Device for controlling the amount of a solid paint component in electrodeposition coating

摘要

A device for controlling the amount of a solid component of a paint in electrodeposition coating includes a measuring tank, a temperature detecting section including a temperature sensor disposed in the measuring tank, a section for measuring the speed of propagation of ultrasonic waves including an ultrasonic wave generator and an ultrasonic wave receiver disposed within the measuring tank, an operation section connected to the temperature detecting section and the speed measuring section for producing a control signal according to the temperature of the paint in the measuring tank and the speed of propagation of ultrasonic waves, and a supply section connected to the operation section for supplying a replenishing paint to an electrodeposition coating tank according to the control signal.