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Common troubles and troubleshooting methods of hammer type quarry crusher

Le 7 novembre 2017 à 02:08

Rubriques : Quarry Crusher

quarry crusher

The hammer quarry crusher is suitable for crushing all kinds of medium hardness and brittle materials. It is used for coal, cement, gypsum, alum, brick, tile, limestone, etc. the material is not more than 300 MPa.
Hammer quarry crusher work principle: the main working parts of hammer quarry crusher with a hammer (also called hammer) of the rotor. The rotor is composed of the main shaft, the disc, the pin shaft and the hammer. Motor drives the rotor in the crushing cavity high speed rotation. Material from the upper feed into the machine, the impact of the high speed movement of the hammer, impact, shear, grinding and crushing. In the lower part of the rotor, with sieve plate, crushing material less than sieve size fractions discharged through the sieve plate, greater than the mesh size of the coarse grained material resistance in sieve plate continue to be a hammer blow and shear, the sieve plate is discharged out of the machine.
Failure and removal of hammer type quarry crusher:
1, Bearing Overheating
Reason: lack of grease; too much grease; lubricating grease deterioration; bearing damage.
Rule out method: filling amount of grease; bearing grease should be the space volume of 50%; cleaning the bearings; replacement of grease; replacement of bearings.
2, the grain size of the material
The reason: hammer wear too large; sieve faults.
Method: to replace the hammer; replacement of screen strip.
3, the yield decreased
Reason: the screen bar is blocked; the feed is not uniform.
Rule out method: stop, clean the plug in the screen, adjust the charging mechanism.
4, elastic coupling produces percussion sound
Reason: pin shaft loose; elastic ring wear;
Rule out method: stop and tighten the pin shaft nut replacement.
5, the machine generates a percussion sound
The reason: the non crushing matter into the inside of the machine; lining plate fasteners loose, hammer impact on the lining board; breaking hammer or other parts.
Troubleshooting: parking, cleaning up the broken cavity; check the fastening of the lining plate and the gap between the hammer and screen; replace the broken parts.
6, machine vibration
Reasons: replacing hammer or for cone head wear of the rotor static balance undesirable; broken hammer, rotor imbalance; pin shaft bending, broken; triangular disk or disk Park crack; anchor bolt loosening.
Troubleshooting: unloading under the hammer, according to the weight hammer, equal to the total weight of the total weight of each branch on the hammer shaft hammer and hammer shaft hammer, namely static equilibrium is achieved; replacing the hammer head; the replacement of a pin shaft; welding repair or replacement; fastening bolt.

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