Ultrasonically assisted drilling of aerospace CFRP/Ti stacks

被引：23

作者：

Onawumi, Peace Y. ^{[1
]}

Roy, Anish ^{[1
]}

Silberschmidt, Vadim V. ^{[1
]}

Merson, Eleanor ^{[2
]}

机构：

[1] Loughborough Univ, Wolfson Sch Mech Elect & Mfg Engn, Loughborough LE11 3TU, Leics, England

[2] Sandvik AB, Sandvik Coromant, Sheffield S60 5BJ, S Yorkshire, England

来源：

8TH CIRP CONFERENCE ON HIGH PERFORMANCE CUTTING (HPC 2018) | 2018年 / 77卷

关键词：

Drilling; Ultrasonically assisted drilling; Conventional drilling; CFRP/Ti stack; Hole quality; Thrust force and torque; COMPOSITE;

D O I：

10.1016/j.procir.2018.09.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Structural application involving aerospace stacks consisting of carbon-fiber-reinforced plastics (CFRP) and metals (such as aluminium and titanium) are characterized by their superior mechanical properties and relative ease of design. In many of such applications, drilling is required for hole making to facilitate fasteners for assembly. However, drilling with conventional methods pose several well-documented challenges including a requirement of an additional step for de-burring, increased tool wear, damage in the composite phase etc. Ultrasonically assisted drilling (UAD) is a hybrid machining technique, which has proven to enhance drilling quality in hard-to-machine materials. In this paper, UAD of stacks is implemented demonstrating significant improvement in hole quality produced in aerospace CFRP/Ti study with reduced drilling forces and energy spent. (C) 2018 The Authors. Published by Elsevier Ltd.

引用

页码：383 / 386

页数：4

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