Operation and Maintenance of Hammer Crusher

Hammer crusher is a type of primary crusher which can crush material of 600-1800mm to 25mm or even smaller size. Hammer crusher is widely applied to the fine and medium crushing of medium hard stone or ores in cement, chemical, metallurgy and electric power industries, such as limestone, slag, hard coke, coal.

Hammer crusher is a type of high speed rotating crushing machine. In order to ensure the regular work of the hammer crusher for stone, operators shall operate in strict accordance with the operation regulations and maintain it regularly.

1.    Before starting the hammer crusher, do check the former and next procedure, operate it in a correct sequence.
2.    Start or stop the machine only after making sure that there is no material in the crushing chamber.
3.    Regularly check all the foundation bolts and liner bolts to see whether they are loose or not. If loose, tighten them timely.
4.    Regularly check the wear parts such as hammer head or liner. Change the abraded one timely.
5.    Regularly check the lubrication situations of the hammer crusher to ensure the lubrication system are in good condition. Temperature of rotor bearing shall be kept under 60℃ and not higher than 70℃. If it is over-temperature, do find the reason and take measures to reduce the temperature.
6.    Make sure that materials are evenly fed into the hammer crusher.
7.    Check the discharge size of the final product to see whether they are qualified or not. If not, replace the grid or adjust the height of the grid bracket.

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