Heat treatment of rotationally symmetrical workpieces by inducti

Details Heat treatment of rotationally symmetrical workpieces by inducti Heat treatment of rotationally symmetrical workpieces by inducti

1981-07-13

1984-04-10

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

219 1041, 219 1057, 219 1069, H05B 610

Patent

active

044423322

ABSTRACT:
In the induction heating of rotationally symmetrical workpieces, the workpieces are passed through the treatment region with magnetic flux in the region parallel to the axis of symmetry of each workpiece as it passes through the treatment region. In order to obtain uniform heating of the workpieces, flux modifying members are provided which are arranged so that the resultant distribution, across the workpiece transversely of the axis thereof of the magnetic flux density in the axial direction is substantially inversely related to the distance from the axis of rotational symmetry of the workpiece.

REFERENCES:
patent: 2299934 (1942-10-01), Sherman et al.
patent: 2422417 (1947-06-01), Hutchinson
patent: 3051811 (1962-08-01), Koesling
patent: 3251976 (1966-05-01), McBrien
patent: 3396258 (1968-08-01), Leatherman
patent: 3846609 (1974-11-01), Enk
patent: 4082936 (1978-04-01), Aoki et al.
patent: 4184798 (1980-01-01), Laughlin
patent: 4288673 (1981-09-01), Ishibashi
patent: 4348571 (1982-09-01), Dills

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