CNC system as the core part of the CNC cutting machine, its correct operation and maintenance, in the use of CNC cutting machine is very important, because it is directly related to the CNC cutting machine work efficiency, processing accuracy and service life. In order to provide better services for CNC cutting machines, we must carry out necessary maintenance of the CNC system. Specific considerations are as follows:
1. Formulate a comprehensive system of routine maintenance of the numerical control system;
2. Regularly maintain the input/output devices of the CNC system;
3, regular inspection and replacement of DC motor brushes;
4, as little as possible to open CNC cabinets, especially strong cabinet doors;
5. Regularly clean the cooling ventilation system of the numerical control device;
6. When the CNC system is not used for a long time, regular maintenance is also required;
7, often concerned about the numerical control device with the grid voltage;
8. Regularly replace the battery for memory;
9, the maintenance of spare printed circuit boards. For the purchased spare printed circuit board, it should be periodically mounted on the CNC device and run for a period of time to prevent damage;
10. Do a good job of preparatory maintenance:
Spare parts preparation: If the parts or components of the CNC system are damaged, the system will fail. In order to eliminate problems in time, users should prepare some common spare parts;
Technical preparation: maintenance personnel should fully understand the performance of the system in peacetime;
Tool preparation: As an end user, the repair tool only needs to prepare some conventional instruments and equipments, such as AC voltmeter, DC voltmeter, which may be of the analog or digital type. The measurement error is within ±2%.
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Oxide powder for thermal spray refers to a type of powder material that is used in thermal spray processes. Thermal spray is a coating technique where a material in powder form is heated and propelled onto a substrate, forming a coating.
Oxide powders are commonly used in thermal spray applications due to their high melting points, excellent wear resistance, and thermal insulation properties. They can be used to create protective coatings on various surfaces, such as metals, ceramics, and plastics.
Some common types of oxide powders used in thermal spray include:
1. Aluminum oxide (Al2O3): This oxide powder is widely used for its high hardness, wear resistance, and thermal insulation properties. It is commonly used for coating applications in industries such as aerospace, automotive, and electronics.
2. Zirconium oxide (ZrO2): Zirconium oxide powder is known for its high melting point and excellent thermal barrier properties. It is often used in thermal spray coatings for gas turbine engine components, where thermal insulation is critical.
3. Chromium oxide (Cr2O3): Chromium oxide powder is used for its high hardness, corrosion resistance, and wear resistance. It is commonly used in applications where high temperature and abrasive wear resistance are required.
4. Titanium oxide (TiO2): Titanium oxide powder is known for its high refractive index and excellent UV resistance. It is often used in thermal spray coatings for optical and decorative applications.
These oxide powders can be applied using various thermal spray techniques, such as flame spraying, plasma spraying, or high-velocity oxy-fuel (HVOF) spraying. The choice of oxide powder and thermal spray technique depends on the specific application requirements and desired coating properties.
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