Importance

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Abstract

A chamfering apparatus for opposing end faces of a tubular member. The apparatus includes an abutment member capable of advancing toward or being retracted from a line of extension of the longitudinal axis of the tubular material so as to collide with the end face when advanced, a conveyor for transporting the tubular member toward the abutment member, a chuck provided between the abutment member and conveyor for releasably holding the tubular member on the conveyor, and a cutting tool displaceable relative to the end face of the tubular member received by the abutment member and held by the chuck. The cutting tool is capable of rotating around the longitudinal axis of the tubular member. The cutting tool is equipped with a cutting member adapted to taper cut the outer peripheral edge of the end face as well as a drill having a first cutting edge adapted to taper cut the inner peripheral edge of the end face and a second cutting edge adapted to cut the end face perpendicularly to the longitudinal axis of the tubular member. The chamfering apparatus can be applied to tubular members of different lengths as the end face of each tubular member can be positioned precisely owing to the provision of the abutment member and conveyor and only two cutting tools are required to chamfer three locations on each end face of the tubular member.

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First Claim