| 摘要 |
<p>PURPOSE:To provide a surface defect marking device by which a defective part of the surface of a strip is surely indicated and the contribution to the quality assurance is attained in an iron and steel processing line. CONSTITUTION:In the iron and steel processing line, a surface defect inspecting device 20 is provided on the upstream side of a strip surface defect inspection chamber and an oil wiping device 23 by which the strip surface oil is absorbed, a printing part 24 by which the surface defective part is indicated by marking and a print drying part 25 by which the printed charactery is dried are provided on the downstream side of the inspection chamber.</p> |
