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Installation and Maintenance of Impact Crusher

This article will introduce the installation and maintenance of impact crusher. The plate hammer and rotor of the impact crusher are rigidly connected, and there is a larger crushing cavity. So that the material has a certain space for movement. The impact crusher uses a high-speed rotating rotor to impact the material. Under the action of the plate hammer, the material not only crushed, but also gains greater speed and kinetic energy. The impact occurs between the blocks and the material is crushed.

impact crushing plant
Daswell impact crushing plant

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The installation notes of impact crusher

  • The impact crusher electromechanical pump is equipped with a vibrating unit. All fasteners should be tightened during installation and before commissioning. It should also be checked regularly during production operation and tightened at any time.
  • Pay attention to the direction of counter-breaking rotation (the direction of rotation arrow is marked on the pulley) during installation, and it is irreversible.
Model PF-1315 PF-1320 PF-1820
Specification φ1320×1500 φ1320×2000 φ1800×2000
Feed opening size (mm) 550×1530 610×1900 1260×2040
Feeding size (mm) ≤350 ≤500 ≤800
Capacity (t/h) 130-280 180-400 600-800
Power (kw) 185 220 630-710
Overall dimension (mm) 2930×2761×3053 3224×3175×2706 4400×3866×4009

PF1320 impact
PF1320 impact crusher

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  • The gap between the counterattack plate and the blow bar should be gradually adjusted according to the work needs. What’s more, after adjustment, use your hands to turn the rotor several times to check for impact. After adjustment, the sleeve nut should be tightened. In order to prevent the impact plate by vibration, nut loose and gradually decline and plate hammer collision, resulting in accidents.
  • Since the discharge port of the impact crusher is at the bottom, the installation height and how to cooperate with the feeding and discharging devices should consider in the system design.

PF-1315 impact crusher
PF-1315 impact crusher machine
PF-1820 impact crusher
PF-1820 impact crusher machine

Model Specification Feed opening size (mm) Feeding size (mm) Capacity (t/h) Power (kw) Overall dimension (mm)
PF-1007 φ1000×700 400×730 ≤250 15-60 45 2319×1654×2558
PF-1010 φ1000×1050 400×1080 ≤300 50-90 55 2319×2001×2558
PF-1210 φ1250×1050 450×1060 ≤300 80-150 90 2585×2053×2809

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  • After installing the impact crusher motor, it should be equipped with a transmission belt protection cover according to the installation situation.

The maintenance notes

  • Routine inspections should be made frequently during the operation of the impact crusher. When abnormal noise is found or the bearing temperature is higher than 70°C. The machine should be shut down immediately for inspection. After the fault is eliminated in time, the machine can be turned on again.
  • Feeding can only be done after the machine is running normally. Feeding must be even, and it also should prevent from being mixed with iron blocks and hard objects. Feeding must be stopped before the shutdown. And the motor will be stopped after the material is broken during the shutdown.
PF impact crusher
PF impact crusher machine
PF-1520 impact crusher
PF-1520 impact crusher machine

Model Specification Feed opening size (mm) Feeding size (mm) Capacity (t/h) Power (kw) Overall dimension (mm)
PF-1214 φ1250×1400 450×1440 ≤300 100-200 132 2585×2403×2809
PF-1520 φ1500×2000 830×2040 ≤700 300-550 (220-250)×2 3959×3564×3330

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  • After the impact crusher is overhauled or adjusted, the rotor should be manually rotated. Make sure that the rotor has no friction or jamming on other parts and can rotate flexibly before starting the motor.
  • Check regularly whether the seal of the bearing seat is in good condition. Grease in the bearing seat should be filled once a month. Clean the oil and replace the linoleum every three months.
  • In order to ensure the safety of operators and equipment, repairs, adjustments and clean-ups are forbidden while the machine is in operation.

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