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Burr formation in short hole drilling by ultrasonic assistance

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Abstract

Both in the industry and the service sector, the three aspects of time, costs and quality are among the most important characteristics in the manufacturing. This implies time as well as the costs incurred should be minimalized while preserving the high quality of a product. On top of that, the quality should be high as well. Burr formation has a negative influence on all of these three aspects. In most cases, formed burrs require additional remachining in most cases, leading to higher costs as well. In addition, the quality of the component is also impaired by burr formation.This paper examines to what extent short hole drilling by ultrasonic assistance can reduce burr formation. In order to assess the influence of ultrasound, the vibration amplitude is measured with and without load, depending on the excitation power. Based on these findings, the tests are carried out measuring exit burrs and evaluating them. Results show that the smallest burr values were measured without excitation, yet burr formation tends to decrease again with growing power.

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Acknowledgments

This paper is based on the research project HE 1656/155-1, which is kindly supported by the German Research Foundation (DFG).

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Authors and Affiliations

  1. Institute for Machine Tools (IfW), University of Stuttgart, Holzgartenstraße 17, 70174, Stuttgart, Germany

    Uwe Heisel, Thomas Stehle, Michael Schaal & Rocco Eisseler

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  1. Uwe Heisel
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  2. Thomas Stehle
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  3. Michael Schaal
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  4. Rocco Eisseler
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Correspondence to Uwe Heisel.

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Heisel, U., Stehle, T., Schaal, M. et al. Burr formation in short hole drilling by ultrasonic assistance. Prod. Eng. Res. Devel. 8, 1–6 (2014). https://doi.org/10.1007/s11740-013-0493-z

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  • DOI: https://doi.org/10.1007/s11740-013-0493-z

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