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Dynamic analysis of the micromilling process – influence of tool vibrations on the quality of microstructures

✍ Scribed by A. Baschin; P. Kahnis; D. Biermann

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
228 KB
Volume
39
Category
Article
ISSN
0933-5137

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✦ Synopsis

Abstract

Micromilling is a suitable technique for the manufacturing of microstructured parts. The downscaling of the milling process leads to problems, which are caused by the low stability of microtools and their manufacturing. Tool vibrations and runout occur, resulting in poor surface qualities and undesirable surface location errors. The presented results of the experimental analysis include a stability diagram for the spindle speed range of n = 60,000–120,000 rpm and tool vibrations measured in the xy‐plane. Micrographs illustrate the influence of tool vibrations on the quality of the generated surface structures. In addition, the dynamic runout is characterized and its effects are discussed.

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