Method of operating a magnetically driven vibrating conveyor and

Details Method of operating a magnetically driven vibrating conveyor and Method of operating a magnetically driven vibrating conveyor and

1990-06-13

1992-07-07

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Reciprocating conveying surface

198766, 198769, B65G 2700

Patent

active

051275120

ABSTRACT:
A method of operating a magnetically driven vibrating conveyor under different conveying loads with a constant excitation frequency. The natural frequency of the conveyor is set without a conveying load so that with a load the natural frequency of the conveyor approaches the operating frequency of the conveyor with increasing attenuation and, with a maximum load of material to be conveyed, the natural frequency of the conveyor is approximately equal to the excitation frequency of the dual mass vibratory system. Additionally, the vibration amplitude of the dual masses of the magnetic drive is regulated to a predetermined value.

REFERENCES:
patent: 2819788 (1958-01-01), Howard
patent: 4378064 (1983-03-01), Brown
patent: 4961491 (1990-10-01), Falconer
"Grundbegriffe der Schwingfordertechnik," [Basic Concepts of Vibratory Conveying], by AEG-Telefunken, Vibration and Welding Division.
Chemie-Technik [Chemical Engineering], "Vibrationsfordersystem mit Resonanzfrequenz-Steuerung," vol. 14 (1985), No. 12, pp. 45-47.
Gerd Fechner and Wolfgang Steuer, "Magnetvibratoren von AEG-TELEFUNKEN-Antriebe fur die Schwingungstechnik", Techn. Mitt. AEG TELEFUNKEN 71, pp. 94-97, (1981).

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