Seventh aiCAMstir Meeting, 26 January 2023: Difference between revisions
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To be welded from one side using a mechanical interlock or from both sides simultaneously, | To be welded from one side using a mechanical interlock or from both sides simultaneously, | ||
Run-on and run-off tabs are possible]] | Run-on and run-off tabs are possible]] | ||
[[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 11.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|]] | [[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 11.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|Gantry, CNC-Cell or Robot? Welding speed > 3m/min (up to 5 m/min) depends on rigidity and pin length. | ||
[[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 12.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|]] | Bespoke FSW machine or converted milling machine? | ||
FSW and CNC milling in the same fixture? | |||
High performance gantry machines for EV battery trays]] | |||
[[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 12.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|FSW Tools: Wear Mechanisms, | |||
Adhesion (tribological reactions): pits and notches (scoring), | |||
Diffusion (embrittlement and fatigue): shearing off the pin. | |||
Recommendations, | |||
Avoid notch between pin and shoulder, | |||
Use Triflat instead of Triflute, | |||
Reduce the rotation speed, | |||
Increase pin diameter, | |||
Keep shoulder diameter as small as possible, | |||
Use harder materials, | |||
Use coatings | |||
]] | |||
[[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 13.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|]] | [[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 13.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|]] | ||
[[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 14.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|]] | [[File:Stephan Kallee, Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers 14.JPG|thumb|left|upright=3.2|alt=Stephan Kallee: Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers|]] |
Revision as of 11:05, 27 January 2023
The Seventh aiCAMstir Meeting was held online on 26 January 2023 with 32 attendees.
Agenda
The agenda of the 90 min long on-line meeting was as follows:
- Welcome and introduction (2-3 sentences each)
- Development of a new stitch friction stir welding gun and mechanical behavior of intersecting stitch welded AA 6016-T4 sheets. Dominik Walz, MPA Stuttgart, Germany (20 min + 5 min questions)
- Effect of FSW tool geometry on the joint quality of AA2024-T3/AA7075T6 joints in butt configuration. Reza Beygi, INEGI, Porto, Portugal (20 min + 5 min questions)
- Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers. Stephan Kallee, AluStir, Germany (20 min + 5 min questions)
- Collaborative projects, organisational comments and date of next meeting (25 May 2023). Mike Lewis (FTS Engineering Answers Ltd)
Presentations
Development of a new stitch friction stir welding gun and mechanical behavior of intersecting stitch welded AA 6016-T4 sheets. Dominik Walz, MPA Stuttgart, Germany
Effect of FSW tool geometry on the joint quality of AA2024-T3/AA7075T6 joints in butt configuration. Reza Beygi, INEGI, Porto, Portugal
Machine investment cost and tool wear of friction stir welding of battery trays of compact crossovers. Stephan Kallee, AluStir, Germany
A video recording of this online meeting is available via the following link:
Recording of the Seventh aiCAMstir Meeting (Total: 1:45 h, the first presentation starts at 0:10:16 h) |
Literature
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Next meeting
We want to invite you to attend the Eight online aiCAMstir Meeting on using artificial intelligence in Computer Aided Manufacture of friction stir welds. The meeting will be held on Thursday, 25 May 2023, 16:00 - 17:30 (London), as shown on upcoming events.
Please contact stephan.kallee@alustir.com, if you want to attend the meeting and/or if you want to participate in the project.