| 摘要 |
The invention relates to a knife roller with at least one film knife which is securable on a multi-part roller body, which comprises suction openings around its circumference, and connected thereto, suction channels extending in the lengthwise direction. The gist of the invention is that: a) suction openings are provided along several suction hole rows arranged next to one another in the circumferential direction, b) one suction channel is arranged to correspond with each suction hole row, and c) at least one suction air control channel and at least one adjustable suction air control disk are provided, d) by means of which the suction air control channel is selectively connectable with different suction channels, suction hole rows, and their suction openings.
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