Non-planar orbital welder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 18, 2002
Issued Date -
N/A
app pub date -
Dec 4, 2000
filing date -
Aug 5, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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. As the weld tip rotates about the axis, 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 further includes a carrier that is slidably attached to the rotor, and the weld tip is fixed to the carrier. As the rotor rotates about the axis, 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 as the rotor rotates about the axis.
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