Label quality inspection (5) When to use inspection equipment
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When discussing testing equipment, people will naturally think of certain industries. The most important one is the pharmaceutical industry, because the printed content of the drug must be precise to ensure the safety of the information provided to the patient.
An example of a test device designed to detect labels in the pharmaceutical industry comes from the AVT system on the Rotoflex winder. This system uses a reference-based detection method for quality control. The company calls it the "learning" process, which stores a known good image and compares it to each successive image, ignoring color deviations, registrations, and defect sizes. Rotoflex offers two models: single overdetection (SPI) and dual overdetection (DPI). Both types of models are used in industries that are sensitive to anti-counterfeiting, including the pharmaceutical industry.
According to Woolley, “Another application is anti-counterfeiting. Every product is serial and used for anti-counterfeiting and product identification. It is important to identify multiple numbers on each product. All numbers must be correct. of."
Spendlow said that from the label manufacturer's standpoint, the most important application is to ensure the quality of the label and the repeated application of automatic data when their customers demand a high level of quality and precision.
Thome agrees that the pharmaceutical industry is not the only industry that is commonly used for testing. For example, he said that there are other areas such as high-end cosmetics, food labels and wine labels.
Doerr saw the value of using inspection equipment. “We believe that every printer needs print inspection in almost all applications. Through inspection systems, labor costs, machine time and materials (substrates, inks, etc.) can be reduced. Basically, there is a detection system, Both problems and defects can be detected early and corrected during the printing process. This is contrary to the fact that defects can only be discarded when they are discovered, allowing quality to be guaranteed at the time of manufacture."