PERFORMING MARKING AND READING WITH ONE DEVICE
KEYENCE manufactures both laser markers and code readers, focusing their attention on providing systems for tracking and traceability. The MD-X Series laser marker has a built in 2D code reader and verifier to accurately mark and check 2D codes without using a separate device.
*The optional 2D code reader add-in is required.
Images are captured by the built-in camera before and after marking in order to verify marking. The contrast differences between the two images are compared and thresholds can be set in order to automate marking confirmation. This, in turn, prevents mis-marking.
The built-in camera can be used to confirm marking position and results because of the coaxial alignment with the galvos that steer the laser beam during operation. This allows for easy alignment at setup and position checks during production to help eliminate miss marks and the output of bad parts.