Method and apparatus for charging metal to a die cast

Details Method and apparatus for charging metal to a die cast Method and apparatus for charging metal to a die cast

1993-04-15

1995-02-14

Bradley, P. Austin

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164136, 1641557, 1641554, 164312, 164337, B22D 3902, B22D 1710, B22D 1730

Patent

active

053886330

ABSTRACT:
An automatic ladling system is described for delivering a molten metal to the mold or die of a molding or casting machine. The ladling system comprises a programmable logic controller (PLC) for monitoring and controlling the sequential delivery of shots of a precise quantity of molten metal from a furnace or holding pot to a shot delivery apparatus of the casting machine. In the preferred system, the PLC also monitors and/or controls the temperature of the molten metal in the holding pot, the temperature of the molten metal in a metal transfer system, the operation of a pump for pumping molten metal from the holding pot to the shot delivery apparatus, the level of molten metal in the pot, and the operation of the casting machine.

REFERENCES:
patent: 2015111 (1935-09-01), Jacobson
patent: 3196502 (1965-07-01), Wagner
patent: 3252187 (1966-05-01), Burkett
patent: 4493362 (1985-01-01), Moore
patent: 5207267 (1993-05-01), Iwamoto et al.
Patent Abstracts of Japan, vol. 16, No. 62 (M-1211) Feb. 17, 1992 (JP,A,32 58 448).
P. Koch in GieBerei-Praxis, NR 9 1908 "Verbesserung der Reproduzierbarkeit beim Druckgiessen durch Steuerung undRegelung der wichtigsten Einflussgrossen"; May 10, 1980; pp. 115-120.
Alfred Adamec in "Gewichtsdosierende Metallzuteilung bei Druckgussmaschinen" Giessereitechnik 11 Jahrgana Heft 7, 1965, pp. 203-206.

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