Machine with evaluation of the oscillation spectrum of a belt of the machine

A machine has at least two wheels (at least one of them driven) arranged on a base body and connected with a revolving belt. A transmitter and a receiver are arranged on the base body. The transmitter transmits contactless to the belt a transmitted signal having an oscillation frequency, with the re...

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Bibliographische Detailangaben
Hauptverfasser:	BOHN GUNTHER, NIEDERGESAESS JOERG, GEBERT KARL
Format:	Patent
Sprache:	eng
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING
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Beschreibung
Zusammenfassung:	A machine has at least two wheels (at least one of them driven) arranged on a base body and connected with a revolving belt. A transmitter and a receiver are arranged on the base body. The transmitter transmits contactless to the belt a transmitted signal having an oscillation frequency, with the receiver from the belt a reflected signal in response to the transmitted signal. An evaluation device connected to the receiver checks if the reflected signal received by the receiver satisfies an acquisition condition indicating that a speed of the belt is in a predetermined speed range. The evaluation device determines, if the acquisition condition is satisfied, a frequency spectrum which is based of the oscillation frequency and the reflected signal in the predetermined speed range and indicative of a mechanical oscillation characteristic of the belt, and generates a control signal based on the evaluated frequency spectrum.