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Operating Procedures for Plastic Machinery

Time：

2018-02-04

The development and application of plastic machinery have greatly advanced the plastics industry. Therefore, operators must follow standardized procedures and strictly adhere to the following guidelines. Below is a brief overview of the safety operating procedures for plastic machinery: 1. Prioritize safety during operation; fire extinguishers should be kept near equipment that uses heat-transfer oil. 2. In the event of a malfunction or any abnormal condition, report it immediately to the relevant personnel and have maintenance staff handle the issue. If any unsafe or unusual phenomena are detected, activate the emergency stop switch. 3. Do not use low‑quality recycled material containing metallic impurities or sand. Keep the feed inlet area clear of objects that could fall into the machine.

The development and application of plastic machinery have significantly advanced the plastics industry. Therefore, operators must adhere to standardized procedures and strictly follow the guidelines outlined below. Next, we will briefly introduce the safety operating procedures for plastic machinery:

1. When using, ensure safety by placing the fire extinguisher near equipment that uses heat-transfer oil.

2. In the event of a malfunction or abnormal condition, report it to the relevant personnel and have it addressed by maintenance staff. If any abnormality that could compromise safety is detected, press the emergency stop switch.

3. Do not use low-quality recycled material containing metallic impurities or sand; ensure that no metal objects that could fall into the feed inlet are left nearby, to prevent accelerated wear of the screw and barrel or jamming and damage.

4. When operating plastic machinery, use hydraulic oil that meets the specified requirements for cleanliness and viscosity, and supply cooling water to the oil cooler at the prescribed flow rate to prevent blockages, oil leaks, and other damage to hydraulic components and piping caused by oil contamination or high temperatures. Extruders must be lubricated with the recommended grade of gear oil.

5. When operating plastic machinery, strictly adhere to the operating procedures; unauthorized operations are prohibited at non‑operator stations. Ensure the reliability of safety devices, and do not compromise the machine’s safety safeguards in pursuit of efficiency.

6. During operation of plastic machinery, the material temperature must be maintained at the set value; if the holding time is insufficient, the screw must not be started or operated.

7. Operation shall be performed by trained operators who are familiar with the structural characteristics and operating procedures of plastic machinery.

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