Bad damage to edging in tempering furnace pretreatment!

[China Glass Net] 1. During the heating and cooling process of the glass without edging or fine grinding, the defects of the edge of the glass are prone to the danger of “fried furnace” and wind explosion due to excessive concentration or uneven stress. Causes relatively large damage to the equipment. 2. If the glass is not edged or roughened before entering the furnace, there will be tiny glass slag particles on the sides. When the equipment is driven and oscillated, these tiny slag particles will fall on the roller table. Especially when it falls onto the ceramic roller table in the furnace, the pressing of the glass at high temperature will adhere to the ceramic roller. After the glass passes, it will produce more serious pitting, and it must be after this condition It can be solved by thoroughly stopping the ceramic roller after cooling down. Frequent shutdown of the furnace will not only increase the operating cost of the equipment, but also adversely affect the service life of the equipment. 3. The glass without fine grinding When the roller is driven on the roller, it will cause different degrees of damage to the roller surface. Especially the damage to the ceramic roller will be irreparable. Similarly, for shaped glass, trenching, punching, etc., after cold working The processing site for edging or chamfered to ensure that no cracks or edge of the burst.

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