Friction stir spot welding device and friction stir spot welding method
US9095926B2 · kind B2 · utility
9Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Mar 16, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K20/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tool driving section of a friction stir spot welding device is configured to advance and retract each of a pin member and a shoulder member. A tool driving control section is configured to control the tool driving section such that an absolute value of a tool average position Tx defined by a following equation:Ap·Pp+As·Ps=Tx,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.