Induction melting

Details Induction melting Induction melting

1988-01-15

1989-07-25

Rosenberg, Peter D.

Metallurgical apparatus

With control means responsive to sensed condition

With means responsive to condition of treated material

75 1014, 164515, 373 7, 373 51, C21D 1100, H05B 360

Patent

active

048505730

ABSTRACT:
Method of and apparatus for providing agitation of the melt in the induction melting of metals. A medium frequency melting power supply (12) of an induction furnace or crucible (10) acts in conjunction with a modulating circuit incorporating a wave form generator (14) whereby modulation at a predetermined amplitude and frequency is applied to the furnace power frequency during at least part of the melt processing cycle to cause agitation of the melt to a predetermined extent independently of the selected overall power input.

REFERENCES:
patent: 1983242 (1934-12-01), Rohn
patent: 3014255 (1961-12-01), Bussard
patent: 3767831 (1973-10-01), Plockinger
patent: 3875322 (1975-04-01), Sundberg
patent: 4499583 (1985-02-01), Mulcahy
patent: 4695316 (1987-09-01), Cartlidge
R. J. Fruehan, "Ladle Refining Furnaces for the Steel Industry", Report Prepared for the Center of Metals Production, Mar. 1985.

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