Boring and face grooving using micro turning tools

Micro turning tools with outside diameters of 25–50 μm were fabricated using cemented tungsten carbide by electrical discharge machining and used for micro boring and micro face grooving. The new process used could improve the hole circularity down to 0.25 μm and provide smooth-finished surfaces. Fr...

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Bibliographic Details
Published in:CIRP annals 2011, Vol.60 (1), p.81-84
Main Authors: Egashira, Kai, Iwata, Mitsuo, Nomura, Yosuke
Format: Article
Language:English
Subjects:
Applied sciences
Boring
Breakage
Cemented carbides
Cutting
Electric discharge machining
Exact sciences and technology
Feed rate
Grooving
Industrial metrology. Testing
Machining. Machinability
Mechanical engineering. Machine design
Metals. Metallurgy
Micro tool
Production techniques
Turning
Turning (machining)
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Summary:Micro turning tools with outside diameters of 25–50 μm were fabricated using cemented tungsten carbide by electrical discharge machining and used for micro boring and micro face grooving. The new process used could improve the hole circularity down to 0.25 μm and provide smooth-finished surfaces. From a set of experiments, the limit depth of cut and feed rate that can prevent tool breakage were determined. Compared with previous studies, the current study paved the way for applying removing processes with micro tools to boring and face grooving.
ISSN:0007-8506
DOI:10.1016/j.cirp.2011.03.075