Roller head for a resistance seam-welding machine

Details Roller head for a resistance seam-welding machine Roller head for a resistance seam-welding machine

B - Operations, Transporting

23

K

B23K 11/06 (2006.01) B23K 11/30 (2006.01) B23K 11/36 (2006.01)

Patent

CA 2062345

A pendulum roller head (210) for a resistance seam-welding machine is described, having a sliding contact current transmission device (224) between a stator (220b) and a rotor (223), which device is composed of an annular disc (226) which extends radially between rotor and stator, is fastened by its outer circumference to the stator, carries an axial sliding contact ring (232) on its inner clrcumference, and is flexibly designed in its bridging part (228) between the inner and outer circumferences. The sliding contact disc (226) is composed of a copper braid to which the axial sliding contact ring (232) is fastened. The sliding contact current transmission device (224) in the form of the disc (226) with a flexible bridging part (228) replaces the current transmission device in the form of fluid metal which has formerly been in use in pendulum roller heads.

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