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Digital Hydraulic Cylinder

The digital cylinders used at Xiluodu power station

Digital Hydraulics

All people can be used and perfect precision hydraulic transmission technology.

Servo control technology of machine - liquid closed loop is the key to realize precise control of digital hydraulic system. The biggest difference between the digital hydraulic system and the servo valve system is that it makes use of the mechanical structure to realize the precise feedback control of the hydraulic actuator, It simplifies the hydraulic drive control, It allows users not to care about what is PID? What is the frequency? What are the valve port gain and other complex device characteristics? Digital hydraulics focuses on target requirements. It not only greatly reduces the technical threshold for ionizing radiation, electromagnetic interference, oil pollution, shock, vibration, temperature range, such as tolerance has also been greatly improved, so everyone can be use it to make great systems.


Any good automatic control system is not primarily depends on the accuracy of the algorithm, both using PID and fuzzy algorithm or a variety of advanced intelligent algorithms, and precise execution device is the key to the success of the automation system! Digital hydraulic technology is the key to the development of many automatic control systems beyond the existing technology.

Digital cylinder, also called: digital hydraulic cylinder, electro-hydraulic step cylinder, electro-hydraulic pulse cylinder, digital control pulse hydraulic cylinder, etc.. It is a kind of digital servo valve, cylinder, sensor, feedback and control combination, hi-tech integration products of hydraulic transmission and control, and the full digital characteristics. It is especially suitable for high precision speed and position control, coordinated motion control of transmission system, especially in the large flow rate (KL / min), high frequency response servo control, it has unparalleled competitive advantage.

Application case:

www.hydraulic.com.cn/.../list-5-1.html


Solution consulting:

service@hydraulic.com.cn


Advisory telephone:

+8610 64738812 / 63331966

  • Digital Hydraulic Cylinder

  • Model Number Codes

  • Front Flange

  • Middle Ear Axis

  • End spherical hinge

  • Special

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Digital Hydraulic Cylinder

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Digital hydraulic cylinder is a double acting, high precision, high frequency response hydraulic cylinder. It is a kind of digital servo valve, cylinder, sensor, feedback and control combination, hi-tech integration products of hydraulic transmission and control, and the full digital characteristics. It is especially suitable for high precision speed and position control, coordinated motion control of transmission system, especially in the large flow rate (KL / min), high frequency response servo control. Digital hydraulic system has unparalleled competitive advantage.




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?? Rated pressure 25Mpa, maximum pressure 35Mpa, super high pressure need to be customized.

?? The diameter of the cylinder is from 20 to 800mm, please refer to the special specification.

?? Cylinder stroke according to user requirements, the level of the cylinder stroke up to 6.5 meters.

?? Number of electric pulses corresponding to cylinder stroke, Pulse signal frequency corresponding to cylinder speed.

?? Repeat positioning accuracy up to micron level.

?? It is suitable for position control, speed control, synchronous control, multi cylinder coordinated control and so on.

?? Electrical control interface diversity (CANBUS, MODBUS, EtherCAT, EtherNet...).

?? Optional absolute position sensor output; optional cavity pressure sensor.

Digital Hydraulic Cylinder

The front flange of the digital cylinder and the general shape of the hydraulic cylinder is the main difference between the end of the cylinder to increase the digital valves and control components, the specific shape as shown below, the size of the table below.

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Other more detailed technical parameters, please call the service hotline.




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Digital cylinder middle ear axil is usually on the digital valve body, but also can be installed with user requirements in the digital cylinder any position. The difference between the general hydraulic cylinder shape is mainly at the end of the cylinder to increase the digital valves and control components. The specific shape as shown below, see the following table size.

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Other more detailed technical parameters, please call the service hotline.




Digital Hydraulic Cylinder

Install the front and rear trunnion of the digital cylinder, which is different from the general hydraulic cylinder is to increase the digital valves and control components. The specific shape as shown below, see the following table size.

