CLOSED LOOP ADJUSTMENT SYSTEM AND METHOD FOR ULTRASONIC GAP CONTROL AND LEVELING ULTRASONIC DEVICES

An apparatus and method for leveling a bonding device and anvil in an assembly via a closed-loop control system is provided. The assembly includes an anvil, a bonding device positioned adjacent the anvil and configured to interact with the anvil to form the bonds on the web, and an actuator that ena...

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Bibliographische Detailangaben
Hauptverfasser:	SCHUETTE, DAVID E, LAFFERTY, JUSTIN M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTROLLING FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY PERFORMING OPERATIONS PHYSICS REGULATING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An apparatus and method for leveling a bonding device and anvil in an assembly via a closed-loop control system is provided. The assembly includes an anvil, a bonding device positioned adjacent the anvil and configured to interact with the anvil to form the bonds on the web, and an actuator that enables adjustment of an orientation between the bonding device and the anvil. The assembly also includes a closed-loop control system configured to control operation of the actuator, with the closed-loop control system configured to monitor an operational parameter of the assembly indicative of interaction of the bonding device with the anvil, determine whether the bonding device is parallel or substantially parallel with the anvil based on the operational parameter, and when the bonding device is not parallel or substantially parallel with the anvil, cause the actuator to adjust the orientation between the bonding device and the anvil.