The most effective method for the failure of the intermediate frequency furnace is to use a small current experiment to judge whether the rectifier circuit is faulty or part of the inverter fault. When the DC current is less than 513 volts during the small current experiment, it indicates that the DC rectifier part has a phase loss fault. It is the thyristor fault, the method of breaking pulse should
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Motor end intermediate frequency brazing temperature automatic control system
Intermediate frequency furnace safety operation rules
Method of selecting ＂induction melting furnace＂
Induction melting furnace safe use, safe operation method
1 , precautions before opening the furnace
The induction melting furnace must inspect the electrical equipment, the water cooling system ( closed-loop cooling tower ) , the inductor copper tube, etc. before the furnace is opened .
2 , precautions after opening the furnace
After the induction melting furnace is opened, the charging should be checked during the loading to avoid mixing with flammable and explosive materials. In order to avoid an explosion accident, it is necessary to ensure that there is no water and no obstacles on the site . In the pouring, two people need to cooperate, and the remaining molten steel can only be dumped at a fixed location, and cannot be dumped anywhere.
3 , precautions during maintenance
When the induction melting furnace is used for maintenance, keep the room clean and do not stack flammable and explosive materials. Repair the furnace with excessive melt loss in time, and avoid the incorporation of iron filings and iron oxide in the furnace to ensure the compaction of the crucible.
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