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  • Maintenance Of Vacuum Drying Oven Precautions
    May 24, 2018


    In the vacuum coating machine, the vacuum drying oven is the most fragile and must be careful to maintain, because many people have accidents during the maintenance of the drying oven, broke the drying oven, and caused many troubles in the later period. And to learn how to maintain the vacuum drying oven!


    When the required working temperature is lower, a secondary setting method can be used. If the desired temperature is 60°C, the temperature can be set to 50°C for the first time, and after the temperature overshoot begins to fall back, the temperature is set to 60°C for the second time. This can reduce or even eliminate the temperature overshoot phenomenon, as soon as possible into the constant temperature state, according to the degree of humidity of different items, choose a different drying time, such as a longer drying time, vacuum degree decreased, need to pump again to restore the vacuum, you should open Vacuum pump power, then open the vacuum valve.


    Matters needing attention to the use of vacuum drying oven:


    1. The enclosure of the vacuum drying oven must be effectively grounded to ensure safe use.


    2. When the vacuum drying oven does not need continuous evacuation, the vacuum valve should be closed before the vacuum pump power is turned off. Otherwise, the vacuum pump oil should be poured into the tank.


    3. Take out the items to be processed. If the items are treated as flammable, they must be cooled to a temperature below the ignition point before they can be put into the air to avoid burning caused by oxidation reaction.


    4. The vacuum drying oven of the vacuum coating equipment is not explosion-proof and must not be put into explosive materials.


    5. It is best to cross the filter between the vacuum drying oven and the vacuum pump to prevent the humid gas from entering the vacuum pump.


    6. When not necessary, do not disassemble the side door at will to avoid damage to the electrical system.


    7. This device should be equipped with a special air switch.


    8. The electrical insulation is intact, and the device shell must have a reliable protective grounding or protection zero.


    9. Vacuum pump should always change the vacuum pump oil.


    12. When the electric heating vacuum drying oven is used, there must be someone to take care of it to ensure the normal operation of the equipment.


    13. When the electrothermal vacuum drying oven is not used for a long time, the items in the working chamber should be taken out and wiped clean to keep the equipment dry.


    14. The abnormal phenomenon of the electrothermal vacuum drying oven should be checked and maintained in time. If the fault cannot be accurately judged, it should be contacted with the technical department of the purchasing company.