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Eccentricity, diameter, concentricity

The diameter of an object can be established in different ways. If the centre of the object is known, a single sensor is sufficient for the measurement whose result is evaluated with the position of the centre point or the axis. If the position of the centre point is not known, the diameter is measured directly using two sensors. The distance information here is also evaluated together. In particular cases, if the opaqueness of the object allows this, the determination of the diameter can also be made directly using a confocal sensor.

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Bore hole depth

It is essential to measure in bore holes for some applications. In doing so, the depth or the wall structure of a bore hole can usually be measured. Only confocal axial or radial miniature sensors with ...

Ovality inspection on brake pipes using vision4A

For the highly accurate measurement of the roundness of the ends of brake pipes in production with short cycle times, only a precise and versatile vision system is able to fulfill the required rapid data ...

Brake disc concentricity

Brake discs are subject to the highest loads in use and are responsible for the safety of vehicles. For this reason alone, brake discs are thoroughly inspected on test benches. Brake discs are checked for ...

Coil unwinding

Rolled strips in the metal industry are wound on coils for transport. For the later processing when the coils are unwound, it is important to know how much material has already been unrolled. This task is ...

Coil diameter

Rolled strips in the metal industry are wound on coils for transport. For the later processing when the coils are unwound, it is important to know how much material has already been unrolled. This task is ...

Diameter - radial/axial runout - measurement at disk motors

The production of disk motors has to meet the highest mechanical accuracy requirements. In order to ensure perfect functioning of the disk drives the drive units are measured and evaluated with respect to ...

Stainless steel tubes for catalyst production

Various shapes of catalysts require that the stainless steel casing has a precise dimensional stability. For round catalysts, stainless steel tubes are therefore subjected to a diameter check in a special ...

Extruder bore diameter

The idiamCONTROL system has been developed for checking the wear of extruder bores. The measuring cylinder is inserted in the case bore and pushed as far as the upper end. During retraction of the cylinder, ...

Rebound behaviour of the felt

In paper production the paper band is transported over a felt conveyer from the screen station to the pressing station. This felt removes the residual moisture from the paper. For water separation the felt passes ...

Laser sensors support cable banding

Banding machines are used during the manufacture of cables in order to provide cables with a protective sheath. The wire runs centrally through a roll on which the banding material is coiled. The diameter of the roll ...

Bearing shell detection in automotive manufacturing

The presence of the bearing shells is checked automatically for all bearing caps before the assembly of the engines at the Swedish automotive manufacturer, Volvo. The bearing caps are kept in the light band of an optical ...

Oscillation

Measuring oscillation is a frequently occurring measuring task. Oscillations occur in research and development, in machines and plant construction as well as production control and are measured using sensors. Oscillations ...

Diameter of a pulley

Diameter and concentricity are crucial factors for a long service life, due to the high rotational speeds achieved by pulleys. These parameters are evaluated on a special test bed, using four optoCONTROL digital micrometres. Two ...

Acquisition of the internal diameter of tubes

An important criterion for the quality or the wear of tubes in industrial applications is the dimensional conformance of the internal diameter over the complete length. Where high demands are made on accuracy, a quick and reliable ...

Drive controller in precision respooling machines

Laser distance sensors from Micro-Epsilon are used for the respooling machines of the MEMA company from Menden. They continuously measure the diameter of coils there. Finished coils for the merging of several coils are produced from ...

Defects in ovality

In the case of processes where rolls, rollers or other cylindrical objects are rotated very quickly or an extremely constant radius must be maintained, the radial deviations must be checked before and/or during the process. Eddy current ...

Underwater Measurement of axial movement and shaft play

The functional safety of systems of special economic importance often depends on the perfect operation of delivery devices (pumps). Increased radial shaftwhirl, or an axial shift due to termal expansion, are first signs of possible malfunctions. ...

Non-contacting roundness measurement for rollers

In the production of tapes and foils the high speeds of up to 2700 m/min that are used today lead to an increased vibration tendency in the roller stands. Even smallest μm-range irregularities in the rolling contour lead to cross-grooves on the ...

Roller runout

The runout of the roller is a crucial criterion for rolling processes of metals, plastics or other materials. An imbalance is even dangerous for rollers which have to rotate at high speeds. Therefore, the roundness of the roller must be measured ...

Washing machine displacement

Using an inductive displacement sensor, the displacement of the suds container during filling and the spinning stage can be calculated. The correct quantity of detergent can be calculated with the data obtained in this way. The speed for the spinning ...

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MICRO-EPSILON SENSOTEST AB

+46 / 8564 / 733-80
+46 / 8564 / 733-89
info@micro-epsilon.se
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