Friction stir welding attachment, friction stir welding head, and friction stir welding device
US12325084B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2021 |
| Grant date | Jun 10, 2025 |
| Priority date | — |
| Expiry date | Jan 15, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q5/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A friction stir welding attachment includes a body configured to be attached to a spindle supported by a spindle head of a machine tool, a metalworking shaft rotatably supported by the body wherein a welding tool is attachable to the metalworking shaft, a plurality of air motors provided in the body, and a transmission mechanism configured to transmit a rotation of each of the plurality of air motors to the metalworking shaft. A fixing portion is provided to supply external air to the plurality of air motors. A drive air distributor is provided to distribute drive air to the air motors. A rotation sensor for detecting a rotation state is provided to the metalworking shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.