7
ADJUSTMENTS
7-2
004AZ011B
7.1.2
PROCEDURE FOR CHECKING THE CAPTURE AND EJECTION MECHANISM
The purpose of this procedure is to verify that the vision system properly ejects all the defective products and none
of the good quality ones.
Proceed as directed below:
- prepare 20 pieces that are grossly defective and 20 pieces that are surely good quality;
- allow the vision system to inspect the products using a configuration able to tell good quality products apart from
defective ones without any doubts.
The defective products can be marked with a permanent marker and a configuration that employs one inspection
region (in the area where the products is marked) using large margins of acceptability for that region. In any case,
any configuration capable of distinguishing good products from defective ones with 100% certainty can be used.
- Stop the line placed before the vision system and remove any extraneous products from the conveyor belt.
- Use two empty containers, one for defective products and the other for good quality ones, to collect the products
being inspected on the conveyor.
- Mix together the defective products and good quality ones and feed them to the vision system. The normal
operating speed and spacing between the pieces should be maintained.
- The capture and ejection mechanisms work properly if all the good quality products are accepted and all the
defective ones are rejected by the vision system.
It is advisable to repeat this procedure a few times to be 100% certain.
On the other hand, if some defective products are accepted or a few good quality ones rejected, the capture and
ejection mechanisms are not working properly. The way in which the products behave also has to be observed to
make sure ejection is efficient. The trouble has to be located and remedied. Once this has been done, repeat the
procedure until positive results are obtained.
Note: images are given for reference only and may change in relation to the type of vision system installed.
FIGURE 7.1.1.1/B - ADJUSTING THE FRONT-BACK IMAGE SHOOTING STATION
Summary of Contents for CVS Series
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