Bottle blowing machine product detection abnormalities and solutions
Bottle blowing machine product detection abnormalities and solutions: When the injection weight, bottle mouth size, and stress line of the semi-finished preform in the preform injection section exceed the process control range, double the sampling and measurement. And follow-up. The semi-finished products below the lower limit of the specification will be isolated. 1. The size of the semi-finished product in the crystallization section of the bottle mouth, and the crystallization condition of the bottle mouth should be checked for abnormality, and then double sampling and measurement. Follow-up follow-up. Semi-finished products will be isolated for inspection during the relevant period. 2. Finished products in the blowing section (1) Bottle height, bottle wall thickness, body diameter size, injection point capacity, volume shrinkage rate, body diameter shrinkage rate, exceeding the process control specifications When the range is within the range, double the sampling and measurement. If it exceeds the standard, an isolation order will be issued to notify the production improvement and follow-up. (2) Heat resistance: The center temperature of the bottle after filling with hot water is 91±1℃, when the bottle body is obviously deformed, double sampling and measurement. If the exceeding standard is true, an isolation order will be issued to notify the production improvement and follow-up. , and then double the sampling measurement. If the exceeding standard is true, an isolation order will be issued to notify the production improvement and follow-up. (4) When there is a slight abnormality in the appearance of the product, contact the production line to take preventive measures to avoid the occurrence of unqualified products, and issue when the appearance is abnormal. 3. Tracking and isolation of non-conforming products Once a non-conforming product is found in production, it should immediately notify the site for adjustment and improvement, and track and isolate the defective product. The operation method is as follows : Sampling inspection of the previous pallet produced during this period. If defective products are found, continue to inspect the adjacent and previous pallet until no defective products are found.
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