Die casting arrangements

Details Die casting arrangements Die casting arrangements

1989-09-07

1990-08-21

Lin, Kuang Y.

Metal founding

With coating means

164312, B22D 1710, B22C 300

Patent

active

049497758

ABSTRACT:
A die-casting arrangement which prevents a lubricant from becoming mixed into a die cast article which might cause it to bulge when later heated. The lubricating agent is sprayed over a high-temperature portion of a sprue interconnecting a mold cavity and an injection sleeve in order to partly carbonize the lubricant. The carbonized lubricating agent even if mixed into a die cast article will not expand even when the article is heated thereby preventing bulging of the article.

REFERENCES:
patent: 4562875 (1986-01-01), Ogoshi et al.

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