| 摘要 |
An apparatus for internally removing a raised weld bead of a longitudinal seam welded tube having an elongate mandrel support body. A cutting tool is mounted on the support body adjacent one of its ends and projects outwardly from one surface on the body. A pivot roll and a stabilizing roll are mounted in the support body in spaced relation in the elongate direction of the body and project outwardly from the same surface as the cutting tool. A resiliently mounted carriage roll disposed between the pivot roll and the stabilizing roll which projects outwardly from the surface of the support body opposite the one surface. A tilting roll remotely disposed from the cutting tool and moveable in either vertical direction by cams to effect pivotal movement of the support body about the pivot roll, and advance and retract the cutting tool with respect to the internal weld bead.
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