BANNER's application of label presence detection in the packaging industry
Against the backdrop of rapid development in the packaging industry, labeling machines—essential equipment on production lines—directly influence overall productivity and product quality through their level of automation and detection accuracy.
The manufacturer of a certain labeling machine production line faces a common yet challenging task in daily operations: accurately detecting the presence or absence of transparent bottles before labeling, in order to trigger the subsequent actions of label tearing and application.
Due to the diverse materials and shapes of bottles to be inspected—ranging from conventional transparent bottles of varying thicknesses to certain uniquely shaped ones—traditional photoelectric sensors struggle to achieve stable and reliable detection, often being easily affected by light transmission, bottle geometry, or ambient lighting. This significantly impacts the continuous operation of equipment as well as the accuracy of label application.
In response to the customer's stringent requirements regarding the detection of transparency in bottles, BANNER Company Provides a solution centered around the QS18EP6XLPC model sensor.
This sensor employs coaxial polarized light technology, effectively overcoming the interference caused by refraction and transmission of light through transparent objects, enabling highly repeatable and accurate detection even for transparent containers of varying thicknesses—or even non-standard shapes.
In practical applications, the QS18EP6XLPC sensor is installed at the bottle-infeed point of the conveyor line, positioned 50 mm away from the workpiece. Thanks to its exceptional resistance to ambient light and consistently stable output performance, it ensures that a trigger signal is sent only when the bottle is precisely in place, thereby enabling accurate control of the labeling process.
The successful implementation of this solution not only significantly enhanced the stability and continuity of the labeling process, completely eliminating production disruptions and material waste caused by missed inspections or misjudgments—but also underscored the exceptional reliability of Banner products in even the most complex applications. Thanks to the QS18EP6XLPC sensor’s superior coaxial polarized light technology, customers can effortlessly tackle detection challenges posed by a wide range of transparent and uniquely shaped bottles. Meanwhile, the sensor’s robust IP67 protection rating ensures long-term, stable performance even in harsh industrial environments, dramatically reducing equipment maintenance requirements.
Bonnar has delivered value that exceeds expectations to its customers through rapid technical responses and professional service support, enabling stable positioning and automated operation of labeling machines—ultimately helping them enhance the competitiveness of their end products. Additionally, Bonnar has set a cost-effective and highly reliable benchmark for testing, offering a valuable example for manufacturers of labeling machines across the industry.
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