Apparatus for processing grain-oriented electrical steel strip

Details Apparatus for processing grain-oriented electrical steel strip Apparatus for processing grain-oriented electrical steel strip

1990-12-04

1992-02-04

Dean, R.

Metallurgical apparatus

Means treating a continuum of work

72197, 148110, B21B 3902

Patent

active

050854119

ABSTRACT:
An apparatus for processing grain-oriented electrical steel strip has a groove-scribing unit, which comprises a groove-scribing roll mounted above a pressing roll, disposed on the entry side of an insulation coating unit. A bridle roll is provided above the groove-scribing roll so that the strip may be passed to the groove-scribing and insulating coating units via the bridle roll. The apparatus also has a device for guiding the travel of the bridle roll from above the groove-scribing roll to below the horizontal pass line of the strip and vice versa. A moving device attached to the bridle roll permits the bridle roll to travel up and down along the guiding device together with the strip passed therearound. When the bridle roll is positioned above the groove-scribing roll, the groove-scribing and support rolls are kept close to each other, thereby scribing grooves in the surface of the strip held between the two rolls before the strip is passed to the insulation coating unit. When the bridle roll is positioned below the pass line of the strip, on the other hand, the groove-scribing and pressing rolls are kept away from each other to allow the strip to pass direct to the insulation coating line without touching either roll. Thus, the apparatus provides a choice between two passes for the strip.

REFERENCES:
patent: 4468551 (1984-08-01), Neiheisel
patent: 4533409 (1985-08-01), Benford
patent: 4711113 (1987-12-01), Benford
patent: 4728083 (1988-03-01), Ruediger
patent: 4742706 (1988-05-01), Sasaki et al.
patent: 4770720 (1988-09-01), Kobayashi et al.

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