Start and heat the glass tempering furnace to the rated operating temperature. Monitor and measure the temperature in the furnace using a thermometer, while recording the heating time with a stopwatch. The heating time refers to the time it takes for the average temperature of each temperature controlled area to reach the rated operating temperature after the furnace door is closed.
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2020年3月17日星期二
What effects do the ceramic rollers in the furnace have on the flatness of tempered glass?
The repeated use and cleaning of the ceramic rollers over time inevitably lead to wear, especially when sanding is required to remove some tough deposits on the rollers. To heat the glass on the rollers with an uneven surface or out of roundness to the transition temperature will certainly result in deformation.
Although the ceramic rollers used in the glass tempering furnace have superior thermal stability and high resistance to thermal shock, the possible unevenness of its internal structure may also lead to deformation under high temperatures. The thermal deformation of rollers will cause the ceramic roller bed to bend, leading to the deformation of glass conveyed on the roller surface.
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