Stavebnictví, stavební materiály

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Asphalt mixing systems - temperature measurement

For temperature measurements in asphalt mixing systems, both the temperature of the mineral discharge and the temperature after mixing are measured. Infrared sensors from Micro-Epsilon are used for this ...

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Building materials – temperature measurement

Micro-Epsilon temperature sensors are always used for the manufacture of construction materials when the monitoring and control of the temperature are critical for the product quality and productivity. ...

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Determination of the thermal conductivity of building materials

An important criterion for the quality of porous concrete is the thermal conductivity. It varies in the final product due to quality differences in the raw materials used (including sand and natural lime). ...

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Measuring the height of concrete blocks

For the final inspection during the production of concrete blocks, a special test bench records the height of the blocks over a number of tracks. On each track, an optoNCDT 1700 laser sensor measure vertically ...

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Lift height measurement for maintenance work on bridges

In certain cases for maintenance work on bridges, the bridge must be raised, for example to replace the supports. Heavy-duty jacks are used for this. The distance at each jack is measured with a draw-wire ...

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3D inspection and surface assessment of roof tiles

The production of roof tiles places high demands on measurement and testing methods for ensuring constant high product quality. In the DASTOKON semi-automatic measurement and test system and in the BSPK ...

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Defect recognition on worktops

Kitchen worktops are now made from a variety of materials, e.g. natural or artificial stone, solid wood and laminate (e.g. HPL). All these materials offer benefits and have special characteristics. However, ...

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In-line detection of protective film on PVC window frames

Company „Schüco“ manufactures PVC window frames. The PVC profiles are provided with a protective film after they are extruded. This film protects the frames from scratches and dirt. The colorCONTROL ...

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Colour detection of kitchen fronts

Kitchens are available in many different colours. In order to guarantee that the customer receives the desired colour, the colorSENSOR OT-3-MA-30-16 inspects the colour of the kitchen fronts in the painting ...

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Colour measurement of the floorboards

Plastic floorboards are made of coloured granules and shaped by deep-drawing. After the production process, it must be guaranteed that the colour of the floorboards is homogenous and that there are no ...

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Plaster hardening - temperature measurement

Stationary Micro-Epsilon temperature sensors are used for optimisation of the additives during plaster hardening. Due to the constant temperature monitoring of the hardening reaction, defects can be detected ...

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On-line inspection of the dimensions of sand-lime bricks

After pressing the sand-lime brick blanks are placed onto a hardening carriage. Even smallest changes in the mixture, moisture, or in the pressing force lead to undefined growth of the bricks and make ...

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Exact crusher gap adjustment in rotary crushers

Rotary crushers for quarries or ore mines can grind up to 3500 t of material to the desired grain size in one hour. For this purpose an eccentric bearing bush generates a rotary-oscillating movement of ...

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Glued wood - temperature measurement

After drying and sorting the wood laminates, they are cut to the required length, glued, stacked and pressed afterwards. They are heated using microwaves for the glue drying and the individual glue layers ...

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Thickness measurement using displacement sensors

Thickness measurement using displacement sensors is a wide application area. Basically there are distinctions between non-destructive/destructive, non-contact/with contact and one-side/two-sided thickness ...

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Automated board measurements in wood production

Electronic Wood Systems GmbH (EWS) has launched the "dimension scan"a new approach to the automated measurement of finished boards. The market leader in measurement systems for the wood processing ...

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3D profile measurement of soil samples

German automation company Visutronik GmbH from Neubrandenburg, Germany has developed a laser scanningdevice to measure surface soil samples for subsequent geometric analysis: roughness, surface type expansion ...

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Damage prevention during production of locking cylinder

The company Aumat (Germany) develops and produces complex production systems for locking cylinders. In order to prevent any damage occurring, the operator must feed the correct blank into the production ...

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Filling level

A filling level measurement situation can arise with a liquid substance as well as with dry, bulky goods. The precise measurement of liquid levels is difficult to achieve, nevertheless, the confocal measuring ...

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Dimensional accuracy of sectional doors

With sectional doors for parquet or laminate flooring, key and slot joints for individual sections are applied. However, these sections are opened and closed frequently. To enable a robust but permanent ...

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Measurement of pre-stressed steel

An inspection system for incoming goods inspection has been developed for a manufacturer of pre-stressed concrete, which detects the profile depth of delivered batches and continuously records this information ...

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Non-contact roller measuring device

In the cement and mineral industry roller mills are used for fine grinding of the raw materials. During the milling process the rollers are subject to high wear, which strongly reduces the quality of milling ...

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Flatness inspection on ceramic wall tiles

In the production of ceramic wall tiles or similar products, a one hundred percent quality inspection is essential. Three laser triangulation displacement sensors measure the deflection of tiles with an ...

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