ipd technical conference february 19 th 2008 automotive chain inspection
TRANSCRIPT
![Page 1: IPD Technical Conference February 19 th 2008 Automotive Chain Inspection](https://reader030.vdocuments.net/reader030/viewer/2022032709/56649ecf5503460f94bdd6e9/html5/thumbnails/1.jpg)
IPD Technical ConferenceFebruary 19th 2008
Automotive Chain Inspection
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Application
Provide verification that all chain links are present before guide installation.
After installation of guide, provide verification of guide presence and color.
Provide verification that rivet has been struck.
Various thickness chains need to be inspected on the same line
Various lengths of chain need to be inspected on the same line
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Requirements
Link inspection
Distance from camera face to product cannot exceed 4”
Guide Presence/Color
Distance from camera face to product cannot exceed 6”
Colored guide appears every “x” number of inspections depending on chain produced
Rivet inspection
Distance from camera face to product cannot exceed 6”
Every “x” number of inspections there is an intentionally missed rivet for the hook up joint of the chain
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Requirements
All inspections must utilize front lighting
All inspections can utilize the same trigger as the chain is being indexed
Vision system must be able to communicate the result of each inspection independently using digital I/O
Vision system must be able to provide an additional output to be used as a heartbeat to verify that an image has been acquired and that the image has been processed
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Missing Link LightingArea Array vs. DOAL
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Missing Link
Hardware TM2 camera
50mm DOAL
9mm lens
Software Count tool
Reject if we see any large areas of dark
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Rivet InspectionGood rivet
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Rivet InspectionMissed Rivet
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Rivet Inspection
Hardware TM2 camera
25mm lens
70mm ring light
Software Four intensity tools
Reject if any tools average intensity is darker than it should be
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Guide Presence/ColorColored Guide
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Guide Presence/ColorNon-colored guide
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Guide Presence/Color
Hardware TM2 camera
25mm lens
70mm ring light
Software Arc Tool to verify
guide presence
Intensity tool to determine if guide is colored or not
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Communication
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Heartbeat
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Heartbeat
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Heartbeat
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Heartbeat
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Automotive Chain Inspection
We quoted a VA40E-03-C53-0 with all necessary lighting & lenses.
The local Cognex/DVT distributor was also given an opportunity to quote against us.
The local Cognex/DVT distributor told the customer that they could not compete against us on a three camera system
We won the job!
It was determined that the customer also needed a single camera system located downstream of the VA40E that they purchased.
The customer purchased a VA15 to do the job without looking at anyone else.
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Single Camera Inspection
After chain is assembled, the chain is placed under tension and driven with two sprockets.
The chain is inspected to be sure that all of the components have been assembled onto the chain.
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Single Camera Inspection
Hardware TM2 camera
16mm lens
50mmx50mm backlight
Software Count tool
Reject if we do not have the right number of light areas in either one of the ROIs
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IPD Technical ConferenceFebruary 19th 2008
Any Questions?