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The impact of process parameters on surface roughness and bushing in friction drilling
IOP SciNotes Pub Date : 2020-11-26 , DOI: 10.1088/2633-1357/abc968
Narayana Moorthy N 1 , T C Kanish 2
Affiliation  

Friction drilling is considered a non-traditional hole making method in which the workpiece is penetrated by a conical rotating instrument and a bush is formed without producing chips in a single cycle. In the present work, using a CNC milling machine, the friction drilling process was carried out on Be-Cu C17200 plate material. The process parameters such as spindle speed and feed rate were performed over three levels of workpiece material thickness. Surface roughness, bush length, and the thrust force of the drilled holes were analysed following drilling. For optimal surface roughness and bush formation, it is noted that spindle speed and feed rate play a significant role in friction drilling. Higher feed rate and thrust force have a direct effect on greater roughness of the surface and increased bush length. Better bushing and surface roughness are given by an increase in spindle speed.



中文翻译:

工艺参数对摩擦钻削表面粗糙度和衬套的影响

摩擦钻孔被认为是一种非传统的打孔方法,在该方法中,用圆锥形旋转工具穿透工件,并在不产生单个切屑的情况下形成衬套。在当前工作中,使用CNC铣床对Be-Cu C17200板材进行了摩擦钻孔工艺。在三个级别的工件材料厚度上执行诸如主轴速度和进给速度之类的工艺参数。钻孔后分析表面粗糙度,衬套长度和钻孔的推力。为了获得最佳的表面粗糙度和衬套的形成,应注意主轴转速和进给速度在摩擦钻孔中起着重要作用。较高的进给速度和推力直接影响较大的表面粗糙度和增加的衬套长度。

更新日期:2020-11-26
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