Fourth, the commonly used CNC machine tools repair method <br> <br> numerical control equipment maintenance is a very complex, high-tech job, CNC equipment and general equipment have a greater difference.
1. Using the self-diagnosis function of the numerical control system, the general CNC system has a relatively complete self-diagnosis system. Whether it is a FANUC system or a Siemens system, the CNC system can make a certain range of self or interface to itself or during operation. diagnosis. Maintenance personnel should be familiar with the system self-diagnosis of various alarm information. According to the specification, the fault range is determined to locate the faulty components. For the imported CNC system, the board level can only be positioned to the board level. The chip level maintenance can generally rely on the after-sales maintenance department of each CNC system.
2. Logic lookup using PLC program Now the general CNC control system has PLC controller, mostly built-in PLC control. The maintenance personnel should analyze the machine control electric appliance according to the ladder diagram, and visually see the state of the CNC system I/O on the CRT. Through the logic analysis of the PLC program, it is convenient to check the existence of the problem, such as the self-diagnosis page in the FANUC-OT system. According to the drawing PLC ladder diagram, the interface between the machine tool and the CNC system is faulty to determine whether the fault location is mechanical, electrical, hydraulic or pneumatic.
3. Full communication with the operators on the spot The on-site operator is the closest partner of CNC machine tools, and the operator is also the first discoverer of various faults. Therefore, after the fault occurs, the maintenance personnel should generally not rush to start, fully communicate with the operator first, and carefully inquire about the working state, the form of the machine, the consequences, whether it is a misoperation, the fault can be caused when the fault occurs. No reproduction, etc., which helps maintenance personnel to quickly analyze and determine the cause of the failure.
V. Conclusion
As a high-precision machining equipment, CNC machine tools integrate mechanical, electronic, computer and many other disciplines. Therefore, the requirements for professional management and maintenance of CNC machine tools are getting higher and higher. The main problems of CNC equipment are available. It comes down to: management, repair and improvement. That is to implement scientific equipment management methods, to maximize the effectiveness of numerical control equipment, strengthen maintenance and repair strength, establish a professional maintenance team of mechanical, electrical, power, computer hardware and software, improve the theory of operation, programming, maintenance and management personnel, The advanced level of technical management.
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Welded WIRE MESH Rolls: Welded wire mesh rolls are flexible rolls of wire mesh that are made by welding steel wires together at their intersections. They come in various widths and lengths and are commonly used for a wide range of applications, including fencing, animal enclosures, garden protection, and reinforcement in concrete. Welded wire mesh rolls offer strength, durability, and ease of installation, making them a popular choice for both residential and commercial projects.
Hot-Dip Galvanized Welded Wire Mesh: Hot-dip galvanized welded wire mesh is a type of welded wire mesh that has undergone a galvanizing process. In this process, the mesh is immersed in a bath of molten zinc, which forms a protective coating on the surface of the wires. The zinc coating provides excellent corrosion resistance, making hot-dip galvanized welded wire mesh suitable for outdoor applications where exposure to moisture and harsh environments is expected. It is commonly used for fencing, construction, and industrial purposes.
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These different types of wire mesh, including welded wire mesh rolls, hot-dip galvanized welded wire mesh, hot-dip zinc welded wire mesh, and hot-dip galvanized iron wire mesh, offer varying levels of corrosion resistance and durability. The specific choice depends on the intended application, environmental factors, and the level of protection required.
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