N° 58
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透明なガラス板の距離測定 ガラス板の処理中に、ガラス方面の距離を検査します。面取り工程中、研磨機の研磨ブロックに対して対称的にガラス板のエッジを供給しなければ、ガラス板の両側の面が異なってしまいます。ガラス表面は散乱反射光をほとんど運ばず、直接反射光だけを運ぶことから、標準的な変位センサは使用できません。
Distance measurement on transparent glass plates
During the handling process of glass plates the distance of the glass surface must be controlled. As during the beveling process the glass plate must be positioned in a way that the glass edges can be feed symmetrically into the abrasive block of the grinding machine, otherwise the phases on both sides of the glass plate are different. Due to the fact, that the glass surface delivers nearly no diffuse reflected light but only direct reflected light, a standard laser displacement sensor cannot be used.
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