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The Development Trend Of Energy Saving Control For Hydraulic Die Cutting Machine

Edit: JIANGSU SHUOYING PRECISION MACHINERY CO., LTD.    Date: Jul 18, 2017

The development trend of energy saving control for Hydraulic Die Cutting Machine.

In the field of Hydraulic Die Cutting Machine, the purpose of energy saving control is not only to improve fuel efficiency, but also to achieve a series of effects that reduce the cost of use. According to the data, nearly 40% of the failure of the engineering machinery comes from the hydraulic system, and about 15% of the fault comes from the engine. The energy saving technology, can improve the utilization ratio of engine power, reducing the loss of hydraulic power system, power system and load the required power to better match, reduce the work intensity of the engine and hydraulic components, improve the reliability of the equipment in use.

From the development of domestic and foreign development, the energy-saving control of Hydraulic Die Cutting Machine has the following trends:

1) the proportional control of electro-hydraulic ratio control has been applied to engineering machinery since the early 1980s, and has been widely used in Hydraulic Die Cutting Machines. Electro-hydraulic proportional technology used in engineering machinery, could save complex, large hydraulic signal transmission line, the electricity signal transmission hydraulic parameters, not only can speed up system response, and make the whole hydraulic die cutting move system control more convenient and flexible. After entering the 90 s, with the development of computer technology, electro-hydraulic proportional control further "intelligent", electro-hydraulic proportional pump and the application of proportional valve is increasing, thus appeared the "intelligent Hydraulic Die Cutting Machine. This intelligence is mainly embodied in the following aspects. First of all, computers can automatic monitoring of hydraulic system and the operation parameters of diesel engine, such as pressure, rotating speed of diesel engine, according to these parameters, and can automatically control the whole hydraulic die cutting move system is running in high efficiency and energy saving. Secondly, it can complete some semi-automatic operation, such as flat, slope, etc., to reduce the degree of proficiency of the driver, but the quality of work can be greatly improved. Thirdly, the fault diagnosis can be made according to the operating parameters detected so as to facilitate the maintenance of Hydraulic Die Cutting Machine. The performance of the Hydraulic Die Cutting Machine has been greatly improved.

2) diesel engine electric spraying control is in the traditional mechanical speed regulating diesel engine, the circulating oil supply of the fuel injection pump and the early Angle of the oil injection are affected by the speed of rotation, which makes the performance of the diesel engine difficult to improve further. After application on diesel engine efi control, can make the pump cycle oil and fuel injection advance Angle is no longer affected by rotation speed, thus enables the Hydraulic Die Cutting Machine have been work in the best condition, and accelerates the speed of response. The development of diesel electric spraying controller is an important part to improve the energy efficiency of Hydraulic Die Cutting Machine.

3) the load sensing control will continue to develop load sensing control since the 1970s, and the manufacturers of hydraulic components of engineering machinery have launched a series of related products. The system has good energy efficiency and maneuverability, and even unskilled drivers can adapt quickly. Proportional distributing valve is further promoted the load sensing technology in the application of Hydraulic Die Cutting Machine, make the maneuverability to improve Hydraulic Die Cutting Machine, solve the western countries due to the lack of skilled driver. Therefore, the demand of load sensing control Hydraulic Die Cutting Machine in developed countries will rise further.

4) six multi-way valve continues to exist Although the four-way valve load sensing system can provide accurate operation, but not all situations requires accurate operation, and skilled drivers can also use the load sensing Hydraulic Die Cutting Machine to complete accurate operation. More importantly, the high price of the load sensing system limits its application in developing countries. At present, many of the world famous Hydraulic Die Cutting Machine manufacturers, their products are both using four-way valve control of load sensing Hydraulic Die Cutting Machine, have used six valve hydraulic system such as flow of positive and negative flow control of the Hydraulic Die Cutting Machine. Mature manufacturing techniques and low prices will allow the six-way multi-channel valve to continue to work.

5) to further improve the valve control and energy saving control in the six general multi-way valve in the hydraulic system, there are still many places can be improved, such as maneuverability, energy saving, since the Hydraulic Die Cutting Machine factory is still in the abroad study.

6) multi-function combination to improve the performance of Hydraulic Die Cutting Machine, the combination of various energy-saving measures will be more extensive. In the previous system, the hydraulic pump has been integrated with many functions, but due to the limitations of various conditions, no more than three. As shown in figure 14 of the hydraulic pump, integrated pressure cut off, is flow control and function of power limitation, relatively popular in the market at present all kinds of hydraulic pump principle diagram, also has a variety of functions are integrated. With the development of hydraulic technology, it is possible to integrate more functions on the pump.

7) variable parameter control in order to better adapt to all kinds of Hydraulic Die Cutting Machine load requirements, in the cases of dynamic system of some internal control components will no longer be a fixed value set parameters, but can work with Hydraulic Die Cutting Machine specific situation and change. For example, in the production of the EX series Hitachi construction machine Hydraulic Die Cutting Machine, load sensing valve set pressure compensator differential pressure can change according to the working condition, enhanced the adaptability of Hydraulic Die Cutting Machine work. It can be predicted that in future Hydraulic Die Cutting Machine power system, more control parameters can be adjusted, thus making Hydraulic Die Cutting Machine more efficient and easier to operate.

8) pump - engine matching control will further "intelligent" with the aid of computer control technology, the pump and engine matching control will further realize the "intelligent", the combination between the two will be more closely, to realize the integration of control. In this control, the controller can according to the change of working conditions, automatically adjust hydraulic pump and motor, the guaranteed output for the needs of work, make the lowest fuel consumption.

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