| 摘要 |
PURPOSE: A spring device for a press mold is provided to reduce contact noise of an upper mold and a lower mold, and improve working efficiency. CONSTITUTION: In a press mold composed of an upper mold(120) and a lower mold(122), upper members(124) are installed in the upper mold, and perform plastic working. Lower members(126) are installed in the lower mold symmetrically to the upper members. Urethane springs(100) are installed between the upper members, and hold a workpiece.
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