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How box furnace maintenance

Time:2019-11-21 09:54 Click:
Muffle furnace in China, GM called the following: Burnout furnace, resistance furnace, furnace, muffle furnace. Muffle furnace is a common heating device. In accordance with the external shape can be divided into a box furnace tube furnace crucible furnace.
1. To ensure accurate measurement, the annual application of DC potentiometer proofread XMT Temperature control device temperature table, in order to avoid large errors.
2. The instrument should be stored in a dry ventilated, non-corrosive gases, ambient temperature is 10-50 ℃, relative humidity less than 85%.
3. regularly check whether the various parts of the hotline is loose, AC contactor contacts is good, failure should be repaired.
4. The user can keep these rules in the course of normal use, is indeed due to the quality of products is not working properly, within one year free repair, replacement parts, until the replacement product. But without the manufacturer to identify the quality of principle, the user shall not disassemble, otherwise the user is responsible for the maintenance fees.
5. type silicon carbide furnace, silicon carbide was found damaged, replace the same specifications and the resistance value of similar new silicon carbide. First remove the protective cover and replace the two ends of the silicon carbide chuck, and then remove the damaged silicon carbide, silicon carbide due to brittle, be careful when installing, exposed ends of the outer portion of the furnace shell should be equal, Chuck must tightened, making good contact with the silicon carbide. If there is severe oxidation chuck should get a new one. Application of silicon carbide slot asbestos rope at both ends of the mounting holes to plug.
Muffle furnace temperature shall not exceed the maximum operating temperature of 1350 ℃. Silicon carbide allows four hours of continuous work at the highest temperature. After quite a long time to use a muffle furnace, such as hair clockwise adjustment knob to the maximum heating power position, the heating current is still stagnant. Distance Rating farther, reach the required heating power, indicating that silicon carbide has been aging. At this point the silicon carbide can be connected in series to parallel, can continue to be used. After you change the connection without dismantling the silicon carbide, simply by changing the connection, and change connection, when used to pay attention to slowly adjust the heating power adjustment knob, the heating current value must not exceed the rated value.
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