Jaw crusher process - Sell

Jaw crusher process

2016-09-15 22:07 Views:172

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A design, material selection
  At design time, move the jaw and fixed jaw broken board should toothed peaks teeth Valley. , Broken on the material in addition to compression, as well as bending, the material is more easily broken. In order to enhance the life of the broken plate, small and medium-sized crusher broken board into the shape of the upper and lower symmetry, the moment the Ministry of wear and tear can turn around and use; large jaw crusher broken board designed to be symmetrical with each other a few pieces, so that wear can bebroken board swap use. The broken plate material can be selected white cast iron.White cast iron hardness larger, better wear resistance, the source is easy, cheap; drawback is brittle and easily broken, life is short. In order to improve the service life of the broken plate, the materials used in more than 12% of manganese-manganese steel better common of ZGMn13. Manganese steel, toughness, hardness is not high (about 210 HB), however, because of the characteristics of cold hardening under pressure will continue to be strengthened, so at work constantly wear and continue to strengthen until the wear and tear to not use only scrap. Manganese steel crushing plate casting by tough water treatment, water toughening operating largely quenching the same, namely, the casting out of the manganese steel crushing plate heated to 1 000 to 1 100 ° C after rapid cooling in water. Water toughening treatment can be a uniform microstructure, and microstructure of fixed, to avoid leaving degrades the performance of phase change in the use of naturally occurring. The shortcomings of manganese steel is more expensive, but the service life, cost and other aspects of general considerations of ZGMn13 than white cast iron long life and low cost.

2 assembly
Assembly, broken boards must be firmly attached to the E-board, between the two should be leveled, broken between the plate and the jaw with a soft metal (such as lead, zinc, etc.) for gasket and bolt. Crusher, crushing the board there should be no loosening, or easily broken or worn broken board, reduce the service life of the broken plate.Therefore, the assembly must be installed, broken plates, thus extending the life of the broken plate.

3 Use the process in order to strengthen the life of the broken plate
Broken plate and the material of a direct role in the production process, breaking force, especially broken hardness materials, cause the installation to the vibration of the broken plate bolts, nuts loose, broken plates increased wear and tear and have a great deal of noise, severe crushing plate to fall off or break the equipment down, affecting the normal production. When this happens, just boot before tighten the bolt, nut is not completely solve the problem, according to the actual situation of the site specific issues and problems, think of a way to take practical solution to the problem. For example, you can use spring locking damping device to solve the loosening of the broken board in the work, thus extending the life of the broken plate, and improve work efficiency.Specifically, this spring made the bolts anti-loosening and self-compact device, the device from within spring cover, spring, the outer spring gland composition, and to wear this device to tighten the nut on the bolt, the spring was nut pressed to a certain extent, have a very strong anti-vibration effect and huge crushing force of the bolts loose power spring tension automatically compensate for therefore bolt Bu Zhiyu loose, thus extending the life of the broken plate, improve production efficiency. In short, in the course of specific situations think of ways to solve the specific problems to prevent the broken plate loosening, wear, break, etc., thus extending the life of the broken plate, reduce costs, improve work efficiency.

4 Conclusion
   Strengthen the jaw broken broken plates life from the material selection, assembly, and process improvement aspects to strengthen jaw broken broken plate life, jaw crusher in order to improve production efficiency, reduce production costs.