Lateral Vibrations in Deep Hole Drilling Due to Land Width Variation

被引：4

作者：

Volz, Marcel ^{[1
]}

Abele, Eberhard ^{[1
]}

Weigold, Matthias ^{[1
]}

机构：

[1] Inst Prod Management Technol & Machine Tools PTW, Otto Berndt Str 2, D-64287 Darmstadt, Germany

来源：

JOURNAL OF MANUFACTURING AND MATERIALS PROCESSING | 2020年 / 4卷 / 02期

关键词：

deep hole drilling; lateral vibration; land width; CHATTER VIBRATION; GUIDE PADS; FREQUENCY; QUALITY; STABILITY; DYNAMICS;

D O I：

10.3390/jmmp4020028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In drilling processes, self-excited vibrations have a negative influence on the achievable drilling qualities and tool life. Low-frequency radial vibrations are characterised by oscillating movements of the tool tip and the generation of lobed holes in drilling. This study focuses on the participation and influence of the land widths of twisted drilling tools on these vibrations. Therefore, drilling tools with different land widths and a length-to-diameter ratio of 12 are used, and different parameters, such as feed rate, cutting speed, coolant pressure, pre-hole diameter, and chuck selection, are varied in a drill-out process. The results show that the land widths have a statistically significant influence on the formation of lateral vibrations and the generation of lobed holes.

引用

页数：14

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