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Maintenance skills of impact crusher

Date:2019-08-07 16:14     writer:cement editor     Views:

In order to ensure the service life of the impact crusher, users should often carry out maintenance of impact crusher.

1. Check

(1) the running point of the counterattack crushing machine is stable. When the vibration quantity of the machine suddenly increases, the machine should be stopped immediately to find out the cause and eliminate it.

(2) under normal circumstances, the temperature rise of the bearing should not exceed 35 degrees, and the maximum temperature should not exceed 70 degrees. If the temperature exceeds 70 degrees, the bearing should stop immediately and find out the reason.

(3) when the wear of board hammer reaches the limit mark, it shall be turned around or replaced in time.

(4) after assembling or replacing the board hammer, the rotor balance must be maintained, and the static balance shall not exceed 0.25kg.m.

(5) when the rack lining plate is worn out, it should be replaced in time to avoid wear of the housing.

(6) check the tightening state of all bolts before starting each time.


2. Open and close rear cover

When the frame lining board, counter lining board, board hammer and other wearing parts need to be replaced after wear, or when the machine failure needs to be eliminated, use the ratchet device to open and close the upper cover, for replacement and maintenance.

(1) open

Before opening the back cover, unscrew the lock nut and bolt, and then put the pad at the lower end of the upper cover arm.When open, need person to operate at the same time, pull ratchet device, cover is slowly opened.When opening the lower end pad near the end point, it should contact the lower end ramp of the arm in advance to ensure safety and stability.

(2) close

After the replacement or overhaul, turn the small handle on the ratchet device to operate between two people at the same time, which can slowly close the upper cover.Before closing the back cover.

3. The lubrication

(1) often pay attention to and timely lubrication of the friction surface.

(2) the impact crusher used lubricating oil, should be based on the crusher machine used location, temperature and other conditions to determine, generally can use calcium - sodium base lubricating oil.

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