RESEARCH PAPER
Experimental verification of the deep hole boring bar model
1
Institute of Machine Tools and Production Engineering, Faculty of Mechanical Engineering, Lodz University of Technology, ul. Stefanowskiego 1/15, 90-924 Lodz, Poland
Publication date: 2021-03-31
Eksploatacja i Niezawodność – Maintenance and Reliability 2021;23(1):55-62
HIGHLIGHTS
- In the article theoretical and experimental tests of deep hole boring bar were performed.
- During tests of the dynamic properties divergency in the results values was below 8%.
- During tests of the static properties divergency in the results values was below 3%.
- High convergence of the results of numerical and experimental research was obtained.
KEYWORDS
ABSTRACT
The article presents the results of the experimental verification of the deep hole boring bar
tool model. The aim of the work was to obtain a verified boring bar tool model, which in
further scientific research will be a starting point for creating a prototype of a tool with a new
design, in which dynamic properties will be improved. The research was divided into two
stages. In the first stage, modal studies of the model and the real object were carried out. The
obtained discrepancy between numerical and experimental results below 8% allows to state
that the model is characterized by dynamic properties occurring in the real boring bar. In the
second stage of the research, static tests were carried out. The object was loaded with forces
of 98.6 N, 195.0 N, 293.8 N. The obtained slight discrepancy in the results of numerical and
experimental tests below 3% allows to state that the model reflects the static properties of
the real boring bar. The high convergence of the theoretical and experimental results allows
for the conclusion that the numerical model has been verified positively.
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| eISSN: | 2956-3860 |
| ISSN: | 1507-2711 |
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