Machining the outline or contour of turbo billet compressor wheel is very very critical, because it matches contour of compressor housing. A good / accurate machining of contours and the matching will lead to good performance of a turbo, however, a bad matching may cause substandard function.
Shown is a compressor wheel used for new-energy vehicles.
Machining Superback of Billet Compressor Wheel
Image measuring outline or contour of turbo billet compressor wheel
Machining Billet Compressor Wheel from US Made Imported 7075 Kaiser Aluminum