Industry News

Edge granulators are commonly used machines in the plastic industry, primarily designed to quickly grind edge trimmings and waste materials generated during production for reuse. To ensure the granulator operates efficiently and safely, and to prevent equipment damage or injury, operators must strictly follow the correct operating procedures. Below are the safety guidelines for using edge granulators, which will be useful for users with these machines installed.

1. Pre-Operation Checklist

Before starting the granulator crusher, operators should thoroughly inspect the equipment. First, ensure the power supply is disconnected to avoid any accidental operation. Check all mechanical parts to ensure they are functioning properly and confirm that the blades are sharp and securely fastened. It’s also essential to inspect transmission components, such as belts and couplings, to ensure they are tight. If any abnormalities are found, the machine should be stopped and repaired immediately. Lastly, check that the machine is properly connected to the production line, ensuring there are no blockages that could prevent smooth operation.

2. Starting the Granulator

Once all checks are complete and the machine is confirmed to be in working order, it’s time to start the granulator machine. The operator should stand at a safe distance from the feed and discharge openings. Begin by switching on the power, confirming that the machine receives electrical power, then press the start button. Carefully observe the machine during operation. If you hear unusual noises or notice vibrations, stop the machine immediately and investigate the cause.

3. Operational Precautions

While the machine is running, operators should maintain constant attention to the granulator. During feeding, ensure that waste materials are fed evenly into the machine, avoiding overloading or feeding too quickly, as this can damage the plastic granulator. Never place hands or any other objects inside the machine to prevent accidents. If a blockage occurs or the machine gets stuck, immediately stop the machine and clear the obstruction.

4. Emergency Stop and Troubleshooting

In case of an emergency, such as unusual noises, smoke, or malfunction, press the emergency stop button immediately to halt the machine. Once the machine is stopped, follow the troubleshooting process to identify the issue. During the troubleshooting process, operators must wear the appropriate safety gear to protect themselves.

5. Post-Operation Cleaning and Maintenance

After each production cycle, operators should clean the edge granulator. First, turn off the power supply. Remove any debris from the feed and discharge areas and clean the machine’s exterior. Pay special attention to the blades and screens inside the grinding chamber to ensure optimal performance for the next use. When cleaning, avoid using water directly on the equipment, as moisture can cause electrical failures. Regularly lubricate the machine and check the condition of the blades; replace them when necessary.

6. Safety Measures

To ensure operator safety, all personnel must wear the appropriate protective gear, including gloves, safety glasses, and ear protection, to prevent accidents. Operators should receive proper training to understand the machine's working principles, common faults, and how to resolve them. Regular safety drills are also recommended to reinforce proper procedures.

As an essential auxiliary machine in plastic production, operating the edge granulator correctly not only extends its lifespan but also ensures the safety of the production process. By following the operational guidelines above, users can maintain high operational efficiency and minimize the risk of accidents. Regular inspections and maintenance will further reduce the likelihood of breakdowns and improve overall productivity.