Importance

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Abstract

An apparatus for descaling an inner surface of a bending steel pipe includes a support pallet supporting a plurality of bending steel pipes of which first ends and second ends are opened, the plurality of bending steel pipes being disposed in one direction on the support pallet, a stopper part selectively stopping the first ends and the second ends of the plurality of bending steel pipes, a shot ball supply part supplying shot balls to inner portions of the plurality of bending steel pipes through one of the first ends or the second ends of the plurality of bending steel pipes, and a high frequency vibration part on which the support pallet is seated and which performs high frequency vibrations to shot-peen the inner portions of the plurality of bending steel pipes supported by the support pallet.

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First Claim