Thickness measurement of mineral wool

In addition to the homogeneous material structure, thickness is a quality feature for maintaining the insulating properties of mineral wool. At the end of the production line, the webs are trimmed and milled to standard thickness. To optimise the production effort and to reduce waste, the material thickness is measured on two tracks before the milling cutter. This allows the pre-thickness to be optimised without affecting the final result. Two optoNCDT laser sensors are used for thickness measurement. If larger distances have to be maintained for safety reasons, optoNCDT ILR2250 laser distance sensors are used. The thickness is calculated based on the distance from the mineral wool to the sensor and the support. The measured data is then transferred to the control system.

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