| 摘要 |
Disclosed is a mold for forming beads for a tube. The mold for forming beads for a tube according to an embodiment of the present invention includes a punch die installed on the center of a lower base of press equipment, having a loading hole with one open side on the inside thereof to make a circular tube material to be formed be inserted, and having a punch hole corresponding to the outer circumference of the circular tube material on the upper side thereof; an inner core formed into a circular block, loaded to the loading hole of the punch die with the circular tube material to be formed, while being inserted to the circular tube material to be formed, and having a plurality of hollow relief bead-processed surfaces on the outer circumference; and a punch installed on the upper slider of the press equipment by corresponding to the punch hole. |
