Method and apparatus for manufacturing die-castings

Details Method and apparatus for manufacturing die-castings Method and apparatus for manufacturing die-castings

1997-07-16

2000-10-03

Batten, Jr., J. Reed

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 61, 164 65, 164113, 164253, 164305, B22D 1714, B22D 1732

Patent

active

06125911&

ABSTRACT:
The apparatus includes a diecasting mold and evacuation elements for the controlled evacuation of a mold cavity. The evacuation elements includes a vacuum tank and a suction line interconnecting the vacuum tank and the diecasting mold. the suction line includes a first valve and a second valve which is coupled in parallel to the first valve. The valves are arranged so that a reference space is formed therebetween. The method for manufacturing die-castings includes evacuating a diecasting mold, filling the diecasting mold with casting material, removing the die-casting, forming a reference space in a portion of the suction line by closing the two valves which are coupled in parallel, measuring moisture, and pressure and temperature in the reference space, and controlling the apparatus in accordance with the measured values.

REFERENCES:
patent: 5361826 (1994-11-01), Yamauchi et al.
patent: 5379826 (1995-01-01), Miwa et al.
patent: 5460218 (1995-10-01), Miwa et al.
Abstract of Japanese Patent Publication 7-068365 Published Mar. 14, 1995.

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