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US 2013/0014629 A1Published application
Apparatus for introducing weakening cuts in a film or skin
AssigneeKraussMaffei Technologies GmbH
InventorThorsten Schueppstuhl
Life of this patent
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Abstract
An apparatus for introducing weakening cuts in a film or skin includes a cutting knife and a support arranged in opposition to the cutting knife, wherein the film or skin can be placed between the support and the cutting knife and borne by the support, and the cutting knife is movable relative to the film or skin. In order to ensure a defined residual wall thickness, the invention proposes that the distance between the cutting knife and the support in the direction of the cutting axis can be designed to be kept constant by a device.
Claims7
A device for introducing weakening cuts into a film or skin, comprising:
- a cutting knife movable relative to the film or skin;
- a support arranged opposite the cutting knife, wherein the film or skin is arrangeable between the support and the cutting knife and is supported against the support;
- a first sensor for detecting a position of the support in a cutting axis and being configured for generating a first signal representing the position of the support;
- a second sensor for detecting a position of the cutting knife in the cutting axis and configured for generating a second signal representative of the position of the cutting knife;
- a controller for receiving the first and second signals from the first and second sensors;
- and
- an adjustment drive for adjusting the cutting knife in the cutting axis, wherein the controller is constructed for determining a distance between a tip of the cutting knife and the support, and for generating an adjustment signal as a function of the first and second signals for determining the position of the support and makes the adjustment signal available for the adjustment drive.
4 more elements
Dependencies are inferred from the claim text.