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Vacuum Annealing Furnace Maintenance

Speaking of vacuum annealing furnace, we can all know that it is used for heating in vacuum environment. In recent years, the use of vacuum furnace has become more and more widespread. Vacuum furnace has the characteristics of energy saving and environmental protection, can reduce energy consumption, long life is increasingly recognized by the majority of users. Vacuum furnace has exquisite technology, so more routine preventive maintenance work is needed.


1. Vacuum annealing furnace is a kind of electronic equipment, which requires clean working environment, but in fact, few manufacturers can do it. Smoke dust is more, these dust and soot into the machine, will corrode the circuit board, although the factory has done the dipping treatment, but for a long time, the pins of electronic components will also produce leakage resistance, affecting the normal working state of the vacuum furnace. It is also necessary to affect the service life of vacuum furnace. It is suggested that in harsh environment, it is better to install an exhaust fan to discharge soot and dust outdoors to avoid entering or entering the machine as little as possible. Dust the machine regularly.


2. Attentions of vacuum furnace in summer, high temperature and humidity in summer. If the temperature of circulating water in vacuum furnace is too low, it will condensate on the cooling water box inside the machine and the secondary coil of transformer of high frequency furnace. Water dripping will occur when the humidity is very high. It is recommended that a circulating water tank or pool be filled with cold water continuously when the water temperature exceeds 30 degrees. If the machine temperature rise is too high, we should also consider adding fans to increase heat dissipation.


In winter, the temperature is low, and the cooling water is easy to freeze. Especially the vacuum furnace works in the daytime, does not work at night, and the cooling water in the vacuum furnace is not emptied in time. It is easy to freeze the machine. Generally, the secondary damage of transformer in high frequency furnace is more. Maintenance is time-consuming and laborious. On-site maintenance is limited by tools, equipment and site. Generally, it can only be repaired back to the original factory. The solution is to stop the high frequency furnace, empty the circulating water left in the machine in time, or add a timing device to make the circulating water pump work intermittently. I have installed a lot of units for customers, and the effect is very good.


3. The outside surface of the vacuum furnace is often wiped, and the operation is clean and clean.


4. Vacuum pumps, valves, measuring instruments, thermal instruments, electrical components and other accessories are maintained and maintained according to the technical specifications of the products.


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