Jaw crushers are often called jaw crushers, also known as Hukou. A crusher consists of two jaws, a movable jaw and a static jaw, which simulates the movement of the animal's two jaws to complete the material crushing operation. It is widely used in the crushing of various ores and bulk materials in mining and smelting, building materials, highways, railways, water conservancy and chemical industries. The compressive strength of the crushed material is 320 MPa.
When the jaw crusher is working, the movable jaw reciprocates periodically against the fixed jaw, sometimes approaching and sometimes leaving. When approaching, the material is crushed by squeezing, splitting and impacting between the two jaws; when leaving, the crushed material is discharged from the discharge port by gravity.
In the process of breaking boulders into small stones, the first crusher is usually the "master" crusher. The older and powerful crusher is the jaw crusher. When feeding the jaw crusher, the material is poured into the crushing chamber with jaw teeth from the top entrance. The jaw teeth push the material to the wall of the crushing chamber with great force and crush the material into smaller stones. Supporting the movement of the jaw teeth is an eccentric shaft that passes through the frame of the fuselage. The eccentric motion is usually produced by flywheels fixed at both ends of the shaft. Spherical roller bearings are often used in flywheels and eccentric support bearings. They have to withstand huge impact loads, abrasive sewage and high temperatures.
