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Machine building today is more automated than ever before. Displacement measurement for assurance of the functions is being used more and more. Displacement measurement also plays an important role for the achievable precision today of the various systems. Micro-Epsilon itself has acquired particular competence in its System Department.

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Width

The width of the object is often an important dimension for the dimension control. The width can in some respects also be interpreted as thickness and in this case can be resolved using thickness measurement. Different ...

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 various characteristics ...

Inspection of rotationally symmetrical parts

The scanCONTROL laser scanner is used for part inspection of various hypoid-tooth components and a digital model of the tooth structure of the component is generated by the measurement system. In this way, the 3D point cloud can ...

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 measuring system. A confocal ...

Shape measurement of rotation symmetrical parts

As rotary pistons for pumps must have very precise surface geometries, the pistons have to undergo 3D shape measurement. The scanCONTROL laser scanner is moved vertically by a linear axis in a special measuring machine. In doing so, the ...

Thermal milling spindles

Accuracies of a few micrometres must increasingly more often be achieved for the parts machining using machine tools. In doing so, the heat development during the machining and in the tool holder is not insignificant. The thermal expansion ...

Measurement of large geometries with precision machines

Measuring complex part geometries is a task for the scanCONTROL laser scanner. Laser scanners are used in the precision machines of EHR in order to perform a component inspection at high resolution and without contact. The special feature is ...

Overhead conveyor distance

Overhead conveyors which move automatically through the production process on a rail are used for the transportation of many components. A certain minimum distance is required so that components do not collide with each other during the transport. ...

Engagement length control in high performance screwdrivers

Industrial screwing in automated production systems is carried out by automatic screwdrivers. Apart from the torque, the engagement length is the most important criterion for the quality of the screwing operation. Generally, the engagement length, ...

System for testing the risk of creaking with combinations of materials

Ziegler Instruments in Mönchengladbach, Germany develops  and  manufactures  test  systems  that  are  able  to predict the risk of creaking noises due to stick-slip vibrations. In this way, the movement of different material combinations ...

Coordinate measuring machine

Coordinate measurement machines from Zeiss have been known for decades for the highest quality, precision and reliability. Also the mobile measurement machine, ScanMax fulfills these criteria, in part due to the application of inductive displacement ...

Jib lengths of mobile cranes

The current jib length is important when calculating the torque of the load on the crane. This length is measured with an integrated draw-wire sensor. This simple and telescopic measuring principle makes wire sensors predestined for the task. The sensors ...

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 measurement. The Micro-Epsilon measuring techniques ...

Tester for pneumatic actuator

So-called muscles are developed as alternatives to hydraulic cylinders. The hose made of rubber contracts when it is filled with compressed air. An in-house tester has been developed for testing this muscle. A sensor from the optoNCDT 2200 series in this tester ...

Tester for (railway) wheel rim measurement

Testers are integrated in the track bed for the wear control of wheel rims on trains. The profile is checked during the passage of the train. Point-type and line-type lasers measure the diameter and the profile of the wheel. Thus, a precise statement of when the ...

Completely automatic 3D repair welding

For heavy equipment such as soft coal excavators, it is often cheaper to repair parts than to replace them. For the repair of chain links during maintenance work, the worn material is welded on again by a robot. In order to automate this process, a 3D surface scan ...

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 sensors on each level detect the outside ...

Checking the accuracy of robot trajectories

The measurement of the trajectory accuracy or its reproducibility is carried out along a diagonal straight line in space. The robot moves the measuring head, which is fitted with sensors, along a steel rule. The deflection of the 2m long rule due to its own weight is compensated ...

Position checking on robots

The introduction of the international standard ISO 9283 demands new non-contacting measurement methods. The measurement system for the position measurement is composed of a measurement cube with a defined weight, a sensor and a support. The sensor is equipped with six U15 eddy current ...

Draw-wire displacement sensors take measurements in pipe trade

In the piping industry orders are placed for fixed lengths of a certain type of pipe. The available pipes with different lengths are transported from the stores to a measurement table to process the order. Here, pipes are inserted one after the other and the partial lengths summed up using ...

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 recording of the data must be ensured, because, for example, ...

High precision pipe measurement

High precision pipe measurement Pipes, fittings and sleeves are inspected using random sampling for their dimensional accuracy in a special system. Sensors of the optoNCDT 1700 series rotate mounted on a plate. The laser beam is deflected by 90° by an adjustable mirror for the measurement. ...

Deflection of rotor blades

Mechanical loads on wind turbine rotor blades are measured using a test rig at the Fraunhofer Institute IWES, Bremerhaven. The rotor blades are mounted on the test rig and adjusted using cable winches. Displacement is measured by using several wireSENSOR P115 draw-wire sensors.

Measurement of key profiles

In the production of security keys, the correct blank must be located in the machine before grinding of the teeth can be checked. An optoNCDT 2200 laser sensor traverses across the profile, recording the surface profile precisely while doing so. A measurement profile without any gaps and a very ...

Gap detection on glass

Glass substrates are required for certain medical tests. During manufacture of silicon chips, the substrate is milled in a defined grid with a depth of 800µm. For separation, the substrate is broken at pre-defined breaking points in a breaker station. For this, the glass pane must be positioned ...

Spindle growth

Spindles of machine tools are subjected to high mechanical load. This load results in thermal expansion of the spindles. The associated change in length causes a certain positioning error for the work to be performed. The SSW sensor is directly integrated in the spindle and measures the thermal expansion ...

Automatic contour and parts measurement

Various sensors from Micro-Epsilon are used in measuring machines for universal parts measurement. Depending on the object, the measuring machine is equipped with a confocal sensor, a point laser sensor or a laser scanner. Resolutions down to 0.2µm are achieved by this measuring machine.

Speed measurement on automatic abrasive cutting machine

Tiles and special bricks are processed according to their type on automatic abrasive cutting machines. The objective is fast throughput times with the best quality result. Here, the setting parameters for the rotational speed, the circumferential speed of the cutting disk and the feed rate of the movable ...

Eddy current sensors in tribology testers

Eddy current sensors from Micro-Epsilon are used for various measurement tasks in tribology testers of the ITR in Clausthal. They withstand the harshest ambient conditions there as they measure directly on the shaft in the tester. A tester with water lubrication and a tester which examines plain bearings for ...

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 ring-shaped metal bands in this system. In doing so, the diameter is crucial ...

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 sensors for metallic objects or capacitive or laser triangulation sensors ...

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. Measuring axial movement and shaft play will reduce downtimes of ...

Vibration

Vibrations play a large role in the manufacturing industry. There is always vibration where products are in motion. In many cases, this is perceived as an interfering factor and must not exceed specified limits for amplitude or frequency. Non-contact sensors from Micro-Epsilon with high cut-off frequencies are ...

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 rolled material and thus clearly reduce the quality of the product. ...

Monitoring the clamping of tools

Modern, high performance machine tools are now achieving accuracies of just a few micrometers or even less. Such precision can only be achieved by optimum matching of all components, starting with the drive, then the release unit, tool clamp through to the tool itself. Since most components are permanently installed ...

Machine tool clamping position

An inductive sensor according to the VIP principle is used for displaying the movement of the clamping cylinder in machine tools. The sensor is integrated in the clamping device and determines the axial position of the clamping cylinder. The displacement signal is routed to a control unit which provides programmable ...

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