In adhesive application inspection applications, equipment engineers need to verify the width and location of sealant application along different planned paths. Achieving this type of inspection typically requires developing non-standard measuring tools and manually operating the inspection path. However, using Banner vision systems' adhesive application tools, the required trajectory can be designed according to the adhesive application process, making adhesive application inspection easier and faster.
Banner Vision's Bead Tool for Adhesive Application is a software tool that makes it easy to set the width of the adhesive strip and the detection ROI area for different trajectory lengths. It allows setting the basic color of the adhesive application, such as black or white, filtering minimum and maximum widths, and adjusting the grayscale threshold. Detection parameters include minimum adhesive strip width, maximum adhesive strip width, average adhesive strip width, and adhesive strip length. All of these can be set and evaluated.
The inspection results of the visual adhesive coating inspection tool are as follows:
Red indicates areas where the adhesive is applied too narrowly, green indicates areas where the adhesive is applied correctly, and blue indicates areas where the adhesive is applied too widely.
To analyze and determine the adhesive application location, a reference position can be pre-set using the measurement tool of a vision system, and then the distance from the adhesive strip to the set boundary position can be obtained, as shown in the figure below:
Glue application inspection on car doors:
Glue application inspection of automotive floor panels:
Meanwhile, Banner's continuously updated VE intelligent vision system also has adhesive detection capabilities.
The determination of the ROI and adhesive application location using the VE visual adhesive application tool is as follows:
Visual inspection of engine oil pan sealant:
Quality inspection of the adhesive coating at the bottom of the car window:
Application advantages:
The VE vision system can complete adhesive coating inspection in a single photograph.
Multiple adhesive application tools can be used for segmented testing;
The detected images can be saved to the host computer via an FTP server for future traceability.
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