Supervision and inspection of packaging products is an important component of quality supervision and is an effective means to control the quality of packaged products. If the quality inspection itself is "hard" but the results of quality inspection data are inaccurate, it will greatly damage the interests of packaging manufacturers. Therefore, It is very necessary to improve the validity of the supervision and inspection data of packaging products.This paper discusses some superficial views on how to improve the validity of packaging supervision and inspection data.
First, the correct choice of packaging products based on the inspection criteria is the premise The basic task of packaging product quality supervision and inspection agencies is based on the technical standards of packaging products, using scientific means to test the packaging products (or packaging materials) in order to obtain scientific data and In conclusion, scientific and accurate inspection reports are issued to objectively and fairly evaluate the quality level of the tested packaging products (or packaging materials). Therefore, the inspection basis must be properly selected. If the product falls within the scope of a mandatory standard, it must first be selected for mandatory standard inspection. If it is not within the scope of a mandatory standard, the national recommended standard, industry standard, or filed corporate standard should be used.
Second, to master the correct sampling method is based on the sampling process is the first process of supervision and inspection of packaging products, but also the key process. If the sampled packaged product is not representative, then the accuracy of the inspection data is futile.
Different packaging products have different sampling methods. Therefore, in the sampling of packaging products, samples should be taken correctly according to the requirements of their product standards. Usually should pay attention to the following points:
1. Sampling personnel should strengthen relevant business training. Sampling personnel should be familiar with inspection standards and sampling methods. Sampling should adhere to principles, act impartially, and not seek personal gain.
2. When sampling, a reasonable sampling inspection plan should be formulated, and sampling units should be carefully filled out together with the sampling unit so that the procedures are complete and the procedures are correct.
3. In order to avoid biased sampling, random sampling should be adopted, and conscious or good products cannot be consciously drawn.
Third, the rational and accurate selection of testing equipment is very important to bear the packaging product inspection agencies, the inspection of the packaging products have a third party to make a fair position of quality, it requires testing equipment, instruments must be adapted to the packaging product inspection, acceptance The need for inspection of the project must be verified by the superior technical supervision administrative department. The reliability of the testing equipment and instruments shall be fully applicable to the highest standard of inspection packaging products, the requirements of the testing methods and the measurement requirements. All non-defining testing instruments should be tested and verified to meet the required accuracy before they can be used.
All testing equipment and equipment shall be confirmed, calibrated and adjusted against the standards recognized by the State and qualified equipment and instruments with known effective relationships before the use of the equipment or equipment in order to confirm that the accuracy and precision meet the standards. Software and procedures for controlling automatic test equipment should also be verified. When there is no standard, the basis for the calibration should be written on the document. The test and test equipment shall be provided with a nameplate or identification indicating its quasi-status, and a calibration record of the test equipment shall be kept.
It is necessary to formulate a periodical verification form, and periodically adjust, repair, and recalibrate the equipment to maintain the accuracy and precision required in use. When it is found that the detection process is out of control or the testing equipment exceeds the specified standard limits, corrective measures must be taken. For tested packaging samples, the validity of the test results should be immediately evaluated and documented or retested. In addition, in order to avoid the recurrence of the problem, the reasons must be ascertained, including: standards, methods, personnel training and the adaptability of the testing equipment, re-inspection to ensure the reliability of testing equipment, can not provide packaging products quality testing to the community data.
Fourth, the standardization of the inspection process is to ensure that the inspection personnel must be of a professional level. After undergoing business training and obtaining employment permits, there should be two or more persons in the inspection. During the inspection process, we must strictly guarantee the unification of standards and methods for packaging products. The original records of the inspection shall be missing, missing pages, calculations of each test step, all links, and the numbers, forms, symbols, texts, units of measure, and drawings related to the inspection shall be correct and shall be recorded in a timely manner according to the procedures. Objectively reflect the entire process of testing. In the end, the relevant person signing to ensure that the test results are fair and effective.
V. Confirmation of inspection data The practice proves that the measuring equipment of a packaging product quality supervision and inspection agency is, no matter how advanced and precise, how good and how accurate the measurement repeatability is. If it cannot be traced back to the source, it cannot be accurately measured. Unable to be unified, measurement data lack comparability. Therefore, after the equipment must pass calibration or other traceability methods to determine the quantity, the inspection is valid. The test or calculation data must be processed correctly according to regulations in order to meet the inspection requirements. After the test data is determined, the correct calculation formula is applied and the exact test results are finally obtained according to the rules of “Data Revisedâ€, making the test data more scientific, reasonable and accurate, and further improving its practicality and effectiveness.
VI. Judgment and final results should be improved After the standard packaging product quality supervision and inspection work is completed, the final test conclusions and judgments are required. The conclusions must be: uniform format, standardization, complete content, accurate data determination, and tidy pictures. The word is scientifically rigorous and the text is concise and concise. Special attention should be paid to the conclusion that the conclusion must be consistent with the standard of inspection. It is necessary to establish a quality system that can realize unified management of equipment and testing data, and package organization, procedures and processes. It is necessary to improve the numerical rounding system, select the correct inspection standard, determine the inspection items, select the instrument to be used, operate correctly according to the operating procedures, calculate and modify the data, and record it truthfully. The signatures of inspectors must be calibrated one by one to ensure that the data is accurate and reliable, and that reliable data are provided for the effective verification of the data. Only in this way can technical guarantees be provided for the shipment of packaging products, users, courts and other administrative law enforcement agencies.
