PU Tire Production Process Control
1. Monitoring of machine proportion; Test the ratio of A: B materials twice a day;
2. Monitoring of material density: The pu material density shall be tested once every 2 hours;
3. Inspection of pu tire weight and hardness in process; Sampling inspection shall be conducted every 1 hour;
4. Cleaning and replacement of machine head; Replace the mixing blade every 4 hours and clean the machine head once;
5. PU tire mold cleaning: Clean the tire mold once a day to ensure the appearance quality of the pu tire;
6. Cup foaming test must be carried out for each feeding;
7. The apperance inspection of pu tire per mold must be carried out when trimming; Every mold must be cleaned when removing it.
