Vacuum die casting process

Details Vacuum die casting process Vacuum die casting process

1992-04-27

1993-06-15

Batten, Jr., J. Reed

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 41, 164 61, 164 65, 164113, B22D 1714, B22D 1732

Patent

active

052194094

ABSTRACT:
The process calls for testing and monitoring the pressure levels in different parts of the die casting apparatus during a casting operation, including the die cavity itself and in positive and vacuum pressure lines. The process also includes process steps which cools a vacuum valve adjacent the die cavity and cleans the valve and lines during a casting operation. The process calls for aborting a casting operation at various time during the operation if certain measured parameters are not acceptable.

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patent: 4871010 (1989-10-01), Dannoura
patent: 5086824 (1992-02-01), Tsuda et al.
patent: 5101882 (1992-04-01), Freeman

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