Jushang Machinery

The daily malfunctions and solutions of sand and gravel crushers mainly focus on the following aspects:
1. Bearings often generate heat
Reason: There are many factors that can cause bearing heating, such as improper installation, frequent machine vibration, inadequate lubrication, high working environment temperature, and the quality and wear of the bearing itself.
Solution: Install and reinforce the machine correctly according to the operating instructions, and add an appropriate amount of lubricating grease; Clean the bearings; Replace bearings, etc.
2. Excessive vibration of the equipment
Reason: When the base becomes loose or the hammer head is replaced, or due to wear of the cone head, the static balance of the rotor does not meet the requirements; Hammer head breakage, rotor imbalance; Bending and fracture of the pin shaft; Triangular or circular cracks; The anchor bolts are loose.
Solution: Tighten the foot screw, remove the hammer head, select the hammer head according to the weight, so that the total weight of the hammer head on each shaft is equal to the total weight of the hammer head on its relative shaft, that is, the static balance meets the requirements; Replace the hammer head; Replace the pin shaft; Welding repair or replacement of triangles or discs; Tighten the foundation bolts.
3. The discharge particles are too large
Reason: Excessive wear of the hammer head; The sieve strip is broken.
Solution: Replace the hammer head; Replace the sieve strip.
4. Decreased production
Reason: Uneven feeding, high viscosity and humidity of materials, and clogged screening strips;
Solution: Adjust the feeding speed, dry the material, stop the machine to check the screening strip, and clean the gaps and blockages.
5. Foreign object noise generated inside the machine
Reason: Foreign objects entering the interior of the machine; Loose fasteners on the lining plate caused the plate hammer to hit the lining plate; The hammer or other components break.
Solution: Stop the machine and clean the crushing chamber; Check the fastening condition of the lining plate; Replace the broken component. 6. The elastic coupling produces a knocking sound
Reason: Loose pin shaft; The elastic ring is worn.
Solution: Stop and tighten the pin nut; Replace the elastic ring.