Method for welding a bolt onto a workpiece and a...

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 37/04 (2006.01) B23K 9/20 (2006.01)

Patent

CA 2400721

The invention relates to a method for welding a bolt (19) onto a workpiece, using a bolt-welding device and to a bolt-welding device. A force is applied to the drive shaft (11) using a switchable unit (29), said force exerting a resistance against a displacement of the drive shaft (11). The drive shaft (11) is moved by an electromagnetic linear drive (5) acting in an axial direction. The unit (29) can prevent the movement of the drive shaft (11) and can fix the latter in position, in such a way that the linear drive (5) can be switched to a currentless state. In addition, the unit can dampen the movement of the drive shaft (11).

L'invention concerne un procédé de soudage d'un goujon (19) sur un pièce au moyen d'un dispositif de soudage de goujons, et un dispositif de soudage de goujons. Un dispositif raccordable (29) permet d'exercer une force sur l'axe d'entraînement (11), ladite force s'opposant à un déplacement de l'axe d'entraînement (11). L'axe d'entraînement (11) est mû au moyen d'un entraînement linéaire électromagnétique (5) à action axiale. La dispositif (29) permet d'empêcher le mouvement de l'axe d'entraînement (11) et de positionner fixement ledit axe d'entraînement de manière que l'entraînement linéaire (5) puisse être commuté sans courant. Ledit dispositif peut également servir à amortir le mouvement de l'axe d'entraînement (11).

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