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Width

The width of an object is often an important aspect for dimension control. The width can in some circumstances be interpreted as thickness and can therefore be resolved using thickness measurement. Different measuring principles come into consideration for the width measurement depending on the size of the object. For large objects such as strip material or packages, the measurement data from two sensors are usually calculated together. Optical methods such as Thru-Beam laser micrometers, laser sensors or eddy current and capacitive sensors are suitable for this. One sensor which measures the object width with one measurement is often sufficient for smaller objects such as individually packaged goods. scanCONTROL split beam sensors or vision4A image processing systems are suitable for this.

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Inspection of sockets

There are many uses of sockets in the automotive area. The dimensionCONTROL system is used for the quality inspection of these parts. An optical micrometer at the machine entry checks the size of the sockets. ...

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 diameter, ...

Monitoring the commutator in electric motors

The “eddyNCDT” system offers many advantages for the non-contact monitoring of the mechanical condition of the commutator in electric D.C. motors or generators. The system uses the eddy-current measuring principle, ...

Vibration displacement measurement in road tests

With cars, tests on the running gears form the basic requirements for driving safety. Here sensors are needed which can also withstand the high demands of road tests. As an example, draw-wire sensors are mounted in parallel ...

Co-planarity of IC-pins

The term „co-planarity“ discribes the proper seating of the tips of fine-pitch device leads on the copper pads on a PCB prior to solder process. The coplanarity is a critical dimension for the quality of the soldered joints, ...

Deformation measurement on lightweight structures

Specially designed measurement systems, which record the surface contours without reactive effects on the lightweight structures, are employed for the examination of component deformations under load. To achieve this, two laser-based ...

Measurement of the radial deviation on superconducting magnets

At the Institute for Solids and Materials Research (IWF) Dresden a motor with magnetic bearings has been developed using high temperature superconductors which can be employed for feed pumps for liquid nitrogen. The most important application ...

Vibration test of wet razor

Modern wet razors provide the function of supporting the shave using vibration. A functional test is performed at the end of production for these models. The razor is switched on and placed in the light band of the optoCONTROL optical micrometer. ...

Non-contact measurement of relay contact movement

Even the layman can detect wether a relay is energized or not. The question how on the other hand, is difficult to answer even for the expert. What he needs to know is the timing of certain specific parameters such as pick-up delay, armature play, ...

Automatic inspection and repair of marine propellers

Deformed ship propellers are bent back to their original condition using special machines. Previously, this work was performed manually but today it has been replaced by automatic systems. The current shape of the propeller is measured and stored using ...

Impact

When an object experiences an impact it is subjected to a specific, directional linear movement. This directional movement is so minute that it can only be detected in the nanometer range. The objects composition and the needed precision of measurement ...

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 ...

Examination of the oscillation behaviour of toothed-belt camshaft drives

To examine the influence of various system and operating parameters on the dynamic behaviour of multi-disk drives a belt oscillation test bench has been set up which simulates the toothed-belt drive system of a direct injection motor vehicle diesel engine. ...

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