The quality of CNC machine tool maintenance personnel directly determines the maintenance efficiency and effect. In order to quickly and accurately determine the cause of the failure, and timely and effective treatment, the machine's action, function and accuracy are restored. As a maintenance personnel of CNC machine tools, the following aspects should be Conditions: 1. Broader knowledge; 2. Good at thinking; 3. Emphasis on experience accumulation; 4. Good at learning; 5. Basic foreign language and professional foreign language foundation; 6. Skilled in operating machine tools and using maintenance instruments; Strong hands-on ability.
1. What is the breadth of knowledge?
Since CNC machine tools are usually integrated with mechanical, electrical, hydraulic, pneumatic and other processing equipment, there is a close relationship between the various parts of the machine tool. Any part of the machine failure will affect the normal operation of other parts. The first step of CNC machine tool maintenance is to determine the true cause of the fault and the fault location as soon as possible according to the fault phenomenon. This is the quality that the maintenance personnel must possess, but at the same time it puts high demands on the maintenance personnel. It requires CNC. Machine tool maintenance personnel should not only master the basic knowledge and basic theory of mechanical and electrical, but also should be familiar with the structure and design of machine tools, and be familiar with the performance of CNC machine tools. Only in this way can we quickly find out the cause of the fault and judge the fault. In addition, in order to carry out on-site mapping of certain circuits and parts, maintenance personnel should also have certain engineering drawing capabilities.
2. What is good at thinking?
The structure of CNC machine tools is complex and the connections between the various parts are close. The fault involves a wide range. And in some cases, the phenomenon reflected by the fault is not necessarily the root cause of the fault. As a maintenance personnel, it is necessary to analyze the fault process from the fault phenomenon of the machine tool, and to identify the root cause of the fault by the nature of the various causes, and to find out the root cause of the fault. In layman's terms, the maintenance personnel of CNC machine tools should be "more brains, be careful" in a certain sense, avoid drafting conclusions, replace components since the month. Especially the modules of the CNC system and printed circuit boards 3. Emphasis on experience accumulation What is it?
The maintenance speed of CNC machine tools depends to a large extent on the accumulation of ordinary experience. The more problems the maintenance personnel have encountered and the more obstacles they have solved, the richer their maintenance experience. Although there are many kinds of CNC machine tools and different systems, the basic working process and principle are the same. Therefore, after the maintenance personnel solves a certain fault, the maintenance process and the handling method should be summarized and summarized in time. A written record is formed for reference for future similar fault repair. Especially when it is difficult to solve the problem of ten, it is a problem that should be solved by the technicians or experts of the same industry. In particular, it should be carefully observed and carefully recorded so as to improve. This has accumulated over time to achieve the goal of improving one's own level and quality.
4. What is good at learning?
As a maintenance personnel of CNC machine tools, we must not only pay attention to analysis and accumulation, but also be diligent in learning and good at learning. CNC machine tools, especially CNC systems, usually have more manuals, including operation, programming, connection, installation and commissioning, maintenance manuals, function descriptions, and plc programming. These manuals and pirates are hundreds of thousands of words. To tens of millions of words. It is not a day's work to fully grasp the whole content of the tether. When the people are actually repairing, it is usually impossible to have too much time. The manual is comprehensive and systematic.
Therefore, as a maintenance personnel, you should understand the structure, content, and scope of the system manual as well as the structure of the machine tool and system, and carefully read some key chapters related to maintenance according to actual needs, clarify the ideas, grasp the key points, and be careful. Needle in a haystack, no way to start.
5. What are the benefits of having a foreign language foundation and a professional foreign language foundation?
Although the number of manufacturers of CNC machine tools in China has been increasing, the key part of CNC machine tools, the CNC system, mainly relies on imports. The supporting manuals and materials often use the alarm text display of the original data CNC system. In order to quickly confirm the cause of the fault according to the prompts of the system and the information provided in the machine manual, and speed up the maintenance process, as a maintenance personnel, it is possible to have the ability to read a professional foreign language and improve the level of foreign languages ​​in order to analyze and deal with problems.
6. What are the proficiency in operating the machine tool and using the maintenance instrument?
The maintenance of CNC machine tools is inseparable from the actual operation, especially during the maintenance process. Maintenance personnel usually have to enter special operation modes that cannot be performed by general operators. For example, setting and adjusting machine parameters through computer and software online debugging using PLC Programmer monitoring, etc. In addition, in order to analyze and judge the cause of the failure, it is often necessary to prepare the corresponding machining program during the maintenance process. The Shenyang machine tool quotation considers that the necessary running test and the workpiece test are performed on the machine tool. Therefore, in a sense, a high-level maintenance personnel should operate at a higher level than the operator, and the ability to use programming instructions should be stronger than the programmer.
7. What are the strong hands-on skills?
Hands-on is the quality that maintenance personnel must possess. However, for the maintenance of CNC machine tools such as precision, key equipment, hands must have a clear purpose, complete ideas, careful operation. Before you start, you should think carefully and observe. It is necessary to make a record in the process of finding the starting point. In particular, the installation position of the electrical components, the wire number, the machine parameters, the adjustment value, etc. must be clearly marked for recovery. After the repair is completed, the work should be done “closedâ€, such as: installing the machine and system cover and fasteners in place; tidying the wires and cables.
Special attention should be paid to the maintenance of the system: some of the modules in the CNC system require the battery to be kept in the teaching. For these boards and modules, it is not allowed to plug and unplug; but it is not possible to understand the use of the device. Under the control of the CNC system, servo drive and other components in the device, set the terminal: any adjustment of the potentiometer position, any change is set to be disrespectful: to avoid more serious consequences.
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