What Are Jaw Crusher Parts
May 23, 2023
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Jaw Crusher Classification
Jaw crushers are classified based on the position of the pivoting swing jaw. There are three main jaw crusher types:
Blake crusher – the swing jaw is fixed at the lower position.
Dodge crusher – the swing jaw is fixed at the upper position.
Universal crusher – the swing jaw is fixed at an intermediate position.
Jaw plates are an essential component of a crushing machine. They offer protection to the crushing machine as well as the materials being processed. There are two types of jaw plates: movable jaw plates and fixed jaw plates. The two plates differ in terms of their force and wear mechanisms. The movable jaw plates receive higher impact force, which means their toughness is a crucial factor to consider when purchasing them. On the other hand, the fixed jaw plates are supported by the frame. Therefore, their hardness is a critical consideration during purchase. By understanding the force and wear mechanisms of the jaw plates, one can choose the right type of jaw plates that will provide effective protection to the crushing machine and enhance its durability.
High manganese steel fixed jaw plates are crucial components of your jaw crusher and serve as the primary support for all the machine's parts. They fasten to the machine's body and play a vital role in ensuring its smooth operation. If your machine is an older model, you may be able to acquire replacement parts at approved service centers or specialized dealers.
When it comes to crushing various materials, the jaw crusher is a widely used machine with a vast range of applications. In order to ensure its optimal performance, the jaw plate materials should vary depending on the material to be crushed. For instance, if the material has a high level of hardness, the corresponding jaw plate should also have a high level of hardness. Conversely, if the material is less hard, the jaw plate's hardness level need not be exceptional. Therefore, it is crucial to consider the hardness of the material being crushed before selecting the jaw plate material to ensure optimum efficiency of the crusher.
While the hardness and toughness of the raw materials for the jaw plate are important, it's also crucial to consider the cost-effectiveness. It's recommended to opt for high-quality jaw plates with a reasonable price. Therefore, when deciding on the materials for the jaw plate, it's necessary to balance both the performance and price to ensure you get the best value for your money.

How Jaw Crushers Work
To break down ore pieces, a jaw crusher relies on the application of compressive force by two jaws. This force is what allows the crusher to effectively crush and reduce the size of the material being fed into it.
dies), one of the crusher jaws is stationary (fixed jaw) whilst the other is moving (swing jaw).
The upper feed opening (also known as gape) serves as an entry point for the material, which gradually moves downwards towards the lower discharge outlet. As the material makes its way towards the outlet, it undergoes crushing between the fixed and moving jaws.
v-shaped area between the two jaws is referred to as the ‘crushing chamberAs the name suggests, jaw crushers are machines that use two vertically mounted jaws to crush large rocks into smaller ones. The space between the two jaws gradually becomes narrower towards the discharge outlet, which leads to a progressive reduction in the size of the material being crushed. This makes them ideal for use in mining, construction, and demolition applications, where materials of different sizes need to be crushed and used for a variety of purposes. With their efficient design and durable construction, jaw crushers are an essential tool for any industry that requires heavy-duty crushing equipment.
The gapThe material output size is determined by the distance between the jaws at the discharge outlet. Typically, a jaw crusher will have a crushing ratio of approximately .
6:1 to 8:1In simpler terms, the size of the input material is decreased significantly, typically by a factor of 6 to 8. This reduction allows for more efficient processing and handling of the material.


