Reibrührpunktschweissverfahren und Reibrührpunktschweissvorrichtung

Details

Veröffentlichungs-Nr.

EP4768166

Anmeldetag

2. Oktober 2024

Veröffentlichung

10. April 2025

Rechtsraum

EP

IPC

B23K20/12

Abstract

A friction stir spot welding device (M) performs friction stir welding of an upper plate (31) and a lower plate (32). In a state where the pin (11) is retracted with respect to the upper plate front surface (31A), the controller (C) press-fits the shoulder (12) from the upper plate front surface (31A) to a predetermined reference position set with reference to the lower plate front surface (32A) at a first pressure, and then press-fits the shoulder (12) from the reference position to a press-fitting position deeper than the lower plate front surface (32A) at a second pressure. In a case where the hardness of the upper plate (31) is lower than the hardness of the lower plate (32), the first pressure is set to be lower than the second pressure, and in a case where the hardness of the upper plate (31) is higher than the hardness of the lower plate (32), the first pressure is set to be higher than the second pressure.

Anmelder

Firma

Nissan Motor Co. Ltd

Land

🇯🇵 Japan

Fachgebiete