前进方向前段有辊印的原因： Reasons for the roll marks on the front section of the glass tempering furnace :
1 ）入炉光电异常，导致光电计算玻璃长度错误，因此造成玻璃间距较正常时缩短。 ( 1 ) The photoelectricity of the furnace is abnormal, which causes the length of the glass calculated by the photoelectricity to be wrong, which results in shorter glass spacing than normal. The roller accelerates when it is out of the oven. The speed of the roller is not restored to the main speed of the glass tempering furnace when the acceleration of the front glass is not completed. As a result, the front end of the next glass has contacted the high-speed roller. Roll marks appear. 2 片玻璃间距比正常间距缩小时，第 2 片玻璃的前端部分会出现辊印。 The main phenomenon of this kind of roll printing is the inconsistency of the glass spacing after the baking. When the spacing between the two sheets of glass is narrower than the normal pitch, the front end of the second sheet of glass will be rolled.
2 ）由于入炉段辊子速度比玻璃钢化炉主传动速度快，导致玻璃进入玻璃钢化炉后玻璃间距缩短，比如在入炉口处玻璃间距为 300mm ，但是玻璃钢化炉内可能只有 250mm 。 ( 2 ) Because the roller speed in the furnace section is faster than the main transmission speed of the glass tempering furnace, the glass spacing is shortened after the glass enters the glass tempering furnace. For example, the glass distance at the furnace entrance is 300mm , but the glass tempering furnace may only be 250mm . This situation also causes roll marks to occur in the front end portion of the glass in the forward direction.
The above is the reason why there are roll marks in the operation of the glass tempering furnace. I hope it will be helpful to everyone.
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