Bi-stability induced by motion limiting constraints on boring bar tuned mass dampers

被引：12

作者：

Iklodi, Zsolt ^{[1
]}

Barton, David A. W. ^{[2
]}

Dombovari, Zoltan ^{[1
]}

机构：

[1] Budapest Univ Technol & Econ, Dept Appl Mech, MTA BME Lendulet Machine Tool Vibrat Res Grp, H-1521 Budapest, Hungary

[2] Univ Bristol, Dept Engn Math, Bristol, Avon, England

来源：

JOURNAL OF SOUND AND VIBRATION | 2022年 / 517卷

关键词：

Chatter; Tuned mass damper; Piecewise-smooth; Impact; Fly-over; Continuation; CHATTER; VIBRATION; SUPPRESSION; STICKING; DESIGN;

D O I：

10.1016/j.jsv.2021.116538

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper investigates the effect of displacement constraints on the attenuation performance of tuned mass dampers (TMDs) used in boring and turning applications. A simplified piecewise-smooth mechanical model is investigated through time domain simulations and hybrid periodic orbit continuation, first under harmonic excitation, then under regenerative cutting load. A quasi-frequency response function is derived for impacting TMDs through composition of different families of period-1 orbits, then an acceptability map for turning is formulated based on the appearance of cutting-edge contact-loss and fly-over events. The bi-stable domain boundaries are determined through two parameter continuation of contact-loss grazing events. It is shown that in both cases arising rigid body collisions can significantly hinder TMD damping performance and lead to resonance problems or machine tool chatter.

引用

页数：11

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