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Four Steps to Solve the Difficulties of CNC Maintenance

2023-04-10()click

CNC machine tools are currently a popular industry, and many vocational schools specialize in setting up CNC maintenance courses for students to choose from. The emergence of CNC has enabled many industries in China to achieve the idea of integrating automation. One of the biggest characteristics of CNC machining is its ability to significantly reduce the number of fixtures, process complex parts that were once extremely difficult to operate, and can also arbitrarily change the size and size of the processed parts,, Multiple varieties are produced in small batches, with very high efficiency. Therefore, it has been welcomed by a large number of enterprises. As the saying goes, with the emergence of machines, there will be corresponding maintenance personnel in that industry. Once a CNC machine tool malfunctions, it is very troublesome. Due to the complexity of the machine itself, CNC maintenance is also not easy. However, there is a unique skill in a certain industry. After years of practical experience, the CNC maintenance industry has summarized the experience of quickly detecting faults and repairing them. There are four steps in total. Let's learn and learn together:

1. First simple, then complex

When multiple faults are intertwined and there is no way to start at the moment, easy problems should be solved first, and then difficult problems should be solved. Often, after solving simple problems, difficult problems may also become easier.

2. Static before Dynamic

After understanding, observing, testing, and analyzing the static state of the machine tool when it is powered off, it is confirmed that the power on will not cause the fault to expand or cause accidents before the machine tool can be powered on. Conduct dynamic observation, inspection, and testing while in operation to identify faults. For destructive faults that may occur after power on, the danger must be eliminated before power on.

3. First external then internal

The reliability of modern CNC systems is increasing, and the failure rate of the CNC system itself is decreasing, with most of the failures occurring due to non system reasons. Due to the fact that CNC machine tools are a combination of mechanical, hydraulic, and electrical components, the occurrence of their faults can also be comprehensively reflected by these three factors. Maintenance personnel should first conduct inspections one by one from the outside to the inside. Try to avoid unsealing or disassembling at will, otherwise it will expand the fault, cause the machine to lose accuracy and reduce performance. The external faults of the system are mainly caused by problems with detection switches, hydraulic components, pneumatic components, electrical actuators, mechanical devices, etc.

4. Mechanical before Electrical

Generally speaking, mechanical faults are more easily detected, while the diagnosis of CNC systems and electrical faults is more difficult. Before troubleshooting, first pay attention to troubleshooting mechanical faults.

These four steps can provide a substantial experience for CNC maintenance. Although CNC machine tools are complex, they have brought many contributions to humanity. It can be said that in the future, China's industry will gradually use CNC to complete integrated work, and the CNC maintenance team will continue to grow, still providing professional services to CNC.

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