Vibration Characteristics of Heavy-Duty CNC Machine Tool-Foundation Systems
Joint Authors
Liu, Zhifeng
Tian, Yang
Shu, Qilin
Ji, Yujie
Source
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-09-25
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
Vibration characteristics of heavy CNC machine tools are directly affected by their foundations.
To analyze vibrations of heavy CNC machine tools caused by internal and external loads, a system dynamics model of a rigid-flexible coupled heavy-duty CNC machine tool-foundation system was established based on the multibody transfer matrix method.
Since joint surfaces can seriously affect the accuracy of system mechanics models, the substructure synthesis method was first used to establish a dynamic model of the joint surface.
The frequency response function was then used to identify model parameters.
Moreover, to improve the accuracy of parameter identification of the joint surface, a residual frequency compensation function was used to reconstruct the frequency response function.
Finally, the multibody system model was implemented by combining surface elements.
To verify the system dynamics model, an experimental model of the heavy-duty machine-foundation system was built, taking into consideration joint surface factors, and the theoretical model was validated by comparing theoretical, simulation, and experimental results.
Using the theoretical model, the influence of different forms of concrete foundations, materials, and soil properties on the vibration characteristics of heavy-duty CNC machine tools was analyzed, thus providing a theoretical basis for optimizing and improving CNC machine tools.
American Psychological Association (APA)
Tian, Yang& Shu, Qilin& Liu, Zhifeng& Ji, Yujie. 2018. Vibration Characteristics of Heavy-Duty CNC Machine Tool-Foundation Systems. Shock and Vibration،Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1215273
Modern Language Association (MLA)
Tian, Yang…[et al.]. Vibration Characteristics of Heavy-Duty CNC Machine Tool-Foundation Systems. Shock and Vibration No. 2018 (2018), pp.1-12.
https://search.emarefa.net/detail/BIM-1215273
American Medical Association (AMA)
Tian, Yang& Shu, Qilin& Liu, Zhifeng& Ji, Yujie. Vibration Characteristics of Heavy-Duty CNC Machine Tool-Foundation Systems. Shock and Vibration. 2018. Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1215273
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1215273