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What is the working principle of hydraulic cutting machine

Author Clicks:Times2016-7-27 10:23:12【Big Middle Litter

It is to hydraulic oil as the working medium, through the power components (oil) the prime mover of the mechanical energy to the pressure of the hydraulic oil, and then through the control element, and with the help of actuators (cylinder or motor oil) will convert the pressure energy into mechanical energy, drive the load to achieve linear or rotary motion and through to control element remote control and the flow regulation, setting executive force and velocity components. When the external disturbance to the above system, the implementation of the output of the component in general to deviate from the original set value, resulting in a certain error.

Hydraulic cutting machine control: and the hydraulic transmission, system also includes power components, control components and the implementation of components, is by the oil transmission power. Different point is hydraulic control device with feedback, feedback device is the implementation of the components of the output mechanical (displacement, velocity and force) feedback back with the input value (can be change, can also is constant) were compared with the comparison of the deviation control system, to enable the implementation of the components of the output with the input changes vary or remain constant. It is a kind of hydraulic drive system which forms a closed loop circuit. It is also called the hydraulic servo system or the hydraulic servo system.

Hydraulic cutting machine hydraulic system with the on-off type or logical control element, the control objective is to is keep adjusting value stable or simply change the direction, also called the value and sequence control element.

The servo control system is used in the hydraulic control system, which has the feedback structure, and is controlled by the electric device, which has high control precision and response speed. Output power can be enlarged.

Some features of the proportional control is in between the above two between a control, proportional control valve is in the on-off control device and servo control components based on the development of a new electro-hydraulic control components, both of these two types of components for hands on-off control can not meet the requirements, but also do not need to servo valve on the hydraulic system so strict pollution control requirements of the occasion.

Attached: loop hydraulic cutting machine

Hydraulic basic circuit is a circuit which is composed of some hydraulic components and accessories to complete a certain function. Any hydraulic system can be divided into a number of hydraulic basic circuit. For the basic circuit of the same function, can have a variety of ways to achieve.

Need to pay attention to is: the loop in the hydraulic element, attachment to the structure and working principle must be exact grasp, and combined with the working process of the hydraulic system in various operation conditions is to be a specific analysis, selected yuan, annex can meet the working circuit is need.

In some hydraulic circuits, it is required that the same hydraulic components sometimes be used as a hydraulic pump, sometimes as a hydraulic motor. Obviously, not all of the hydraulic pump or hydraulic motor can meet this requirement.