Publication detail

Diagnostics of Circular Sawblade Vibration by Displacement Sensors

VESELÝ, P. KOPECKÝ, Z. HEJMAL, Z. POKORNÝ, P.

English title

Diagnostics of Circular Sawblade Vibration by Displacement Sensors

Type

WoS Article

Language

en

Original abstract

The paper deals with problems of the circular sawblade vibration. In the introductory part, theoretical bases are summarized to determine the form of vibrations and critical and resonant rotational frequency. A diagnostic method is proposed for the direct measurement of amplitudes of a circular sawblade by displacement sensor with the subsequent Fast Fourier Transform (FFT) analysis. This method with the spectral analysis of a signal in the time area makes possible to determine the size and shape of vibration of a circular sawblade with respect to usability/applicability under operational conditions. Unlike standard methods, when the sawblade is excited by external sources, natural vibrations are used such as disk deformations and the dynamic unbalance of a circular sawblade, effects of chucking/gripping and machine vibration and., last but not least, the disk and sawn wood interaction.

Keywords in English

circular sawblade; critical rotational speed; resonant rotational speed; vibration; Fast Fourier Transform analysis

Released

2012-06-01

Publisher

ZAGREB UNIV, FAC FORESTRY

Location

SVETOSIMUNSKA 25, ZAGREB, HRVATSKA 10000, CROATIA

ISSN

0012-6772

Volume

63

Number

2

Pages from–to

81–86

Pages count

6

BIBTEX


@article{BUT93945,
  author="VESELÝ, P. and KOPECKÝ, Z. and HEJMAL, Z. and POKORNÝ, P.",
  title="Diagnostics of Circular Sawblade Vibration by Displacement Sensors",
  journal="Drvna Industrija",
  year="2012",
  volume="63",
  number="2",
  pages="81--86",
  issn="0012-6772"
}