The main causes of jaw plate damage

During the crushing process, due to multiple extrusion of the material, fine cracks are formed on the surface of the jaw plate, and then the cracks are continuously extended to cause the surface material to fall off. When the material is squeezed, the squeezing force makes part of the jaw plate crush or turn up and separate from the jaw plate with the ore materials. The material slides into and cuts jaw plate, which causes part of the jaw plate falling off.

How to protect and maintain jaw plates

Equipment parameters should be suitable for the materials The jaw plate should be fastened regularly The materials with good plasticity such as lead plate, plywood and cement mortar can be placed between the two surfaces The materials of the jaw plate should correspond to rocks hardness For the large-sized jaw crusher, the large rocks and stones make the jaw plate wear seriously. Therefore, the high manganese steel can be used as the material of the jaw plate. Due to the jaw plate is usually formed into a vertically symmetrical shape, it can be inverted to use secondly

The main causes of the mantle (movable cone) and concave (fixed cone) damages

The ore is too hard During the crushing process, if the ores are too hard, the impact force exerted on the chamber wall will increase, and the long-term impact and collision will aggravate the wear of the chamber and cause its damage. There are too much stone powder and moisture When the cone crusher works, if stones and rocks remain too much powder and moisture, they will easily stick to the concave and the mantle. After a long time, not only will the production efficiency be reduced, but also the mantle and the concave get corrosion and service life gets reduced. Improper feeding method The feeding mode of the cone crusher also has a material influence on the service life of the concave and the mantle. If the feeding equipment of the cone crusher is improperly installing, or if too many stones are feeding into the chamber, the material will be plugged in the chamber.

What are the causes of impeller damage?

The feeding is not uniform and continuous, and the material size does not comply with the equipment requirement, which means that the materials with too large particles will cause the imbalance of the impeller, resulting in wear. Still feeding the machine when the main shaft has stopped, which causes the impeller to be crushed and damaged directly.

How to protect the rotors of sand making machine?

Improve the balance accuracy of the rotor Choose a proper match: the main bearing of the sand maker rotor is the impact load. Improve the bearing's stress

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