from your vision
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images and data from vision inspection systems
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Because holes result in leaks, each
container must be checked to ensure it
will function as intended, and properly
store and preserve its contents. HLM
relied on the Swiss subsidiary of their
partner Stemmer Imaging (Puchheim,
for the vision system development.
After a feasibility study, Stemmer Imaging recommended that HLM upgrade
from intelligent-camera-based vision systems used on earlier equipment to embedded PC-based systems for the next generation of machinery. One such machine in
the HLM Competence Centre produces
pet food containers at a rate of 480 parts
Aluminum raw material is fed from
rolls into the machine and cut into strips
before entering the press. Four containers, formed by each stroke of the press,
are blown out and transported in-line to
the quality control modules by means of
four parallel transport belts and mechanical tracks.
In each quality control module,
mounted underneath each transport
track, a Genie Nano camera from Teledyne DALSA (Waterloo, ON, Canada;
www.teledynedalsa.com) equipped with
suitable optics from Lensation GmbH
(Karlsruhe, Germany; www.lensation.
de), captures an image of each container
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The LED illumination and camera on
each track are both triggered by the
breaking of a light barrier.