How to maintain the plastic crusher

A plastic crusher is a machine that crushes plastic materials. When the granulator produces raw materials, the defective products and nozzle materials produced can be put into the plastic crusher in time. After grinding, keep the grinding clean and dry. The raw materials and nozzles are crushed, mixed and formed to produce good products and recycled. The advantage of the "mixed recovery system" formed by the plastic crusher and other auxiliary machines is that the material is not polluted, which prevents the physical properties of the plastic from being damaged, so it can improve the quality of the product; The benefits include cost and material savings, automated improvements in process management, quasi-unmanned workshop movements, increased competitiveness, and environmentally friendly manufacturing activities.

Precautions:

1. Before starting, the drive wheel should be moved one or two circles by manpower. After confirming that the movement is flexible, it can be turned on. Wait until the crusher is running normally before feeding.

2. Before stopping the operation, the feeding should be stopped and the material in the machine should be drained, and then the power of the motor should be cut off.

3. Pay attention to the temperature of the bearing during operation, make sure that the bearing is kept in a good lubricating state, and pay attention to whether there is any abnormality in sound and vibration. When an abnormal situation is found, stop the vehicle to check whether it is stuck by a non-breakable object, or whether the machine parts are damaged.

4. It is necessary to keep the feeding of the crusher uniform and prevent overloading. Strictly prevent unbreakable objects such as metal and wood from falling into the machine. When it cannot be crushed, the feed moisture should not be too high; when wet crushing, it is necessary to maintain an appropriate amount of water to prevent clogging due to insufficient flushing and reduce production capacity.

5. Check whether the particle size of the crushed product meets the requirements. If there are too many particles exceeding the specified size, the reasons should be found out (such as the screen gap is too large, the discharge opening is too wide, the hammer is worn, etc.), and appropriate measures should be taken to eliminate it.

6. When the crusher is stopped, check whether the fastening bolts are firm and the degree of wear of the easily worn parts. For the tooth crusher, the parking opportunity should also be used to remove the wood caught between the teeth.

7. Worn parts should be replaced or repaired in time.

8. The safety device of the crusher must be kept in good condition, and the safety device must not fail to save trouble.

Maintenance：

1. The plastic crusher should be placed in a ventilated position to ensure that the motor works to dissipate heat and prolong its life.

2. The bearings should be filled with lubricating oil regularly to ensure the lubricity between the bearings.

3. Regularly check the knife screws. After the new plastic crusher is used for 1 hour, use tools to tighten the screws of the moving knife and the fixed knife to strengthen the fixation between the blade and the knife holder.

4. In order to ensure the sharpness of the knife incision, the knife should be checked frequently to ensure its sharpness and reduce unnecessary damage to other parts caused by the dullness of the blade.

5. When replacing the knife, the gap between the movable knife and the fixed knife: 0.8MM for crushers above 20HP, and 0.5MM for crushers below 20HP. The thinner the recycled material, the larger the gap can be.

6. Before the second startup, the remaining debris in the machine room should be removed to reduce the startup resistance. The inertia cover and pulley cover should be opened regularly to clear the ash outlet under the flange, because the powder discharged from the plastic crusher room enters the shaft bearing.

7. The machine should be well grounded.

8. Regularly check whether the belt of the plastic crusher is loose, and adjust it in time.

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