A DIE-CASTING METHOD AND DEVICE

A die-casting method in which a lubricant is heated to a temperature higher than a temperature of mold cavity surfaces before molten metal is injected into the mold cavity. The lubricant is heated when the mold cavity is formed by bringing a movable mold (12) into contact with a stationary mold (8)....

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Bibliographic Details
Main Authors TAKEHISA, FUMITAKA, KONDOH, FUMIO, YOKOI, MITSUYOSHI
Format Patent
LanguageEnglish
Published 05.05.1993
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A die-casting method in which a lubricant is heated to a temperature higher than a temperature of mold cavity surfaces before molten metal is injected into the mold cavity. The lubricant is heated when the mold cavity is formed by bringing a movable mold (12) into contact with a stationary mold (8). The heated lubricant is introduced into the mold cavity and applied on the mold cavity surfaces, and the molten metal is then injected into the mold cavity. The molten metal is allowed to solidify in the mold cavity to become a solidified article. A die-casting device for carrying out this method is also provided according to the present invention.
Bibliography:Application Number: EP19880301612