Welding apparatus and transformer therefor

Details Welding apparatus and transformer therefor Welding apparatus and transformer therefor

B - Operations, Transporting

23

K

B23K 9/06 (2006.01) B23K 9/007 (2006.01) B23K 11/24 (2006.01) B23K 11/31 (2006.01) H01F 27/28 (2006.01) H01F 41/12 (2006.01)

Patent

CA 2050581

2050581 9112107 PCTABS00006 A welding apparatus is disclosed to include an electrically insulating casing, first and second welding electrodes, and a welding transformer having a toroidal core, a multi-turn primary winding and a single-turn secondary winding. The core includes a grain-oriented silicon steel material coiled with an insulator. The primary winding has turns axially wound about the core. The secondary winding includes two conductive arm sections which are connected to the electrodes and a wound section including conductive wire cable which electrically connects the two arm sections. One of the arm sections can provide the frame member to support the transformer. The apparatus is suitable for spot or linear welding.

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