Challenge
Customer must confirm the presence of plates for a batter and
confirm the proper number of plates. If the number of plates is not
correct, the battery will not hold a proper charge and must be
reworked at substantial cost per part. As with many automotive
suppliers, inspection of parts to guarantee quality is important to
prevent fines or return of entire production lots at the supplier's
expense.
Solution
In this case, Omron's F160 vision sensor
uses edge pitch detection with special laser lighting to determine
if the number of plates area correct.
How it Works
Using a line laser generator to generate a clear line across the
plates of the battery, the edge pitch detection tool is then used to
detect the edge of each plate. With the use of a laser line
generator, clean definition and contrast of each battery plate can
be easily detected when using a laser light source.
The F160's edge pitch tool operates the
same way as a standard but multiple edge detection tools and uses
math calculations to determine the average distance between the
edges and to count to total number of edges. |