Boot smoking adopts a secondary smoking method to avoid temperature overflushing;
Before opening and shutting down, the pure copper scraper is used to wash the accumulation, and paraffin is used to clean the membrane mouth, to reduce the influence of hydrogen fluoride on the membrane bubble;
Cover the protective felt immediately after shutdown to avoid mold damage. (blown film machine adopts this method);
Check the temperature and current of each temperature zone and the heating plug-in of the membrane port regularly, and correct the temperature difference;
Calibrate the level of the die head and match the center point with the reconnection; A torque wrench is used to remove the molded screw. According to the specified torque operator, molybdenum disulfide grease is used for the high-temperature part of the screw.
Note: It is forbidden to carry out welding and mechanical processing on the mold.