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Matters needing attention when using vacuum tube furnace
Time:2020-07-03 09:54 Click:
  Maintenance and precautions of vacuum tube furnace:
vacuum tube furnace
1. When the vacuum tube furnace is used for the first time or reused after long-term shutdown, the furnace must be dried. The drying time should be room temperature 200 ℃ for four hours. The furnace temperature should not exceed the rated temperature to avoid burning the electric heating elements. It is forbidden to pour various liquids and soluble metals into the furnace. It is better to work below 50 ℃ below the maximum temperature, At this time, the furnace wire has a longer life

2. Vacuum tube furnace and controller must work in the place with relative humidity no more than 85, no conductive dust, explosive gas or corrosive gas. When metal materials such as grease need to be heated, a large amount of volatile gas will affect and corrode the surface of electric heating element, which will destroy and shorten the service life, When heating, the sealed container or proper opening should be prevented and eliminated

3. According to the technical requirements, regularly check whether the wiring of electric furnace and controller is in good condition, whether the pointer of indicator is stuck or not when it moves, and calibrate the error increase caused by magnetic steel, demagnetization, wire expansion, fatigue of shrapnel and balance damage with potentiometer

4. The controller of vacuum tube furnace should be used in the range of 0-40 ℃

5. Keep the furnace clean and remove oxide in the furnace in time

6. The thermocouple should not be pulled out suddenly at high temperature to prevent the jacket from bursting

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