DEVICE AND METHOD FOR DETECTION OF FOREIGN OBJECTS IN A MAT SPREAD ON A CONVEYOR

DEVICE AND METHOD FOR DETECTION OF FOREIGN OBJECTS IN A MAT SPREAD ON A CONVEYOR

A method for detecting at least one foreign object in a mat includes: providing that the mat is spread on a conveyor device in a process for producing manufactured boards, the mat including (i) fibers or chips and (ii) at least one binding agent which are pressed under an increased temperature in a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Staub, Günter, Krumbach-Voß, Rainer, Schürmann, Klaus, Malagrino, Pedro Robles
Format: Patent
Sprache:eng
Schlagworte:
MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
NAILING OR STAPLING MACHINES IN GENERAL
PERFORMING OPERATIONS
TRANSPORTING
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:A method for detecting at least one foreign object in a mat includes: providing that the mat is spread on a conveyor device in a process for producing manufactured boards, the mat including (i) fibers or chips and (ii) at least one binding agent which are pressed under an increased temperature in a continuous press; using a first sensor device, which operates with electromagnetic waves, ultrasonic waves, magnetic fields, or radiometry and which is directed at at least one spatial measuring area of the mat in order to detect the foreign object, the first sensor device recognizing a material of the foreign object; aligning-if necessary, temporally offset-a second sensor device with the at least one spatial measuring area; and determining, by the second sensor device, at least one foreign object dimension of the foreign object.