CONTROL OF CLIPPING

The invention concerns some methods for generating a velocity profile for a rotational knife in a clipper, such as veneer clipper. In the methods at least some parameters and/or occasions in two consecutive clipping cycles are monitored and determined and on the basis of them the operation of the kn...

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Bibliographische Detailangaben
Hauptverfasser:	WEBBER, JEFFREY MICHAEL, HERNANDEZ VIDAURRETA, DOMINGO MANUEL, GIBSON, PETER WILLIAM
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BROACHING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING FILING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HAND CUTTING TOOLS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOODFIBRES OR WOOD POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PHYSICS PLANING REGULATING REMOVING BARK OR VESTIGES OF BRANCHES SAWING SCRAPING SEVERING SHEARING SLOTTING SPLITTING WOOD TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	The invention concerns some methods for generating a velocity profile for a rotational knife in a clipper, such as veneer clipper. In the methods at least some parameters and/or occasions in two consecutive clipping cycles are monitored and determined and on the basis of them the operation of the knife in the clipper is controlled. Some aspects of the present invention relate to control units in the clipper. L'invention concerne des procédés permettant de générer un profil de vitesse pour un couteau de rotation dans un massicot, tel un massicot à placages. Dans les procédés, au moins certains paramètres et/ou événements dans deux cycles de coupe consécutifs sont surveillés et déterminés et en fonction de ceux-ci le fonctionnement du couteau dans le massicot est commandé. Certains aspects de la présente invention concernent des unités de commande dans le massicot.