Patent ID: 8827181

Claim:
A shaping air ring for a rotary atomiser for coating components, comprising: an end face, which in an operating state faces a bell cup of the rotary atomiser, at least one shaping air nozzle included in the end face and configured to discharge a shaping air stream for shaping a spray jet discharged by the bell cup, wherein the shaping air nozzle is configured to discharge the shaping air stream substantially perpendicularly to a plane indicated by a substantially flat portion of the end face, and an annular cavity that is substantially circular, that forms an indentation in the substantially flat portion of the end face, and that is arranged in an annularly encircling manner in the end face of the shaping air ring; wherein a line tangent to a rear-most portion of the annular cavity is substantially parallel to the plane indicated by the substantially flat portion of the end face.