new ways of looking at weld quality - svetskommissionen...new ways of looking at weld quality author...
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NEW WAYS OF LOOKING AT WELD QUALITY Experiences from tests of a scanning system
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Other exisiting solutions on the market
Manufacturing research, Anna Ericson Öberg
2017-09-04 2
Vitronichttps://www.vitronic.com/industrial-and-logistics-automation/applications/inspection-and-quality-checking/weld-seam-inspection.html
SERVO ROBOT products from http://www.directindustry.com/prod/servo-robot
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Weld transition radius
• Weld toe radius included in the Volvo standard 181-0004.
• Not available in the existing automated weld scanning equipments
Manufacturing research, Anna Ericson Öberg
2017-09-04 3
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Measuring weld transition radius
• Manual solutions exist
Manufacturing research, Anna Ericson Öberg
2017-09-04 4
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From PUSH to PULL
Manufacturing research, Anna Ericson Öberg
2017-09-04 5
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Weld transition radius variation
Manufacturing research, Anna Ericson Öberg
2017-09-04 6
Weld transition radius
The weld transition radius varies a lot even though the average value is
OK (0.6 mm). 1/3 does not fulfill the requirements.
Tolerance limit 0.3mm
Unstable,
large variation!
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Manufacturing research, Anna Ericson Öberg
2017-09-04 7
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Weld assist
Manufacturing research, Anna Ericson Öberg
2017-09-04 8
Need for automated solution
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Scanned data
Manufacturing research, Anna Ericson Öberg
2017-09-04 9
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Visualize the variation
Manufacturing research, Anna Ericson Öberg
2017-09-04 10
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Presentation of data
Manufacturing research, Anna Ericson Öberg
2017-09-04 11
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Main remaining challenges
• Identify the actual information need for each stakeholder
• Shift focus from reactive to proactive approach
• Internal organization
Soft issues rather than technical
Manufacturing research, Anna Ericson Öberg
2017-09-04 12