When discussing testing equipment, people will naturally think of certain industries. The most important one is the pharmaceutical industry, because the printed content of medicines must be accurate to ensure the safety of information provided to patients.
An example of testing equipment specifically designed for testing labels in the pharmaceutical industry comes from the AVT system on the Rotoflex rewinder. This system uses a reference-based detection method for quality control. The company calls this a "learning" process. The system stores a known good image, then compares it with each successive image, ignoring color deviations, registration, and defect size. Rotoflex offers two models: single pass inspection (SPI) and double pass inspection (DPI). Both models are used in industries sensitive to anti-counterfeiting, including the pharmaceutical industry.
According to Woolley, "Another application is anti-counterfeiting printing. Each product is serial and is used for anti-counterfeiting and product identification. It is important to identify multiple numbers on each product. It must be ensured that all numbers are correct of."
From the standpoint of label manufacturers, Spendlow said that the most important application is the ability to ensure label quality and automatic data repetition when their customers demand a high level of quality and accuracy.
Thome agrees that the pharmaceutical industry is not the only industry commonly tested. For example, he said that commonly used high-end cosmetics, food labels and wine labels and other fields.
Doerr saw the value of using inspection equipment. "We believe that every printer needs printing inspection in almost all fields of application. Through inspection systems, labor costs, machine time and materials (substrate, ink, etc.) can be reduced. Basically, having a inspection system Both problems and defects can be detected at an early stage and corrected during the printing process. This is contrary to the fact that when defects are found, they can only be discarded, allowing quality assurance during manufacturing. "
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