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Jaw crushers are commonly used in the mining and construction industry due to their versatility and low operating costs. The machine is designed to crush large rocks or ores into smaller pieces, making it easier to transport and process. In this article, we will discuss the working principle of jaw crushers, the different types of jaw crushers, and their applications.
Jaw crushers operate according to the principle of pressure crushing. The crushing material is crushed in the wedge-shaped pit between the fixed crusher jaw and the crusher jaw articulated on an eccentric shaft. The material is crushed by the elliptic course of movement and transported downwards. This occurs until the material is smaller than the set crushing gap.
The material is crushed when the two jaws move towards each other. As the material enters the crushing chamber, the moving jaw exerts a compressive force against the stationary jaw. This force is generated by the eccentric shaft, which moves the swing jaw against the fixed jaw, thereby crushing the material.
There are several types of jaw crushers available, each with its unique features and benefits. The most commonly used jaw crushers are:
1. Single-toggle jaw crushers - This type of crusher has a stationary jaw and a swing jaw that moves back and forth. The single-toggle jaw crusher is the simplest and most common type of crusher.
2. Double-toggle jaw crushers - In this type of crusher, the swing jaw is moved by a cam or pitman mechanism, which causes it to move towards the fixed jaw when the pitman moves upward and away from the fixed jaw when it moves downward.
3. Blake jaw crushers - These crushers have a stationary jaw and a swing jaw that moves back and forth. The Blake jaw crusher is commonly used for primary crushing.
Jaw crushers are commonly used in the mining and construction industry for the following applications:
1. Primary crushing - Jaw crushers are used for primary crushing of large rocks or ores.
2. Secondary crushing - Jaw crushers are used for secondary crushing of smaller rocks or ores.
3. Recycling - Jaw crushers can be used to recycle construction waste or other materials.
Jaw crushers are versatile machines that can be used in a variety of applications. They operate according to the principle of pressure crushing, where the material is crushed between the stationary and moving jaw. Understanding the working principle of jaw crushers is essential for anyone who works with these machines.
