What is the Faradays Cage Effect? How does it affect coating?
A phenomenon was first observed by the great scientist Michael Faraday (September 22, 1791 – August 25, 1867). The Faradays cage is the area of the object where the external electrical field does not penetrate. It is difficult to deposit the powder in very complicated objects. This results in an uneven finish. To overcome the Faradays Cage areas, the following conditions must be fulfilled: powder has to be well charged, airflow must be sufficient to deliver the powder inside a recess but not excessive to preclude powder deposition, and the free ions must be minimized. Because most Faradays Cage areas involve some type of “pocket” areas, it is important that the method for directing the powder flow in these areas allows for displacement of the air to allow penetration. Mitsuba nozzles are specially designed to overcome the Faraday’s cage area. And also the special Corona Classic Attachment is available to minimise the free ions from the field which greatly reduces the Faradays Cage Effe