Time-varying coupled vibration analysis of ball screw feed system

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

According to the vibration characteristics of the ball screw feed system, a hybrid modelling method is proposed to study its dynamic performance. The ball screw is modelled partially as a continuous body and the remaining components are considered as lumped mass bodies. The axial, torsional, lateral and bending vibration models of the ball-screw carriage system were established via the Rayleigh-Ritz series method based on the Timoshenko beam assumption and the energy variation principle. The established models present several coupling factors between the various vibrations of the ball screw.

Numerical simulations were conducted to analyse the natural frequency of the ball-screw system and the time-varying dynamic characteristics of the ball-screw system.
In addition, the vibration responses and modes at different carriage positions are obtained. It is shown that the change in the carriage position has a significant influence on the axial vibration, whereas it has less effect on the torsional modes, which indicates that the proposed hybrid model has the capability to predict the vibration characteristics of the feed system accurately. The results also provide an important basis for the further study of in-machining monitoring and quality control.
Original languageEnglish
Title of host publicationSixteenth International Conference on Condition Monitoring and Asset Management (CM 2019)
PublisherBritish Institute of Non-Destructive Testing
Volume1
ISBN (Print)9781510889774
Publication statusPublished - 1 Aug 2019
EventSixteenth International Conference on Condition Monitoring and Asset Management - Glasgow, United Kingdom
Duration: 25 Jun 201927 Jun 2019
Conference number: 16
https://www.bindt.org/events/CM2019/ (Conference website. )

Conference

ConferenceSixteenth International Conference on Condition Monitoring and Asset Management
Abbreviated titleCM 2019
CountryUnited Kingdom
CityGlasgow
Period25/06/1927/06/19
Internet address

Fingerprint

Ball screws
Vibration analysis
Quality control
Natural frequencies
Machining
Monitoring
Computer simulation

Cite this

Wu, Q., Gu, F., & Ball, A. (2019). Time-varying coupled vibration analysis of ball screw feed system. In Sixteenth International Conference on Condition Monitoring and Asset Management (CM 2019) (Vol. 1). [127] British Institute of Non-Destructive Testing.
Wu, Qin ; Gu, Fengshou ; Ball, Andrew. / Time-varying coupled vibration analysis of ball screw feed system. Sixteenth International Conference on Condition Monitoring and Asset Management (CM 2019) . Vol. 1 British Institute of Non-Destructive Testing, 2019.
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Wu, Q, Gu, F & Ball, A 2019, Time-varying coupled vibration analysis of ball screw feed system. in Sixteenth International Conference on Condition Monitoring and Asset Management (CM 2019) . vol. 1, 127, British Institute of Non-Destructive Testing, Sixteenth International Conference on Condition Monitoring and Asset Management, Glasgow, United Kingdom, 25/06/19.

Time-varying coupled vibration analysis of ball screw feed system. / Wu, Qin; Gu, Fengshou; Ball, Andrew.

Sixteenth International Conference on Condition Monitoring and Asset Management (CM 2019) . Vol. 1 British Institute of Non-Destructive Testing, 2019. 127.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Wu Q, Gu F, Ball A. Time-varying coupled vibration analysis of ball screw feed system. In Sixteenth International Conference on Condition Monitoring and Asset Management (CM 2019) . Vol. 1. British Institute of Non-Destructive Testing. 2019. 127