| 摘要 |
<p>Provided is a web detection device of a printing press capable of promptly detecting paper breakage, the web detection device being provided with: a printing unit (2) which prints on a web (W) being transported; a dryer (3), which is provided on the downstream side in the web transporting direction of the printing unit (2), and which dries the printed web (W); a chill roller (11), which is provided on the downstream side in the web transporting direction of the dryer (3), and around which the dried web (W) is wound; and a detection device (7), which is provided in a vicinity of the chill roller (11), and which detects that the position in a web surface crossing direction of a web (W) (w2) having been cut exceeds a predetermined allowable range (H).</p> |
