Study on Cutting of Micro Channel by End Mill with Small Diameter

Koichi Okuda; Tatsunori Tsuneyoshi; Wei Li; Hideki Shibahara

doi:10.4028/www.scientific.net/KEM.407-408.351

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 407-408Study on Cutting of Micro Channel by End Mill with...

Study on Cutting of Micro Channel by End Mill with Small Diameter

Abstract:

This paper describes the cutting characteristics and the shape error of groove when PMMA and PTFE are finished by the end mill with small diameter. Direct cutting experiments of micro channel by a miniature end mill were carried out in order to consider the possibilities of the fabrication of micro devices by machining. As the results, it was found that the surface roughness of 1 μm Rz or less was obtained and the width of channel became less than the tool diameter and the deflection of the end mill caused by the cutting force affected the shape error of the groove.

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Periodical:

Key Engineering Materials (Volumes 407-408)

Pages:

351-354

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.407-408.351

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Online since:

February 2009

Authors:

Koichi Okuda, Tatsunori Tsuneyoshi, Wei Li, Hideki Shibahara

Keywords:

Machining Error, Micro End Mill, Micro-Channel, Poly(methyl methacrylate) (PMMA), PTFE, Surface Roughness (SR)

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References

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[5] [10] [15] [20] [25] [30] [35] [40] [0] 5 10 15 20 25 Cutting force Displacement Cutting force (N) Displacement (µm) Feed rate (µm/rev/tooth) Spindle speed : 20, 000 min-1, Depth of cut : 100 µm Fig. 9 Effect of feed rate on cutting force and displacement.

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