Cleaning object: ①Final cleaning of automobile assembled camshaft ②Cleaning and drying of automobile steering sleeve and steering shaftCleaning process: ① feeding → ultrasonic cleaning → moving oil cutting → ultrasonic cleaning → spray cleaning → moving oil cutting → positioning oil cutting → soaking anti-rust → moving oil cutting → positioning oil cutting → unloading (cleaning medium: hydrocarbon) ②Ultrasonic cleaning→ultrasonic cleaning→spray rinsing→ultrasonic rinsing→ultrasonic rinsing→spray rinsing→hot air drying→hot air drying→warm air cooling→dipping anti-rust oil→vacuum pumping (cleaning medium: water-based)