| 摘要 |
PURPOSE: A progressive mold is provided to smoothly produce the product by sweeping a scrap which is generated when the product is blanked by the lubricating oil. CONSTITUTION: The progressive mold includes a upper holder(10), backing plate(12), upper retainer(14), and oil pipe(16). The progressive mold includes a movable stripper(22). The backing plate is equipped in the one side of the upper holder. In the backing plate, the transfer flow channel(12') is formed and make the lubricating oil flow in. The upper retainer is equipped in the one side of the backing plate. The pipe pocket(14') is penetrated and formed to communicate with the transfer flow channel in the upper retainer. The punch for forming the base material is installed in the upper retainer. The oil pipe is installed on the pipe pocket. The oil ball(16a) is penetrated and formed. The driving stripper is installed to be moved relatively for the upper holder. In the driving stripper, the exhaust flow path(24) is penetrated and formed to make the lubricating oil falls to the base material.
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