Detailed introduction about jaw crusher

Dec 09, 2021

As a primary crusher, the jaw crusher can be used to crush all materials with compressive strength below 350Mpa, such as basalt, granite, marble, limestone, etc. It is widely used in mining, smelting, building materials, highway, railway, and other industries.

The jaw stone crushing machinery uses a motor drive as the power source. The motor inputs the power to the pulley through the V-belt, and the pulley drives the eccentric shaft to rotate to drive the movable jaw body to swing back and forth. When the movable jaw moves close to the fixed jaw, the volume of the crushing cavity decreases and the material in the crushing cavity is squeezed or broken. When the movable jaw moves away from the fixed jaw, the volume of the crushing cavity becomes larger and the crushing cavity The crushed small pieces of material are discharged from the discharge port, this is a continuous circulation movement to realize the crushing operation

PE jaw crusher produced by The Nile machinery is mainly composed of frame part, eccentric shaft rotation part, crushing chamber working part, safety device, discharge port adjustment device, and so on.

1. The spindle of the jaw stone crusher adopts 42 chromium-molybdenum, with high strength, hardenability, good toughness, and high creep strength. It can continue to operate at high temperatures and has good high-temperature resistance.

2. The body of the jaw crushing machine is made of A3 steel, with moderate carbon content, good comprehensive performance, good strength, plasticity, and welding properties, and the most widely used.

3. The jaw plate and protective plate are made of high manganese steel. The most important feature of high manganese steel is that under strong impact and extrusion conditions, the work hardening phenomenon occurs quickly on the surface layer, and the hardening layer has good wear resistance while maintaining good toughness and plasticity. This is not possible with other materials.

4. Toggle plate of the stone jaw crusher machine is made of nodular cast iron, which is a kind of high strength cast iron material, its comprehensive performance is close to steel, through spheroidization and inoculation treatment to get spherical graphite, effectively improve the mechanical properties of cast iron, especially improve the plasticity and toughness, so as to get higher strength than carbon steel.

The Nile machinery produces PE jaw crusher equipment is the biggest advantage of high performance, good stability, through the optimization of the machine overall structure and the part weight, to determine the structure of the flywheel, sheave, and the weight of the counterweight block, make the aircraft in terms of vibration has been greatly improved, and compared with the same specifications of the jaw crusher, with higher stability, high reliability, easy operation, and maintenance. It is widely used in various crushing processes.