DIE APPARATUS FOR DIE CASTING

PURPOSE:To facilitate release of a product from dies and to improve the production efficiency by making it possible to execute projecting/pulling-out of core pins into/from a cavity formed in mating faces of a movable die and a fixed die. CONSTITUTION:The movable die 2 is clamped with the fixed die...

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Bibliographic Details
Main Author YABE MITSUHIRO
Format Patent
LanguageEnglish
Published 09.05.1990
Subjects
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Summary:PURPOSE:To facilitate release of a product from dies and to improve the production efficiency by making it possible to execute projecting/pulling-out of core pins into/from a cavity formed in mating faces of a movable die and a fixed die. CONSTITUTION:The movable die 2 is clamped with the fixed die 1 and successively, by operating a cylinder 14, the core pins 8 are projected into the cavity 3 until they abut on the movable die 2. Successively, molten metal 6 is injected into the cavity 3. After passing the prescribed time, by operating the cylinder 14, the core pins 8 are pulled out from the cavity 3, and by shifting the movable die 2, the dies are opened. Then, the product 9 is released from the fixed die 1. By this method, the core pins can be pulled out from the product before releasing the product from the dies, and the release of the product from the dies is facilitated and the production efficiency can be improved.
Bibliography:Application Number: JP19880272802