Existing smart sensor does not have the tools to determine if label placement is out of spec. Quality Department requests ability to make sure that the Lot/Date code is present.
Line was moved from another facility to a local one and no documentation could be found. The existing controls system was reverse engineered, and the vision camera upgraded to a Cognex InSight that mimicked the old system. Retrofit required removal of some of the existing material handling components, which were removed, modified, and installed over a long weekend. System was successfully brought online for the start of production.
After the nail polish bottle has been capped, a consumer label is applied to the top of the cap that indicates the color name and product number. Space constraints prevents an inspection camera to be placed after the label applicator, so the Vision System needs to be able to compensate for 360 orientation of the label.
With some blob morphology techniques the orientation of the text can be determined. Afterwards an OCR tool was applied to read the text twice, oriented 180 degrees apart. If the text found did not match the HMI, the product was rejected.