The most common label quality inspection system
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When discussing online testing, Thome said that camera systems are standard, "they are everywhere, on 70% narrow-format presses. 100% of them are less than 5%. They are more common on winders," according to Thome.
Woolley believes that the basic format observer is the most commonly used in the form of inspection. “Operators use manual operation of the type system to adjust and adjust. It is installed on the press.” He added that other types have become more common anyway.
According to Shumaker, 100% inspection systems are commonly used in narrow-width industries. He explained that “many people only use the typical observer with stroboscopic light. The operator has to sit there and watch the controller to observe the defects. This is not only ineffective but also the operator can make mistakes. Automatic detection is Remind the operator when a problem occurs, the operator can quickly detect the defect and determine if it is a quality problem."
Doerr sees a lot of systems mixed up. "The detection system has been widely used in a narrow industry for a long time, including basic entry level systems; mid-level semi-automatic systems, and high-end inspection systems." Recently, TruColor turned its investment direction to high-end or low-end inspection. Spectrum. Narrow-format printers appear to fall into two categories—the entry-level basic sample system or the high-end 100% inspection system. ”
Spendlow believes that cost has an impact on printers' choice of testing. In my experience, when the cheapest testing equipment can meet the needs, the most commonly used type of testing equipment is the cheapest. In most cases, the test is performed by an experienced operator on the inspection rewinder, with the help of a strobe light device, to visually inspect the print to identify missing labels, marks and print defects.