1 Introduction <br> <br> CNC technology is a mechanical movement and the work process with digital information control technology, CNC numerical control technology for the new device is based on technology represents the penetration of the formation of the traditional manufacturing industries and emerging processing and manufacturing of machinery Mechatronics products, whose technical scope covers many areas of manufacturing, are the key equipment for modern manufacturing and the key equipment for enterprises to improve efficiency and competitiveness.
The correct operation and maintenance of CNC equipment is one of the key factors for the correct use of CNC equipment. Proper operation can prevent abnormal wear of the machine tool and avoid sudden failures. Doing routine maintenance can keep the equipment in good technical state, delay the deterioration process, and discover and eliminate hidden troubles in time to ensure safe operation.
2 Problems that should be paid attention to when using CNC equipment
2.1 The use environment of numerical control equipment To improve the service life of numerical control equipment, it is generally required to avoid direct sunlight and other heat radiation, and to avoid places that are too humid, excessive dust or corrosive gas. Precision CNC equipment should be kept away from equipment with high vibration, such as punching machines and forging equipment.
2.2 Good power supply guarantee In order to avoid the influence of large fluctuations of power supply (greater than ±10%) and possible transient interference signals, CNC equipment is usually powered by dedicated line (such as separate from the low-voltage distribution room for CNC machine tools) or added Pressure devices, etc., can reduce the impact of power quality and electrical interference.
2.3 Formulating effective operating procedures In the use and management of CNC machine tools, a series of practical and effective operating procedures should be developed. For example, lubrication, maintenance, rational use and standardized handover system are the main contents of the use and management of numerical control equipment. Formulating and complying with operating procedures is one of the important measures to ensure the safe operation of CNC machine tools. Practice has proven that many faults can be reduced by adhering to operating procedures.
2.4 CNC equipment should not be stored for a long time. After the purchase of CNC machine tools, it should be fully utilized, especially in the first year of operation, so that the vulnerable parts that are easy to fail are exposed as early as possible, and can be eliminated within the warranty period. During processing, the CNC machine tool spindle is turned on and off as much as possible to reduce wear on components such as clutches and gears. When there is no processing task, the CNC machine tool should be energized regularly. It is best to power it once or twice a week, and run it for about 1 hour each time to reduce the humidity inside the machine by using the heat generated by the machine itself, so that the electronic components will not get wet. At the same time, it can also find out whether there is a battery low alarm in time to prevent the loss of system setting parameters.
3 Maintenance of CNC machine tools
There are many types of CNC machine tools, and various types of CNC machine tools have different characteristics due to their functions, structures and systems. The contents and rules of maintenance and maintenance also have their own characteristics. The specific regular and grading maintenance system should be formulated and established according to the type, model and actual use of the machine tool and with reference to the requirements of the machine tool manual. Here are some common, general-purpose routine maintenance points.
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