In-process monitoring and analysis of dynamic disturbances in boring and trepanning association (BTA) deep drilling

• Autorzy: Steininger A. , Bleicher F.

Identyfikatory

DOI

10.5604/01.3001.0012.7632

• Języki publikacji: EN

Abstrakty

EN

This paper presents an approach to monitor the dynamic disturbances of a BTA (boring and trepanning association) deep drilling system. High length to diameter ratios are the key characteristic of deep drilling processes compared to conventional drilling applications. Since length to diameter ratios of up to 150 for slender tool-boring-bar assemblies are common, the deep drilling process is sensitive to dynamic disturbances such as chatter and whirling vibrations. Whirling vibrations usually effect the shape of the hole and cause holes with several lobes. To gain a deeper understanding of the dynamic state of the process, a sensor application has been developed and was tested in practice. Experimental investigations on BTA deep drilling with continuous multi-sensory monitoring were conducted. The used setup allowed the determination of the frequencies of chatter and whirling vibrations during the cutting process by analysing the logged data using a continuous short-time Fourier transformation (STFT).

Słowa kluczowe

EN

deep drilling process; chatter; whirling vibrations; multi-sensory monitoring

• Wydawca: Wydawnictwo Wrocławskiej Rady FSNT NOT
• Czasopismo: Journal of Machine Engineering
• Rocznik: 2018
• Tom: Vol. 18, No. 4
• Strony: 47--59
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Steininger A.

• TU Wien, Institute for Production Engineering and Laser Technology, Wien, Austria

autor

Bleicher F.

• TU Wien, Institute for Production Engineering and Laser Technology, Wien, Austria

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).