| 摘要 |
<p>An apparatus for processing grain-oriented electrical steel strip (3,3a) has a groove-scribing unit (10), which comprises a groove-scribing roll (21) mounted above a pressing roll (22), disposed on the entry side of an insulation coating unit (13). A bridle roll (24) is provided above the groove-scribing roll (21) so that the strip may be passed to the groove-scribing (10) and insulating coating units (13) via the bridle roll (24), The apparatus also has a device for guiding the travel of the bridle roll (24) from above the groove-scribing roll (21) to below the horizontal pass line of the strip and vice versa. A moving device attached to the bridle roll permits the bridle roll (24) to travel up and down along the guiding device together with the strip passed threaround. When the bridle roll (24) is positioned above the groove-scribing roll (21), the groove-scribing and support rolls (21,22,23) are kept close to each other, thereby scribing grooves in the surface of the strip held between the two rolls (21,22) before the strip is passed to the insulation coating unit (13). When the bridle roll (24) is positioned below the pass line of the strip, on the other hand, the groove-scribing and pressing rolls (21,22) are kept away from each other to allow the strip to pass direct to the insulation coating line (13) without touching either roll. Thus, the apparatus provides a choice between two passes for the strip. <IMAGE></p> |
