Automatic welding apparatus

Metal fusion bonding – With means to handle work or product – Including means to rotate cylindrical work

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228 7, 228 25, 21912511, B23K 3704

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046607536

ABSTRACT:
An automatic welding apparatus for forming a circular bead along a circumference of a first workpiece at its junction with a second workpiece in order to weld the former to the latter, comprising a turntable, clamp members for clamping the second workpiece to the turntable, a torch holder for holding a welding torch in an adjusted position, a torch positioner which is engageable with the first workpiece, for maintaining a constant relative positional relationship between the welding torch and the first workpiece, a positioner guide mechanism for supporting and guiding the torch positioner to a desired position in a plane extending in parallel relationship with respect to a surface plane of the turntable, and the torch holder being restricted from rotating.

REFERENCES:
patent: 3439856 (1969-04-01), Phillips
patent: 4014495 (1977-03-01), Oda
patent: 4471201 (1984-09-01), Hardy
Patent Abstracts of Japan, vol., 3, No. 46, Apr. 18, 1979 & JP-A-54-20934.
Welding Equipment Dept.; Matsushita Electric Industry Co., Ltd.; Osaka, Japan, Oct. 1, 1982.

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