QuellTech Practical Solutions: Geometrical Quality Check

Stefan Ringwald
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Case Study: Weld Beads on Metal Components (Battery Contacts)

Application Report

Initial Situation

Client is battery manufacturer and decides to add measuring equipment for weld beads inspection to his production line. If weld beads are not constructed uniformly and symmetric then it results in increased current density over battery contacts and eventually overheating and severe harms to the system. To prevent this, donut shaped “Welding Beads” of battery contacts have to be checked with respect to several parameters: volume, center, radius, width, height parameters as well as the absence of defects in circular regions have to be verified.

Particular Challenges

Manual inspection is not reliable enough, because of variations in human perception. Increase in False Positives and False Negatives cause increased scrap numbers and higher rejection rates lead to problems in later production stages.

QuellTech Solution

QuellTech Q6 Laser Line Scanner is guided via a linear x-y axis over the weld beads acquiring a 3 D point cloud of these objects. A measurement software will compare these 3 D images against a tolerance channel and will determine pass or fail status. Failed parts are sorted out automatically.

Benefits for the Client:

The QuellTech Weld bead inspection system enables high process robustness, less false errors and 100% inline inspection. QuellTech Laser Scanners reduce the rejection rate, improve productivity and quality of the manufacturing line, and also minimizes labor costs required for inspection.

QuellTech UG

Leonrodstrasse 56

80636 München

Contact: Stefan Ringwald

Telefon: +49 89 12472375

Email: sringwald@quelltech.de

Web: http://www.quelltech.de/

QuellTech Case Study Weld Beads on Metal Components
case study - Schweissraupen

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QuellTech Q6 Laser Scanner

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