| 摘要 |
<p>PURPOSE: To surely prevent the occurrence of a flaw on the surface of a shape detection roll and the attachment of foreign matter to the surface. CONSTITUTION: The reverse system cold rolling equipment 19 for a strip metal includes supply reel 21, winding reel, cluster type cold rolling mill 23, deflector rolls 24a, 24b, shape detection rolls 25a, 25b detecting the shape of a stainless steel strip 20, protector rolls 26a, 26b supported ascendably and descendably between an upper limit position upper than the top end of the shape detection rolls 25a, 25b and a lower limit position lower than the top end of the shape detection rolls 25a, 25b, which is installed closely to the shape detection rolls 25a, 25b between the cluster type cold rolling mill 23 and the shape detection rolls 25a, 25b, and elevating/lowering drive means 27 elevating/lowering and driving the protector rolls 26a, 26b. Since by the elevating/lowering of the protector rolls 26a, 26b, at the time of the threading of the stainless steel strip 20, collision with the tip and the rear end of the stainless steel strip and the shape detection rolls 25a, 25b and their contacts can be avoided, the occurrence of a flaw on the shape detection roll 25a, 25b and the attachment of foreign matter to the roll is prevented.</p> |
