| 摘要 |
The invention relates to an apparatus (1) for cutting a material web (10) in a papermaking machine, comprising a cutting device (20), an upper holding device (30) and an upper positioning device (31), the cutting device (20) being fixed above the upper positioning device (31) on the upper holding device (30) such that it can be moved in the cross-machine direction, and the apparatus additionally having an air guide box (40) and the air guide box (40) being fixed above the material web (10), likewise on the upper holding device (30). Furthermore, the invention relates to a method for cutting a material web (10) in a papermaking machine, comprising the steps moving a cutting device (20) in the cross-machine direction, the cutting device (20) being fixed to an upper holding device (30) such that it can be moved in the cross-machine direction; cutting the material web (10) with the aid of a cutting medium (22) from the cutting device (20); in addition, the following step being carried out stabilizing the material web (10) during the cutting by means of an air guide box (40) above the material web (10), the air guide box (40) likewise being fixed to the upper holding device (30). |
