Method and apparatus for determining flow pattern of molten meta

Details Method and apparatus for determining flow pattern of molten meta Method and apparatus for determining flow pattern of molten meta

1983-03-10

1986-05-27

Godici, Nicholas P.

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164150, 374102, 374139, B22D 200

Patent

active

045909873

ABSTRACT:
The time history of a molten metal casting charge being introduced into a mold cavity is recorded by an electrically operated recorder including a plurality of electrical circuits, each of which produces a timing signal upon being completed or closed and is connected to an electrical timing lead having an electrically bare, free end adapted to be located in the mold cavity. The free ends of the timing leads are positioned at predetermined locations of interest in the mold cavity and the molten metal serves as a common ground for completing the electrical circuits in the recorder. The timing cycle is started in response to the molten metal contacting the electrically bare, free end of an electrical trigger lead located near the inlet of the mold cavity and electrically connected to the recorder. Time signals, indicative of the elapsed time between the starting time and the time the molten metal reaches each of the predetermined locations in the mold cavity, are produced in response to the molten metal contacting the free ends of the timing leads.

REFERENCES:
patent: 3864973 (1975-02-01), Petry
patent: 4213494 (1980-07-01), Carbonnel
patent: 4245758 (1981-01-01), McCabe

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