Importance

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Abstract

A weld bead cutter mechanism continuously planes weld beads projecting from the seam weld zone of an electric seamed steel pipe. The weld bead cutter mechanism fits into an assembly line for manufacturing electric seamed steel pipe right after equipment which continuously molds sheet metal and welds the seam. The weld bead is planed off from the steel pipe by a planing blade, bent by a guide shoe fixed to the planing blade holder, and automatically guided through a groove in a bead guide to a rotary bead chopper. The weld bead is then chopped into small pieces as the rotary bead chopper chops it against a stationary blade. The distance between the planing blade and the rotary bead chopper is minimized by the use of the guide shoe and bead guide, which ensures a stable weld bead movement. The weld bead cutter mechanism operates without requiring manual guidance of the weld bead, which greatly reduces the risk of a labor accident. The chopped pieces of weld bead fall into a disposal bucket or onto a waste discharge conveyor, so the invention does not need to be stopped periodically to remove accumulated weld bead. As a result, the invention and the electric seamed steel pipe assembly line can be run continuously for long periods of time.

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First Claim