Figure and table size is being produced, other more detailed technical parameters, please call the service hotline.


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Precision metering pump cylinder adopts full digital sealed structure, the pump cylinder and digital cylinder, are integrated in a titanium alloy tube, and can work stably for a long time in up to 200 DEG C environment. The utility model has been applied to the 863 key projects of the state, and has promoted the technical capability of oil exploration and exploitation in china.

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It is used for the digital cylinder hydraulic vibration, it can be a common casting machine upgrade, to achieve a high frequency (400 times per minute) small amplitude (1~8 mm) of non sinusoidal oscillation of hydraulic deviation rate reached 50%, and all the parameters can be adjusted online, is a continuous caster reconstruction should be chosen.

Figure and table size is being produced, other more detailed technical parameters, please call the service hotline.

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Install the front and rear trunnion of the digital cylinder, which is different from the general hydraulic cylinder is to increase the digital valves and control components. The specific shape as shown below, see the following table size.

Figure and table size is being produced, other more detailed technical parameters, please call the service hotline.




AEMETEC due to the innovative design of digital hydraulic components, which fully reflects the foreign digital, controllability and accuracy of nearly 100%. Thus, AEMETEC put forward innovative end goal control, abandon the device characteristics in the traditional control mode control. For example, we are concerned with is final embodiment of implementation of the system, and do not care about element properties, because AEMETEC digital hydraulic as the implementation of components, reflecting the precise and perfect control ability, such elements, we call it digital components, such hydraulic technology we call it digital hydraulic.

AEMETEC digital hydraulic due to the innovative design, fully use the digital structure, and thus its characteristics are completely digitized or labeled. For example, the displacement of the AEMETEC Digital Cylinder 0.01 mm corresponds to 1 electrical pulses; AEMETEC Digital Valve 0.01 degree corresponds to 1 electric pulses. Thus we can imagine AEMETEC Digital Hydraulic Control of existing production equipment, only work is to AEMETEC Digital Hydraulic (digital cylinder and digital valve, etc.) to send different frequency, number of electric pulse signal, without the need for another example is the traditional control system need to repeatedly adjust the proportion, integral, differential, temperature compensation parameters and so on, makes AEMETEC Digital Hydraulic control system is installed with, fully embodies the digital technology in the field of industrial technology perfect characteristics.

AEMETEC industrial digital technology has been in the field of metallurgy, national defense military, machinery manufacturing, energy, chemical obtained widely popularized, by the national Ministry of science and technology, the State Economic and Trade Commission, the National Bureau of metallurgy, National Machinery Bureau and national defense and military institutions and industrial digital science and technology products is listed as national key new products, AEMETEC has also been listed for science and Technology Innovation Fund grants support enterprises, "Tenth Five Year" key project corporate, National Torch Plan borne by enterprises, high-tech enterprises in Beijing, the Beijing software enterprises.

Digital Hydraulic System


Also you can see this video at:

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National Science and technology program

("fifteen" key projects)

National key new product projects

Project Name: research and application of advanced manufacturing technology

Case Name: research and development of digital hydraulic cylinder series products

Team: AEMETEC Co., Ltd.

Special topics: YANG Shixiang, YANG Tao

Organization: China Machinery Industry Federation

From: July 2002 to October 2003

Subject number: 2002BA208B03



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Digital hydraulic technology successfully passed the national "fifteen" key project acceptance review.

Acceptance of the expert list (in alphabetical order): Yang Erzhuang (leader), Li Dongru, Chen Zhenfa, Guo Hongling, Wu Yuandao, Jiao Zongxia, Jiao Rang, Chen Shoude, Zhao Aiping.

Acceptance expert opinion: This project has achieved the goal of the original planning, with independent intellectual property rights, the product structure is novel, the craft is good, the work is reliable, the oil pollution resistance ability is strong, has the good promotion value. The successful development of this product has contributed to the promotion of industrial automation.

It is suggested that the test methods and conditions should be improved, and the performance test platform should be set up.



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