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• Common mechanical problems in powder coating industry（One）

  

  Aug 01, 2025

  Problems in the curing process： The curing temperature is not uniform The uneven temperature in the curing process is a major cause of inconsistent coating quality. Too high or too low curing temperature will affect the hardness, adhesion and appearance of the powder coating.   Common causes：      Inaccurate temperature control in the furnace: The temperature control system of the curing furnace is faulty, resulting in excessive or low temperature in some areas of the furnace.       Uneven material arrangement: If the coated objects are not arranged evenly in the curing furnace, some objects may not be heated uniformly, thus affecting the curing effect.   resolvent ：      Regular calibration of the temperature control system of the curing furnace: ensure uniform temperature distribution of the curing furnace and avoid local temperature fluctuations.        Optimize the arrangement of objects: arrange the position of objects in the curing furnace reasonably, avoid dense arrangement, and ensure that each object can be evenly heated.        Use of hot air circulation system: efficient air circulation can help to evenly distribute heat and reduce local overheating or cooling. The curing time is too short or too long   Too short or too long curing time will affect the final effect of the coating. Too short curing time may lead to incomplete curing of the coating, resulting in insufficient hardness and poor adhesion; too long curing time may lead to yellowing of the surface and brittle coating. Common causes：     The heating time of the curing furnace is not set properly: the temperature in the curing furnace rises too fast or too slow, resulting in too short or too long curing time.     Incompatible powder coating types: Different powder coatings require different curing times and temperatures, and the use of unsuitable coatings may lead to unreasonable curing time.

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