B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 17/08 (2006.01) B22D 17/14 (2006.01) B22D 17/32 (2006.01)
Patent
CA 2087152
A process for controlling a vacuum die apparatus during a casting operation. The process calls far testing and monitoring the pressure levels in different parts of a 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.
Campbell David L.
Clark George R.
Kenik Frank W.
Vanrens Russell J.
Macrae & Co.
Outboard Marine Corporation
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