Analysis of dynamic characteristics of micro-drills

Yongping Gong; Kornel F. Ehmann; Cheng Lin

doi:10.1016/S0924-0136(02)00947-0

Analysis of dynamic characteristics of micro-drills

Yongping Gong, Kornel F. Ehmann^*, Cheng Lin

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Micro-drills were modeled as long twisted beams. Models for the critical speeds and the critical buckling loads were developed based on the finite element method of analysis. The effects of transverse shear, rotary inertia and gyroscopic moments were included in this analysis. The models have the capability of analyzing a wide variety of geometrical cross-sections. A computer program was developed for the calculation of the variations of the critical speeds and of the buckling loads. The effects of drill geometry, boundary condition, rotational speed, and cross-sectional area on the buckling loads and the critical speeds were analyzed.

Original language	English (US)
Pages (from-to)	16-28
Number of pages	13
Journal	Journal of Materials Processing Technology
Volume	141
Issue number	1
DOIs	https://doi.org/10.1016/S0924-0136(02)00947-0
State	Published - Oct 1 2003

Keywords

Drill motion
Geometrical cross-sections
Micro-drills

ASJC Scopus subject areas

Ceramics and Composites
Computer Science Applications
Metals and Alloys
Industrial and Manufacturing Engineering

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10.1016/S0924-0136(02)00947-0

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title = "Analysis of dynamic characteristics of micro-drills",

abstract = "Micro-drills were modeled as long twisted beams. Models for the critical speeds and the critical buckling loads were developed based on the finite element method of analysis. The effects of transverse shear, rotary inertia and gyroscopic moments were included in this analysis. The models have the capability of analyzing a wide variety of geometrical cross-sections. A computer program was developed for the calculation of the variations of the critical speeds and of the buckling loads. The effects of drill geometry, boundary condition, rotational speed, and cross-sectional area on the buckling loads and the critical speeds were analyzed.",

keywords = "Drill motion, Geometrical cross-sections, Micro-drills",

author = "Yongping Gong and Ehmann, {Kornel F.} and Cheng Lin",

note = "Funding Information: The authors gratefully acknowledge the support of the National Science Foundation under Grant number NSF DMI 98-13457 and of the NSF/DARPA funded Machine Tool Agile Manufacturing Research Institute (MTAMRI).",

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AU - Gong, Yongping

AU - Ehmann, Kornel F.

AU - Lin, Cheng

N1 - Funding Information: The authors gratefully acknowledge the support of the National Science Foundation under Grant number NSF DMI 98-13457 and of the NSF/DARPA funded Machine Tool Agile Manufacturing Research Institute (MTAMRI).

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Y1 - 2003/10/1

N2 - Micro-drills were modeled as long twisted beams. Models for the critical speeds and the critical buckling loads were developed based on the finite element method of analysis. The effects of transverse shear, rotary inertia and gyroscopic moments were included in this analysis. The models have the capability of analyzing a wide variety of geometrical cross-sections. A computer program was developed for the calculation of the variations of the critical speeds and of the buckling loads. The effects of drill geometry, boundary condition, rotational speed, and cross-sectional area on the buckling loads and the critical speeds were analyzed.

AB - Micro-drills were modeled as long twisted beams. Models for the critical speeds and the critical buckling loads were developed based on the finite element method of analysis. The effects of transverse shear, rotary inertia and gyroscopic moments were included in this analysis. The models have the capability of analyzing a wide variety of geometrical cross-sections. A computer program was developed for the calculation of the variations of the critical speeds and of the buckling loads. The effects of drill geometry, boundary condition, rotational speed, and cross-sectional area on the buckling loads and the critical speeds were analyzed.

KW - Drill motion

KW - Geometrical cross-sections

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Analysis of dynamic characteristics of micro-drills

Abstract

Keywords

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