PURPOSE: To work a multiplicity of holes by once installing a press formed article.

CONSTITUTION: This device has a cam member 12 which is fixed to the lower part of an upper auxiliary plate 11, a sprocket member 30 which is rotated at a prescribed angle by this cam member 12, a rotating member 34 which is fixed to the upper part of this sprocket member 30, supports the press formed article 1 and is rotated at a prescribed angle cooperatively with the sprocket member 30, a supporting means 40 which supports the rotating member 34 and the sprocket member 30 so as to rotate smoothly at a prescribed angle and a fixing means 50 which fixes the press formed article 1 supported at the rotating member 34 in such a manner that the press formed article 1 is rotated at a prescribed angle cooperatively with the rotating member 34.