Vision
Systems are widely used in factory automation to ensure product
quality, increase production efficiency and reduce
manufacturing costs. In basic terms, vision systems provide the eyes
(sensors) and the brains (processors) to identify parts, guide
material handlers and inspect products or assemblies at every stage
of the manufacturing process.
Vision
systems are available in different configurations with more or less
capabilities to suit the application needs of all manufacturers.
Vision
systems are a primary consideration for any manufacturer who is
looking to improve quality or automate production. Vision systems can
be thought of as computers with eyes that can identify, inspect and
communicate critical information to eliminate costly errors, improve
productivity and enhance customer satisfaction through the consistent
delivery of quality products. Primarily used for online inspection,
vision systems can perform complex or mundane repetitive tasks at
high speed with high accuracy and high consistency. Errors or
deviations in the manufacturing process are immediately detected and
relayed, allowing control modifications to be made on the fly to
reduce scrap and minimize expensive downtime. Vision systems are also
deployed for non-inspection tasks, such as guiding robots to pick
parts, place components, dispense liquids or weld seams.
Vision
systems come in all shapes and sizes to suit any application need,
but they all have the same core elements. Every vision system has one
or more sensors that capture pictures for analysis and all include
inspection software and a processing element that executes a
user-defined program, or recipe, defining the inspection.
Additionally, all vision systems will provide some way of
communicating results to complementary equipment for control or
operator monitoring. That said, it is important to know that there
are significant and important differences between vision systems that
make one more suitable over another for any given application. It is
equally important to know and appreciate the importance of choosing
the optimal lighting and optics for the job. Failure to do so may
result in unexpected false rejects, or even worse, false positives.
Below
are some the applications where Vision Automation can be used :
- Detecting Cracks and Scratches
- Corrects identification of faulty components
- Eliminates false rejections
- Check presence
- Position detection
- checking size (angle, length, thickness, height, inclination)
- Edge detection
- Item detection
- Position detection and check
- Shape/size recognition
- Reading text/codes (OCR/OCV)
- Automation provides, inventory, quality check, MIS, mimic of system, alarming and reporting
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