.

High crushing efficiency: The crushing cavity of the jaw crusher is deep and has no dead space, which increases the feeding capacity and output.

Ⅲ. Disadvantages of jaw crusher

Heavy weight: Due to the structure and working principle of the jaw crusher, its own weight is relatively large, which brings certain difficulties to transportation and installation.

Loud noise: During the working process, the jaw crusher will produce loud noise, which will have a certain impact on the environment and the health of operators.

High energy consumption: During the working process of the jaw crusher, its energy consumption is relatively high due to its crushing principle and structure.

Ⅳ. Conclusion

Analysis of the advantages and disadvantages of jaw crusher:

Overall, the jaw crusher is a sturdy and durable crusher that is worthy of our choice.

How to choose and use jaw crusher according to actual situation?

  1. The following factors need to be considered when selecting and using a jaw crusher:


  • Material Properties: You need to consider properties such as hardness, toughness, viscosity, etc. of the material you plan to crush. Jaw crusher is suitable for materials with higher hardness.
  • Crushing needs: You need to consider your crushing needs, including crushing particle size, output, etc. Jaw crushers are usually used for primary crushing. If you need a finer crushing effect, you may need to use it with other types of crushers.
  • Economic factors: You need to consider economic factors such as the purchase cost, operating cost, and maintenance cost of the equipment.
  • Equipment performance: Different jaw crushers may differ in performance, such as crushing efficiency, durability, etc. You need to choose based on your actual needs.


  1. When using the jaw crusher, you need to pay attention to the following points:


  • Before operation, make sure that all parts of the equipment are normal and there are no loose or damaged parts.
  • During the crushing process, the operation of the equipment should be checked regularly. If there is any abnormality, it should be stopped immediately for inspection.
  • Carry out regular equipment care and maintenance to ensure the normal operation of the equipment.

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