Color Mark and Registration Detection

Registration marks identify packaging material and are used for position control and to coordinate the separation and cutting of webs of packaging material. The webs are processed at high speeds and product changeovers can be frequent. The size and location of a registration mark as well as the color, sheen and translucence of the material can significantly affect mark detection. Registration mark detection solutions from Banner Engineering are designed to be easy to deploy and easy to use, simplifying product changeover. Known as registration mark, color mark or contrast sensors, these highly sensitive solutions are capable of detecting slight differences in contrast on packaging material, including shiny and transparent material, at very high speeds.

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  1. Detecting Various Registration Marks

    Hamer, LLC is a Minnesota-based manufacturer of automated packaging equipment for a wide variety of applications and world-wide customers. From pet food to pellet fuels, Hamer machinery packages products in a variety of weights and sizes at speeds up to 60 bags per minute. A vital component of Hamer’s equipment is registration mark sensing—the ability to detect marks on packaging as it passes at high speeds. When a mark is detected, the equipment cuts the packaging at the designated location, eliminating waste and ensuring each bag is consistent.

  2. High-Speed Registration Mark Detection

    Banner’s Q3X versatile, rugged laser contrast sensor is ideal for detecting registration marks. With a range up to 300 mm, the Q3X has a tight laser spot able to detect a small white registration mark reliably. When the Q3X detects the white registration mark, the intensity readout increases and a discrete output is triggered, indicating the white registration mark is present and it is the correct package going down the line.

  3. Detecting Registration Marks on Labels

    Banner’s R58 high-speed, low-contrast expert registration sensor detects subtle registration marks on the labels as they pass at high speed—ensuring the label is cut at precisely the right moment for correct label placement. To accommodate frequent changeovers, the sensor is designed with LED color options—which automatically change depending which color best optimizes contrast.

  4. Splice Detection in a Paper Roll

    Banner’s R58 Expert registration mark high color resolution sensor is a high-performing sensor with an ultra fast 10 kHz switching frequency that quickly detects splices and other defects that are otherwise hard to detect. The high sensitivity of the R58 Expert detects the inconspicuous splice in a roll of paper to ensure the printer skips over the splice during the press process.

  5. Toothpaste Registration Mark Verification

    As empty tubes go down the manufacturing line, a visible light sensor can verify a toothpaste tube’s registration mark before being filled and sealed. Banner’s high-speed R58 visible light color contrast sensor is an extremely powerful sensor for registration mark applications and can easily read marks on high-gloss and low-contrast surfaces, detecting contrasts as low as two percent over a wide range of colors.

  6. Tube Positioning Using a Registration Mark

    Banner’s R58 Expert registration mark color contrast sensor is a high-performing sensor with an ultra fast 10 kHz switching frequency that quickly detects registration marks, which is ideal for tube positioning applications. Even with a high-gloss surface or a low-contrast situation, the R58 Expert can easily detect the registration mark on a filled tube to determine how it should be oriented.