Typical problems of hydraulic system in CNC machine tools and its treatment

CNC machine tools have played an important role in the processing of parts in China and the development of the industry. The hydraulic system is one of the important structures of CNC machine tools, but because the hydraulic system of CNC machine tools is short of corresponding protection operations because of the faults in the hydraulic system. The addition of CNC machine tools has a very serious impact. Future demand will further focus on and improve the protection of the hydraulic system of CNC machine tools, reduce the typical problems of hydraulic systems, and ensure the smooth operation of CNC machine tools.

Typical problems of hydraulic system of CNC machine tools and its treatment

First, the typical problems of the hydraulic system of CNC machine tools

It is very common that the hydraulic system of NC machine tool is flawed, but the problems caused by the hydraulic system have severely affected the normal operation of CNC machine tools, and even formed a very serious loss for some enterprises. At that time, the typical problems with the hydraulic system of CNC machine tools were as follows.

1. Hydraulic system oil pollution Oil pollution is a relatively common phenomenon in the hydraulic system. Oil pollution is also an important cause of the entire hydraulic system fault, because the hydraulic system components will have some pollutants into the system during the assembly process, and even During the operation of the system, the contaminant aggression will be formed because of the sealing of some parts. When the contaminants in the hydraulic system exceed a certain amount, it will affect the shutdown of the hydraulic system or the turbulence of the system. In addition, some protection and maintenance personnel lacked awareness of work responsibilities and enthusiasm for work, and their daily protection operations were not in place. As a result, oil contaminants in the hydraulic system were not eradicated in time, which was also an important reason for the formation of pollutants.

2. The sensation and noise of the hydraulic system The sensation and noise of the hydraulic system is one of the common problems in the hydraulic system. This is primarily the resonance of the hydraulic pump's operating frequency and the frequency of the unique CNC machine tools. Other hydraulic pumps will inhale during normal operation. In some air, these bubbles will be instantly released under the effect of high pressure and a pressure pulsation will occur, which is the noise of the hydraulic system during the operation. The turmoil and noise of the hydraulic system have a very bad influence on the operation of the entire CNC machine tool, affecting the power and quality of the CNC machine tool operation.

3. Defective data of the hydraulic system The defects in the hydraulic system of the machine tool have a very bad influence on the operation of the entire system and will directly affect the quality of the CNC machined parts. The primary causes of hydraulic system defects are the following: First, the conflict force at low-speed movements changes, and the snaking phenomenon of CNC machine tools is mainly manifested in the low-speed movement of the system. This is mainly because the conflict is caused by too many contacts at this time.匍匐 匍匐 匍匐 匍匐 phenomenon occurs. The second reason is that the wear of the components will lead to flaws. During the use of CNC machine tools, the loss of components will appear. This will add gaps between the components and affect the sealing of the components. It will definitely affect the thrust of the hydraulic cylinders due to the added conflict. Force causes paralysis.

Second, the typical problems in the hydraulic system of CNC machine tools

Hydraulic system as an important structure of the entire CNC machine tool, on the operation of the CNC machine tool has a very important effect. However, because the protection and maintenance operations of the hydraulic system are not in place, the hydraulic system often presents faults that severely affect the operation of CNC machine tools. Future needs to further improve the protection of the hydraulic system, reduce the problems of the hydraulic system, and better ensure the operation of CNC machine tools.

1. Treatment of defects in oil pollution The problems associated with the occurrence of oil pollution should be strengthened in the daily protection of related methods to reduce the problem of oil pollution. A reasonable check is performed on the requirements of the assembled components of the system to avoid the presence of contaminants in the components. Others also need to arrange professional personnel to clean the hydraulic system to minimize the degree of oil contamination. The handling personnel can also use advanced techniques to apply the wild particle contamination detector to detect particle contamination in the oil, turbine oil and other oils used in the hydraulic oil control system to avoid pollutant overruns.

2, the hydraulic system sensation and noise problems handling hydraulic system sensation and noise problems occur primarily in the hydraulic system component wear occurs, if you want to reduce the sensation and noise requirements to strengthen the protection of components, hydraulic system can use low noise Hydraulic components, after reducing the vibration source, reduce the noise of the hydraulic system. In order to reduce noise, equipment can be silenced in the hydraulic system of CNC machine tools, which can effectively reduce noise. In the future, there is a need to further improve the equipment of the hydraulic system. The protection and maintenance personnel will replace some of the components that have experienced problems in a timely manner to avoid system sensations and noise caused by component problems.

3. Treatment of hydraulic system faults Because the cause of the hydraulic system is different, different methods are used to correct this problem. Because the use of a hydraulic system over a long period of time will result in the wear of some components, it is necessary to replace the components of the system at a regular time and reduce the problems caused by component problems. Other problems that are caused by poor driveability can continuously improve the machining accuracy in the production of parts, strictly inspect every part of the system, and add some valves in the hydraulic system to ensure sufficient oil in the system. Add a corresponding exhaust valve or a purge valve to prevent the system from appearing vacuum.

4. Strengthen the protection of hydraulic systems One of the causes of hydraulic system faults is that the protection and maintenance operations are not in place. In order to reduce the problems of the hydraulic system, the protection of the system should be strengthened, and professional personnel should be arranged to regularly check and protect the system. . Establish a relatively complete standard for handling duties in the protection operation, check the hydraulic system regularly, discover the hidden dangers of the hydraulic system in time, and ensure the smooth operation of all operations. The processing units of CNC machine tools are in great demand to pay attention to the hydraulic system or the protection of the entire CNC machine tool, arrange professional technicians to carry out maintenance, and actively pay attention to this operation to reduce the problems of the hydraulic system. As the skill protection of CNC machine tools, the needs of operators continuously improve their own responsibilities, and they fully recognize the importance of protection and maintenance operations. They also need to introduce some high-level skills protection personnel to better ensure the use of CNC machine tools. Cuts down the hydraulic system.

Third, the conclusion

CNC machine tools play an important role in China's industrial production, but because the protection of CNC machine tools is not in place, the hydraulic system of CNC machine tools often has some problems that affect the parts and operations of CNC machine tools. The causes of hydraulic system faults are manifold. In the future protection operations, attention needs to be paid to the maintenance of the hydraulic system, the replacement of parts of the hydraulic system on a regular basis, the improvement of the nature of maintenance personnel, and better accustomed to the operation of CNC machine tools. demand. Strengthening the protection of the hydraulic system can effectively reduce the incidence of defects and improve the power of CNC machine tools.

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