| 摘要 |
PURPOSE: A secondary forging mold device for a main shaft is provided to enable to replace a plurality of forging mold devices into a large forging mold device, thereby reducing manufacturing costs and improving portability. CONSTITUTION: A secondary forging mold device(100) for a main shaft comprises a plurality of pillars(110), an outer flange frame(130), an outer ring frame(120), a guide frame(115), an inner flange mold(150), an inner ring mold(140), and an inner guide mold(160). The outer flange frame is fixed to the top of the pillar so that an opened portion is formed in the central portion of the outer flange frame. The outer ring frame is joined to the top of the outer flange frame so that an opened portion is formed in the central portion of the outer ring frame. The guide frame is fixed to the inside of the pillar under the outer flange frame. |
