VERFAHREN UND VORRICHTUNG ZUR BETRIEBSUEBERWACHUNG EINER ELEKTROSTATISCHEN BESCHICHTUNGSANLAGE

In the electrostatic coating of large workpieces, for example vehicle bodies, the installation must be switched off automatically in order to avoid a voltage breakdown when the operating current rises to a threshold value predetermined as a function of the operating voltage which is adjustable over...

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Bibliographische Detailangaben
Hauptverfasser:	LUDERER, FRED, 7057 LEUTENBACH, DE, HENGER, PETER, 7123 SACHSENHEIM, DE
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS NOZZLES PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	In the electrostatic coating of large workpieces, for example vehicle bodies, the installation must be switched off automatically in order to avoid a voltage breakdown when the operating current rises to a threshold value predetermined as a function of the operating voltage which is adjustable over a certain range. To this end, all threshold values applicable to selectable voltage values are stored jointly, more particularly in a microprocessor, and when the installation is in operation, they are selected automatically according to the voltage which has been adjusted. A warning signal is produced when an intermediate threshold value of the current is exceeded, where the intermediate value has been automatically adjusted between the normal and threshold values of the current.