In short, the effectiveness of inspection data for the quality supervision and inspection organization of packaging products is directly related to the quality of inspection results. Enhancing the validity of inspection data is a crucial step in strengthening the construction of packaging product quality supervision and inspection institutions. It is the only way to establish a scientific, fair, and authoritative law enforcement agency. It is also a socialist market economy and after China's accession to the WTO, the packaging products Quality supervision and inspection agencies put forward the objective requirements. (Wang Jianying) (From "China Packaging News")
First, the correct choice of packaging products based on the inspection criteria is the premise The basic task of packaging product quality supervision and inspection agencies is based on the technical standards of packaging products, using scientific means to test the packaging products (or packaging materials) in order to obtain scientific data and In conclusion, scientific and accurate inspection reports are issued to objectively and fairly evaluate the quality level of the tested packaging products (or packaging materials). Therefore, the inspection basis must be properly selected. If the product falls within the scope of a mandatory standard, it must first be selected for mandatory standard inspection. If it is not within the scope of a mandatory standard, the national recommended standard, industry standard, or filed corporate standard should be used.
Second, to master the correct sampling method is based on the sampling process is the first process of supervision and inspection of packaging products, but also the key process. If the sampled packaged product is not representative, then the accuracy of the inspection data is futile.
Different packaging products have different sampling methods. Therefore, in the sampling of packaging products, samples should be taken correctly according to the requirements of their product standards. Usually should pay attention to the following points:
1. Sampling personnel should strengthen relevant business training. Sampling personnel should be familiar with inspection standards and sampling methods. Sampling should adhere to principles, act impartially, and not seek personal gain.
2. When sampling, a reasonable sampling inspection plan should be formulated, and sampling units should be carefully filled out together with the sampling unit so that the procedures are complete and the procedures are correct.
3. In order to avoid biased sampling, random sampling should be adopted, and conscious or good products cannot be consciously drawn.
Third, the rational and accurate selection of testing equipment is very important to bear the packaging product inspection agencies, the inspection of the packaging products have a third party to make a fair position of quality, it requires testing equipment, instruments must be adapted to the packaging product inspection, acceptance The need for inspection of the project must be verified by the superior technical supervision administrative department. The reliability of the testing equipment and instruments shall be fully applicable to the highest standard of inspection packaging products, the requirements of the testing methods and the measurement requirements. All non-defining testing instruments should be tested and verified to meet the required accuracy before they can be used.
All testing equipment and equipment shall be confirmed, calibrated and adjusted against the standards recognized by the State and qualified equipment and instruments with known effective relationships before the use of the equipment or equipment in order to confirm that the accuracy and precision meet the standards. Software and procedures for controlling automatic test equipment should also be verified. When there is no standard, the basis for the calibration should be written on the document. The test and test equipment shall be provided with a nameplate or identification indicating its quasi-status, and a calibration record of the test equipment shall be kept.
It is necessary to formulate a periodical verification form, and periodically adjust, repair, and recalibrate the equipment to maintain the accuracy and precision required in use. When it is found that the detection process is out of control or the testing equipment exceeds the specified standard limits, corrective measures must be taken. For tested packaging samples, the validity of the test results should be immediately evaluated and documented or retested. In addition, in order to avoid the recurrence of the problem, the reasons must be ascertained, including: standards, methods, personnel training and the adaptability of the testing equipment, re-inspection to ensure the reliability of testing equipment, can not provide packaging products quality testing to the community data.
Fourth, the standardization of the inspection process is to ensure that the inspection personnel must be of a professional level. After undergoing business training and obtaining employment permits, there should be two or more persons in the inspection. During the inspection process, we must strictly guarantee the unification of standards and methods for packaging products. The original records of the inspection shall be missing, missing pages, calculations of each test step, all links, and the numbers, forms, symbols, texts, units of measure, and drawings related to the inspection shall be correct and shall be recorded in a timely manner according to the procedures. Objectively reflect the entire process of testing. In the end, the relevant person signing to ensure that the test results are fair and effective.
V. Confirmation of inspection data The practice proves that the measuring equipment of a packaging product quality supervision and inspection agency is, no matter how advanced and precise, how good and how accurate the measurement repeatability is. If it cannot be traced back to the source, it cannot be accurately measured. Unable to be unified, measurement data lack comparability. Therefore, after the equipment must pass calibration or other traceability methods to determine the quantity, the inspection is valid. The test or calculation data must be processed correctly according to regulations in order to meet the inspection requirements. After the test data is determined, the correct calculation formula is applied and the exact test results are finally obtained according to the rules of “Data Revisedâ€, making the test data more scientific, reasonable and accurate, and further improving its practicality and effectiveness.
VI. Judgment and final results should be improved After the standard packaging product quality supervision and inspection work is completed, the final test conclusions and judgments are required. The conclusions must be: uniform format, standardization, complete content, accurate data determination, and tidy pictures. The word is scientifically rigorous and the text is concise and concise. Special attention should be paid to the conclusion that the conclusion must be consistent with the standard of inspection. It is necessary to establish a quality system that can realize unified management of equipment and testing data, and package organization, procedures and processes. It is necessary to improve the numerical rounding system, select the correct inspection standard, determine the inspection items, select the instrument to be used, operate correctly according to the operating procedures, calculate and modify the data, and record it truthfully. The signatures of inspectors must be calibrated one by one to ensure that the data is accurate and reliable, and that reliable data are provided for the effective verification of the data. Only in this way can technical guarantees be provided for the shipment of packaging products, users, courts and other administrative law enforcement agencies.
In short, the effectiveness of inspection data for the quality supervision and inspection organization of packaging products is directly related to the quality of inspection results. Enhancing the validity of inspection data is a crucial step in strengthening the construction of packaging product quality supervision and inspection institutions. It is the only way to establish a scientific, fair, and authoritative law enforcement agency. It is also a socialist market economy and after China's accession to the WTO, the packaging products Quality supervision and inspection agencies put forward the objective requirements. (Wang Jianying) (From "China Packaging News")
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