B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 37/00 (2006.01) B23K 9/028 (2006.01)
Patent
CA 2657314
An orbital welder includes a weld tip, a rotational controller and a translational controller. The rotational controller causes the weld tip to rotate about an axis passing through the tube to be welded. The translational controller causes the weld tip to move longitudinally with respect to the axis, forming non-planar orbital welds. In one embodiment, the translational controller includes a rotor disposed to rotate about the axis. The translational controller includes a carrier that is slidably attached to the rotor. The weld tip is fixed to the carrier. The carrier moves longitudinally with respect to the axis such that the weld tip follows a non- planar orbital weld pattern. In a particular embodiment, a portion of the carrier is biased against a surface a cam block. The surface of the cam block is contoured to displace the carrier longitudinally with respect to the axis of rotation.
Gowling Lafleur Henderson Llp
Therma Corporation Inc.
LandOfFree
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