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Calibration of temperature equalization of hot air oven.

Test the air flow structure of the drying oven: the temperature uniformity index of drying oven is good or bad, mainly depends on the structure of air flow. The drying box is usually composed of a single duct structure, which is mainly derived from the centrifugal fan system. In this structure, the design of the centrifuge's casing and the design of the guide plate is the key to determine the index.
 
The locking device of the gate: the drying oven with over 400 degrees is high in temperature and the material is deformed after being heated. The past hot air oven door is to use single point lock, but at temperatures above 400 degrees, after the door deformation door closed lax with enclosure, leading to the gate leakage heat, body on the outside of the temperature on the low side near the door in the working chamber affect the evenness index in the cabinet.
 
The air flow structure of the single duct is doomed to pass through the specimen shelf. The general drying box has at least two shelves, and the special requirements are even more. The shelf in the past is made of plate punching and bending. However, in order to ensure its strength, the aperture density of the shelf cannot be too large, which leads to the excessive resistance of the air circulation and the uniformity of the temperature from the surface.
 

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