Durchmesser messen ist besser: Fluidisch angekoppelte Durchmessermessung bei Drehmaschinen

Molitor, Martin; Klaeger, Siegfried

doi:10.1524/teme.1998.65.9.308

Cited by 6 publications

(4 citation statements)

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“…Instead, it employs the same procedure of signal generation and acquisition as the system presented by Molitor and Klaeger [13]. Both systems send a sinusoidal burst with 10 -20 periods into the workpiece and evaluate the ultrasound signals with phase determining algorithms.…”

Section: Principle Of Operationmentioning

confidence: 99%

“…It consists of 5 ultrasound transducers coupled via cooling lubricant jets including fast signal generation and recording electronics. The system is based on a time dependent phase measurement of ultrasound echoes, reflected by the workpiece surface and reaches a resolution of less than 10 lm for the outer diameter of the workpiece [13]. Another system is used for the in-process wallthickness measurement of turned gas cylinders.…”

Section: Introductionmentioning

confidence: 99%

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In‐process measurements of wall thickness deviations during turning

Stöbener¹,

Goch²

2009

Materialwissenschaft Werkst

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During the turning process of a ring, the clamping force of the chuck causes circumferential deviations in the ring wall thickness and diameter. This paper focuses on an ultrasonic in-process measuring system which is a prerequisite for in-process compensation of the wall thickness deviation during turning using a fast tool servo. The presented system is coupled to the ring via a cooling lubricant jet and determines the phase difference between the echoes of an ultrasound burst, which are reflected from the outer and the inner ring surface. In order to ensure an accurate operation of the system in a turning centre, the influences of different operating conditions on the signal quality (amplitude height and variation, uncertainty of phase determination) were examined. The wall thickness measurement results of the ultrasonic system were compared with reference data from a coordinate measuring machine. As the observed differences between both methods are sufficiently small, the ultrasonic system is applicable to the in-process compensation of wall thickness deviations in a turning process.

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Section: Principle Of Operationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

In‐process measurements of wall thickness deviations during turning

Stöbener¹,

Goch²

2009

Materialwissenschaft Werkst

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“…One aspect of the integration is communication with the various devices of the machine tool (®gure 7). The measuring module must carry out the following tasks (Shawky and Elbestawi 1996, Molitor and Klaeger 1998, Pfeifer and Benz 1998. Figure 7.…”

Section: Integrationmentioning

confidence: 99%

“…also contains the supply pump for the coupling jet to minimize the complexity of the measuring system (®gure 13). The coolant lubricant jet can bridge a gap up to 50 mm between the jet nozzle and the surface of the measured tube (®gure 14) (Nordmann 1990). A separate reservoir for the measuring liquid allows the entire system to be used for dry machining as well.…”

Section: Measurement Of Gas Cylindersmentioning

confidence: 99%

Ultrasonic on-machine measurement for internal topographies

Pfeifer¹,

Benz²

2002

International Journal of Production Research

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The integration of metrology into the manufacturing process is becoming increasingly important for production technology. The measurement directly on machine tools is especially improving manufacturing strategies. So far, optical or tactile measuring systems are the state-of-the-art for dimensional measurements in process metrology. However, the wall thickness of structures with inner cavities cannot be measured with these systems. Owing to these de®cits, an ultrasonic system was integrated into the peripheral equipment of a machine tool. Both the extensive signal processing of the acoustic echoes and the developed software tool ·-sonic' are discussed. The aim is to show the potential of the ultrasonic in-line measurement. A practical application for the individual machining of gas cylinders and initial results are also presented.

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An Ultrasound In-Process-Measuring System to Ensure a Minimum Roundness Deviation for Rings During Turning

Stoebener

Dijkman

2007

CIRP Annals

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Durchmesser messen ist besser: Fluidisch angekoppelte Durchmessermessung bei Drehmaschinen

Cited by 6 publications

References 0 publications

In‐process measurements of wall thickness deviations during turning

In‐process measurements of wall thickness deviations during turning

Ultrasonic on-machine measurement for internal topographies

An Ultrasound In-Process-Measuring System to Ensure a Minimum Roundness Deviation for Rings During Turning

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