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Common Faults Of Jaw Crusher And Precautions For Installation And Maintenance

Last Update:2020-05-06 18:07:02

Jaw crusher is mainly used as coarse crusher and medium crusher. The jaw crusher has the advantages of simple structure, easy manufacture, reliable operation and convenient maintenance. Widely used in mining, smelting, building materials, roads, railways, water conservancy and chemical industries, etc. in a variety of ores and bulk materials of medium size crushing. The ideal compressive strength of the crushed material is 320MPa. In order to ensure the stable operation of the equipment and create benefits for the users, the installation, operation, maintenance and maintenance of the jaw crusher should be carried out according to the requirements.

In the process of installation and debugging, the jaw crusher often buries unsafe hidden danger to the later production process due to operation error or unqualified debugging. How to install and debug jaw crusher is right? First of all, the equipment should be installed in the place of rain protection, not in the open air. The machine shall be firmly fixed on the concrete ground, and the foundation shall be provided with a discharge chute with a slope of not less than 50 degrees. The motor shall be installed at the rear of the crusher, and the rotation direction shall be made according to the requirements, without reverse direction. Before adjusting the discharge port, loosen the tension spring first, and then adjust the tension of the spring properly after adjustment. Tighten screws and connecting parts and check lubrication before commissioning. In order to reduce the breakdown of jaw crusher in the production process, it is necessary to install the crusher by trained technicians in strict accordance with the requirements.

After the correct installation and commissioning, jaw crusher will be put into production. In the process of operation, how to maintain and solve the problem in time in case of failure is the concern of every user. In order to ensure the normal operation of jaw crusher, in addition to correct operation, the maintenance of jaw crusher needs to be carried out in a planned way, including daily maintenance inspection, minor repair, medium repair and overhaul.

The minor repair of jaw crusher mainly includes checking and repairing the adjustment device, adjusting the clearance of discharge port, and turning or replacing the worn lining plate. Check the transmission part and lubricating system and change the lubricating oil in time. The cycle is generally about 1-3 months. Intermediate repair includes replacement of thrust plate, lining plate, inspection and repair of bearing bush, etc. The cycle is generally about 1-2 years. The overhaul includes replacing the turning eccentric shaft and the jaw spindle, casting the Babbitt alloy on the upper part of the connecting rod head, and replacing or repairing the worn parts. The cycle is generally about 5 years.


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