Cleaning object: cleaning and drying before assembly of hydraulic cartridge valve parts, cleaning and lubrication before assembly of hydraulic parts, degreasing and cleaning of stainless steel parts, titanium alloy machine parts, cleaning and cleaning before assembly of servo hydraulic cylinder parts: ① feeding → automatic feeding → Degreasing spray cleaning → compressed air cutting water → spray rinsing → compressed air cutting water → automatic discharging → unloading (cleaning medium: water-based detergent) ② feeding → ultrasonic cleaning → ultrasonic cleaning → ultrasonic rinsing → jet rinsing →jet rinsing→hot air drying→cutting