| 摘要 |
PURPOSE:To produce a disk without generating outer peripheral burr and the dusting caused by the abrasion dragging of a mold by adjusting the misalignment of a disk outer peripheral surface forming ring. CONSTITUTION:In a disk producing method using a disk producing mold equipped with a fixed mold 3, a movable mold 6, the stamper 9 held to one mold and the disk outer peripheral end surface forming ring 5 held to one mold, the center position of the gap fitting part 12 of the mold opposed to the mold holding the stamper 9 of the disk outer peripheral end surface forming ring 5 is aligned with the axis of the gap fitting part 12 of the mold opposed to the mold holding the stamper 9 to fix both molds to mold a disk. |
