The contactless transport of flat glass comes into play especially in the production of thin glass, e.g. display glass with thicknesses of 0.35-1.1mm. Due to the extremely high demands on surface quality, microcracks and scratches on the glass surface must be avoided. Especially transport contacts (rolling) of the glass after melting cause smallest damages on the glass bottom side, which can only be removed by complex grinding and polishing works. Due to the very low glass thickness, this work is lengthy and expensive, and the damage generates high scrap rates depending on its type and size (depth).
With the help of the research project, it was possible to prove that using ultrasonic oscillators, non-contact transport can also be realized in the hot area, as the glass is thereby placed in a state of suspension.
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