Centering, positioning, tilt, alignment

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Web-edge detection in the calender of a paper machine

If movement of the paper web in the calender is not exactly executed in one line, the heated calender roller is pressed directly onto the coating of the opposite roller, which can damage it. Repairing ...

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Measuring system for strip position monitoring in a coating tank

In the electrolytic refinement of thin sheets electrical losses are minimised by a small distance between strip and anode. This requires exact strip guidance. Before the strip enters the coating tank it ...

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Sheet edge measurement prior to laser welding

The company „Paul von der Bank“ in Hilden (Germany) develops and manufactures modular-designed robotic welding cells and fully automatic production and processing lines. To ensure high production quality ...

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Precise positioning of a surgical microscope

Surgical procedures require a perfect view of the operating area. Here, the surgeon is often supported by a surgical microscope. To enable the surgeon to best position the microscope and to give the surgical ...

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Automatic paper roll control

In paper production the prepared paper pulp flows onto a conveyor belt of fine wire mesh at the so called "wet end". There most of the water is removed by means of a vacuum. The paper web is ...

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Distance measurement at 4 degrees Kelvin

In Atomic Force Microscopy (AFM), positioning units are used to move samples for surface topographies. In doing this, the sensor head of the microscope needs to be cooled down to four degrees Kelvin using ...

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Automatic positioning of synchroniser discs

Synchroniser discs are used as a synchroniser package in automatic transmissions. Behr Systems in Germany created a handling and processing plant for deburring the front side of the synchroniser discs ...

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Positioning of operating tables

Operating tables provide many adjustment options for the correct positioning of the patient during the operation. As well as the height, the horizontal position and angle functions can also often be adjusted. ...

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Position measurement on X-ray machines

For highres pictures of digital X-ray machines, the camera must be exactly adjusted to the X-ray tube. For pretty flexible operation, different axes are electrically moveable. Therefore, the adjustment ...

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Measuring vibrations on an engine manifold

Optimizing the processes within an internal combustion engine is becoming increasingly important in this day and age. A whole series of measurements is vital for engine management purposes. The temperature ...

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Angle measurement in the SoloAssist®

Minimally invasive surgery using endoscopes is performed today for many operations. The guidance of an endoscope was previously performed by an assistant doctor. The camera guidance task in the future ...

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Reflector tilting for satellites

Satellites communicate with one another using laser beams. For this communication, the transmitter must be very precisely aligned with the receiver. The laser beam is stabilised using a deflection mirror. ...

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Tracking control of gantry and overhead cranes

Rail-guiding elements (wheel flanges, guide pulleys) ensure that the crane stays on the rails. Due to uneven distribution of mass, track errors, rails offset and different driving speeds, the rail-guiding ...

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Pneumatic slide valve position

Pneumatic control valves are employed in chemical engineering for regulating liquid and gaseous media. In order to achieve a constantly high level of process reliability, the flow rate must be controlled ...

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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 ...

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Displacement sensor for nanopositioning tasks

Very small displacements, both static and dynamic, are normally generated by piezo actuators. High precision displacement sensors ensure that these displacements are measured to the required nanometre ...

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