Applying pECM makes positioning the vanes as already fixed within the tooling design possible. Also, the quality of the surface is very high thanks to applying electrochemical polishing within the same set-up, and the machining time is much shorter compared to any conventional machining technique.
These nozzle rings are made with a specially designed machining strategy, allowing the machining of thinner slots and therefore the pass through of less compressed air. The finishing time is very short: within 4-5 minutes.