Product Information
- Author
- Herausgeber FKM
- EAN
- 4250697510504
- Edition
- 2004
- Delivery time
- next business day
Wellenoberflächenstrukturen aus der zeitgemäßen und zukünftigen Fertigung und deren Einfluss auf die
140.00 EUR *
Gesamtpreis: 140.00 EUR *
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130.84 EUR excl. VAT
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Description
Wellenoberflächenstrukturen aus der zeitgemäßen und zukünftigen Fertigung und deren Einfluss auf die
FKM 2004
Issue number 279
Final report
Abstract:
The aim of the research project was to investigate the suitability of shaft surfaces produced using alternative manufacturing processes as sealing ring mating surfaces and to characterize the surfaces. The longitudinal turning of hard and soft surfaces, grooving, tangential turning, longitudinal turning with wiper cutting edge geometry and the influence of tool wear and vibrations of the production machine were investigated. The suitability of the different shaft surfaces was assessed on the one hand on the basis of the shaft's feed value. On the other hand, the tightness was determined in practical operation. The topography of the shaft surfaces was measured and analyzed in three dimensions. The approx. 200 shaft surfaces manufactured for the research project at the Fraunhofer IPT in Aachen are all suitable for sealing. There were no increased and therefore critical pumping values. The sealing points remained tight in the 240 and 1000 hours of leak tests with mineral oil. No sealing point leaked. The wear of the steel shaft surfaces and the sealing rings was low. Almost without exception, the shaft surfaces exhibit a strongly deviating roughness profile and very different roughness parameters in the circumferential direction compared to the usual measurement direction in the axial direction. roughness parameters. In the circumferential direction, the turned surfaces are much smoother. One possible reason for the frequent complaints in practice about leakage when using turned shaft surfaces is the examination of a manually applied microstructure. A hard turned shaft surface that was found to be tight or suitable was polished to create a scratch structure a few nanometers deep under :
Issue number 279
Final report
Abstract:
The aim of the research project was to investigate the suitability of shaft surfaces produced using alternative manufacturing processes as sealing ring mating surfaces and to characterize the surfaces. The longitudinal turning of hard and soft surfaces, grooving, tangential turning, longitudinal turning with wiper cutting edge geometry and the influence of tool wear and vibrations of the production machine were investigated. The suitability of the different shaft surfaces was assessed on the one hand on the basis of the shaft's feed value. On the other hand, the tightness was determined in practical operation. The topography of the shaft surfaces was measured and analyzed in three dimensions. The approx. 200 shaft surfaces manufactured for the research project at the Fraunhofer IPT in Aachen are all suitable for sealing. There were no increased and therefore critical pumping values. The sealing points remained tight in the 240 and 1000 hours of leak tests with mineral oil. No sealing point leaked. The wear of the steel shaft surfaces and the sealing rings was low. Almost without exception, the shaft surfaces exhibit a strongly deviating roughness profile and very different roughness parameters in the circumferential direction compared to the usual measurement direction in the axial direction. roughness parameters. In the circumferential direction, the turned surfaces are much smoother. One possible reason for the frequent complaints in practice about leakage when using turned shaft surfaces is the examination of a manually applied microstructure. A hard turned shaft surface that was found to be tight or suitable was polished to create a scratch structure a few nanometers deep under :
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