Smart feed Auto-Abrasive Delivery System is used to control the consumption of abrasive, which is the main source of cutting cost. The optimal feeding quantity of abrasive helps to ensure successful cutting of a water jet cutter. This equipment is easy to operate and has high cost performance. It can support 24-hour continuous working with two independent cutting heads. Smartfeed Auto-Abrasive Delivery System is able to supply extremely accurate abrasive quantity to ensure efficient cutting of a water jet cutting machine. The system also helps to solve the troubles of abrasive blockage as the computer is accurate in coordinating with the discharging time of abrasive.