| 摘要 |
PURPOSE: A polishing device for a mold is provided to reduce metal removal time by rotating a frame having an elastic member at the bottom of a support bar elevated in a mold. CONSTITUTION: A polishing device (10) for a mold comprises a support bar (100), a frame (300), an elastic member, and a drive motor (200). The support bar is elevated by an elevating unit and is inserted into a mold. The frame is installed on the bottom of the support bar. The elastic member is formed on the end of the frame and touches the inner surface of the mold. The drive motor is formed between the support bar and the frame and rotates the frame. |
