ELECTROSTATIC COATING APPARATUS AND GROUNDED STATE CHECKING METHOD

An electrostatic coating apparatus includes: a spray gun configured to spray a coating material onto a coating object; a voltage application device configured to apply a high voltage to the spray gun; and a current measurement device configured to measure electric current flowing through the spray g...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAI KIMIYOSHI, ASADA YASUNORI, FUJIWARA SHIGEKI, UMEKI MASAYUKI, KAWAMOTO AKIHIRO, YAMASAKI ISAMU
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES NOZZLES PERFORMING OPERATIONS PHYSICS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	An electrostatic coating apparatus includes: a spray gun configured to spray a coating material onto a coating object; a voltage application device configured to apply a high voltage to the spray gun; and a current measurement device configured to measure electric current flowing through the spray gun. When the spray gun, which is in a state of not spraying the coating material onto the coating object and is under application of the high voltage from the voltage application device, is located at a distance from the coating object, the electric current flowing through the spray gun is measured by the current measurement device. A grounded state of the coating object is checked, based on the measured electric current. This shortens the time required for checking the grounded state, while allowing for downsizing and simplified configuration of production equipment and reduction of equipment cost.