The definition of hydraulic pressure principle: Inside system of particular machine, electron, rely on the quiet pressure of liquid medium, the keep long in stock of the energy that finish, deliver, enlarge, those who realize mechanical function is deft change, science is changed, the biggest change. Hydraulic pressure machine is average by motivation, carry out, control and assist 4 parts to comprise. Hydraulic pressure machinery has weight light, power big, structure simple, layout agile, control is convenient wait for a characteristic, speed, torque, power all can do stepless adjustment, can rapid inverting and gearshift, timing range is wide, fast performance is good, the job smooth, noise is little, already wide application is produced to medical treatment, science and technology, military affairs, industry, automation, carry, the domain such as mine, building, aviation. Small hydraulic pressure unit, if be used at the concrete reinforcing steel bar of the stapler size of seismic deliverance,cut off robot of appearance, miniature to wait; Big hydraulic pressure unit launchs a hydraulic pressure system to wait like carrier rocket, little not equipment of hydraulic press tool. CNC MillingCNC Machining