Daily maintenance of vacuum brazing furnace

03-21-2025       Author: KJ technology

The daily maintenance of vacuum brazing furnace is an important link to ensure its stable operation, extend its service life, and improve welding quality. Here are some daily maintenance suggestions for vacuum brazing furnaces:

1. Cleaning and maintenance

External cleaning:

Wipe the outer surface of the vacuum brazing furnace, especially the heating furnace and vacuum chamber door, with a clean cloth to remove dust and stains.

Internal cleaning:

The interior of the furnace should be cleaned regularly, using tools such as brushes, brooms, compressed air, vacuum cleaners, etc., to prevent impurities such as oxide scales from falling onto the electric heating elements, causing short circuits or damage.

The heat-resistant steel components such as the bottom plate, molybdenum heating rod, and furnace insulation layer should be cleaned after a period of use, and knocking is strictly prohibited. The oxide skin can be carefully removed.

Observation window cleaning:

Regularly clean the observation window on the furnace body to ensure clear observation of the situation inside the furnace. If there are stains on the observation window glass, a specialized glass cleaner can be used for cleaning.

2. Lubrication and maintenance

Lubrication of sliding parts:

Regularly apply lubricating oil to various sliding parts of the vacuum brazing furnace, such as guide rails, sliders, gears, sprockets, etc. Be careful not to use too much lubricating oil.

Vacuum pump lubrication:

Regularly check the oil level of the vacuum pump to ensure that it is within the normal range. If the oil level is too low, it is necessary to add vacuum pump specific oil in a timely manner. It is generally appropriate to check the oil level once a week.

Regularly replace the vacuum pump oil, according to the frequency of use, every 3-6 months. When changing the oil, the old oil should be completely drained first, and then new oil should be added to the specified level. At the same time, check the internal structure of the vacuum pump, such as the pump body, blades, etc., for wear or damage.

3. Fastener inspection

Regularly check whether the fasteners of the vacuum brazing furnace are loose, and tighten them in a timely manner if they are loose. Especially for the connection parts of heating elements, it is necessary to ensure a firm connection to prevent uneven heating or overheating damage caused by loose connections.

4. Electrical component inspection

Regularly inspect the electrical components of the vacuum brazing furnace, such as thermocouples, temperature controllers, voltmeters, ammeters, etc., to ensure their proper functioning. If any abnormalities are found, timely maintenance or replacement should be carried out.

5. Vacuum system inspection

Regularly check the sealing of the vacuum system, and use a vacuum leak detector to inspect pipeline interfaces, valves, and other parts. If any leakage point is found, it should be repaired in a timely manner.

6. Operating environment control

Ensure that the operating environment of the vacuum brazing furnace is clean and dry, avoiding dust and moisture from affecting the equipment.

Maintain good ventilation conditions to prevent the generation of exhaust gas and waste residue during operation from causing harm to operators and the environment.

7. Precautions for use

Avoid excessive heating:

Avoid overheating the vacuum brazing furnace to avoid affecting the service life of the equipment.

Avoid overload use:

Avoid overloading the vacuum brazing furnace and ensure that the equipment operates within its rated range.

Personal protection:

Operators must wear personal protective equipment throughout the entire process, such as fire-resistant clothing, safety helmets, heat-resistant gloves, and protective goggles, to ensure their own safety.

Standardized operation:

Strictly follow the operating procedures of the vacuum brazing furnace, adhere to the correct operating procedures and safety operation guidelines.

8. Regular calibration and maintenance

Regularly calibrate the temperature and vacuum degree parameters of the vacuum brazing furnace to ensure the normal operation of the equipment.

Develop a reasonable maintenance plan based on the usage of the equipment, and regularly conduct comprehensive inspections and maintenance of the equipment.

By implementing the above daily maintenance measures, the stable operation and extended service life of the vacuum brazing furnace can be ensured, while improving welding quality and work efficiency.