A dynamic model of cylindrical plunge grinding process for chatter phenomena investigation

被引:7
作者
Lajmert, Pawel [1 ]
Sikora, Malgorzata [1 ]
Ostrowski, Dariusz [1 ]
机构
[1] Lodz Univ Technol, Inst Machine Tools & Prod Engn, Lodz, Poland
来源
INTERNATIONAL CONFERENCE ON ENGINEERING VIBRATION (ICOEV 2017) | 2018年 / 148卷
关键词
STABILITY; SYSTEM;
D O I
10.1051/matecconf/201814809004
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In the paper, chatter vibrations in the cylindrical plunge grinding process are investigated. An improved model of the grinding process was developed which is able to simulate self-excited vibrations due to a regenerative effect on the workpiece and the grinding wheel surface. The model includes a finite-element model of the workpiece, two degrees of freedom model of the grinding wheel headstock and a model of wheel-workpiece geometrical interferences. The model allows to studying the influence of different factors, i.e. workpiece and machine parameters as well as grinding conditions on the stability limit and a chatter vibration growth rate. At the end, simulation results are shown and compared with exemplified real grinding results.
引用
收藏
页数:4
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