Crushing mechanism of jaw crusher: relying on the crushing movement of the movable jaw relative to the fixed jaw to crush the material, so the wear of the jaw plate during use is quite serious.
what are the treatment methods for jaw crusher jaw plate? Let ’s take a look together. The detailed treatment method of jaw crusher E plate wear is coming!
1. Equipment parameters are compatible with materials
Sampling inspection of each batch of materials, when there is a large fluctuation in the nature of the materials, timely adjust the main parameters of the crusher, such as clamp angle, eccentric shaft speed, output and motor power, etc. Adapt to reduce the wear of the jaw plate.
2. Pay attention to tighten the jaw plate
Pay attention to the tightening of the newly installed jaw plate, and make sure that the jaw plate is in smooth contact with the surface of the body (dynamic and static jaw). It can be used between two surfaces, such as lead board, plywood cement mortar, and other plastic materials with good plasticity. The requirements for the assembly of the movable jaw plate and the stationary jaw plate are that the red peak of the jaw plate is aligned with the tooth groove of another jaw plate, that is, the movable jaw plate and the fixed jaw plate are in a basic meshing state.
3. Material selection of jaw plate
The jaw plate should be made of a material with high hardness to resist the failure of extrusion micro-cutting, and a material with sufficient toughness to resist the fatigue failure caused by the impact of chiseling. Generally, high-manganese steel containing 12% to 14% of manganese is used to cast the jaw. The small jaw crusher can also use white cast iron to make jaws. At the same time, the structure of the tooth plate is improved to reduce the relative sliding of the material and the tooth plate. Since the jaws are usually made symmetrically up and down, they can be used upside down during minor repairs. Hardtop Huaheng (Shanxi) Wear-resistant Casting Co., Ltd.'s large jaw crusher jaws are made of several pieces and can be used interchangeably to extend the life of the jaws.
4. Interchangeable jaw plate
Cement companies with mining crushing technology lines can exchange the same type of worn jaw plates that are coarsely crushed in mines and finely crushed in cement plants to replace new jaws and continue to play a role.
5. Use surfacing or arc welding
For worn-out jaws, surfacing can be used to restore the tooth shape. When repairing, arc welding or automatic submerged arc surfacing can be used.
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